['Air Programs']
['Hazardous Air Pollutants']
12/23/2024
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Table 1 to Subpart SSSSS of Part 63 - Emission Limits
As stated in §63.9788, you must comply with the emission limits for affected sources in the following table:
| For . . . | You must meet the following emission limits . . . |
|---|---|
| 1. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | As specified in items 2 through 9 of this table. |
| 2. Continuous process units that are controlled with a thermal or catalytic oxidizer | a. The 3-hour block average THC concentration must not exceed 20 parts per million by volume, dry basis (ppmvd), corrected to 18 percent oxygen, at the outlet of the control device; or b. The 3-hour block average THC mass emissions rate must be reduced by at least 95 percent. |
| 3. Continuous process units that are equipped with a control device other than a thermal or catalytic oxidizer | a. The 3-hour block average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the control device; or b. The 3-hour block average THC mass emissions rate must be reduced by at least 95 percent. |
| 4. Continuous process units that use process changes to reduce organic HAP emissions | The 3-hour block average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the process gas stream. |
| 5. Continuous kilns that are not equipped with a control device | The 3-hour block average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the process gas stream. |
| 6. Batch process units that are controlled with a thermal or catalytic oxidizer | a. The 2-run block average THC concentration for the 3-hour peak emissions period must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the control device; or b. The 2-run block average THC mass emissions rate for the 3-hour peak emissions period must be reduced by at least 95 percent. |
| 7. Batch process units that are equipped with a control device other than a thermal or catalytic oxidizer | a. The 2-run block average THC concentration for the 3-hour peak emissions period must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the control device; or b. The 2-run block average THC mass emissions rate for the 3-hour peak emissions period must be reduced by at least 95 percent. |
| 8. Batch process units that use process changes to reduce organic HAP emissions | The 2-run block average THC concentration for the 3-hour peak emissions period must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the process gas stream. |
| 9. Batch process kilns that are not equipped with a control device | The 2-run block average THC concentration for the 3-hour peak emissions period must not exceed 20 ppmvd, corrected to 18 percent oxygen, at the outlet of the process gas stream. |
| 10. Each new continuous kiln that is used to produce clay refractory products | a. The 3-hour block average HF emissions must not exceed 0.019 kilograms per megagram (kg/Mg) (0.038 pounds per ton (lb/ton)) of uncalcined clay processed, OR the 3-hour block average HF mass emissions rate must be reduced by at least 90 percent; and b. The 3-hour block average HCl emissions must not exceed 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed, OR the 3-hour block average HCl mass emissions rate must be reduced by at least 30 percent; and c. The 3-hour block average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr); and d. The 3-hour block average Hg concentration must not exceed 6.1 micrograms per dry standard cubic meter (µg/dscm), corrected to 18 percent oxygen, at the outlet of the control device or the process gas stream. |
| 11. Each new batch process kiln that is used to produce clay refractory products | a. The 2-run block average HF mass emissions rate for the 3-hour peak emissions period must be reduced by at least 90 percent; and b. The 2-run block average HCl mass emissions rate for the 3-hour peak emissions period must be reduced by at least 30 percent; and c. The 2-run block average PM emissions for the 3-hour peak emissions period must not exceed 1.4 kg/Mg (3.1 lb/hr); and d. The 2-run block average Hg concentration for the 3-hour peak emissions period must not exceed 6.1 µg/dscm, corrected to 18 percent oxygen, at the outlet of the control device or the process gas stream. |
| 12. Each existing continuous kiln that is used to produce clay refractory products on and after November 20, 2022 | a. The 3-hour block average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr); and b. The 3-hour block average Hg concentration must not exceed 18 µg/dscm, corrected to 18 percent oxygen, at the outlet of the control device or the process gas stream. |
| 13. Each existing batch kiln that is used to produce clay refractory products on and after November 20, 2022 | a. The 2-run block average PM emissions for the 3-hour peak emissions period must not exceed 4.3 kg/Mg (9.5 lb/hr); and b. The 2-run block average Hg concentration for the 3-hour peak emissions period must not exceed 18 µg/dscm, corrected to 18 percent oxygen, at the outlet of the control device or the process gas stream. |
[86 FR 66069, Nov. 19, 2021]
Table 2 to Subpart SSSSS of Part 63 - Operating Limits
As stated in §63.9788, you must comply with the operating limits for affected sources in the following table:
| For . . . | You must . . . |
|---|---|
| 1. Each affected source listed in Table 1 to this subpart | a. Operate all affected sources according to the requirements to this subpart on and after the date on which the initial performance test is conducted or required to be conducted, whichever date is earlier; and b. Capture emissions and vent them through a closed system; and c. Operate each control device that is required to comply with this subpart on each affected source during all periods that the source is operating, except where specified in §63.9792(e), item 2 of this table, item 5 of Table 3 to this subpart, item 13 of Table 4 to this subpart, and item 6 of Table 9 to this subpart for THC control devices on continuous kilns used to manufacture refractory products that use organic HAP; and d. Record all operating parameters specified in Table 8 to this subpart for the affected source; and e. Prepare and implement a written OM&M plan as specified in §63.9792(d). |
| 2. Each affected continuous kiln used to manufacture refractory products that use organic HAP that is equipped with an emission control device for THC | a. Receive approval from the Administrator before taking the control device on the affected kiln out of service for scheduled maintenance, as specified in §63.9792(e); and b. Before May 19, 2022, minimize HAP emissions from the affected kiln during all periods of scheduled maintenance of the kiln control device when the kiln is operating and the control device is out of service; on and after May 19, 2022, you must minimize HAP emissions during the period when the kiln is operating and the control device is out of service by complying with the applicable standard in Table 3 to this subpart; and c. Minimize the duration of all periods of scheduled maintenance of the kiln control device when the kiln is operating and the control device is out of service. On and after May 19, 2022, the total time during which the kiln is operating and the control device is out of service for the each year on a 12-month rolling basis must not exceed 750 hours. |
| 3. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | Satisfy the applicable operating limits specified in items 4 through 9 of this table. |
| 4. Each affected continuous process unit | Maintain the 3-hour block average organic HAP processing rate (pounds per hour) at or below the maximum organic HAP processing rate established during the most recent performance test. |
| 5. Continuous process units that are equipped with a thermal oxidizer | Maintain the 3-hour block average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature for the oxidizer established during the most recent performance test. |
| 6. Continuous process units that are equipped with a catalytic oxidizer | a. Maintain the 3-hour block average operating temperature at the inlet of the catalyst bed of the oxidizer at or above the minimum allowable operating temperature for the oxidizer established during the most recent performance test; and b. Check the activity level of the catalyst at least every 12 months. |
| 7. Each affected batch process unit | For each batch cycle, maintain the organic HAP processing rate (pounds per batch) at or below the maximum organic HAP processing rate established during the most recent performance test. |
| 8. Batch process units that are equipped with a thermal oxidizer | a. From the start of each batch cycle until 3 hours have passed since the process unit reached maximum temperature, maintain the hourly average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature established for the corresponding period during the most recent performance test, as determined according to item 11 of Table 4 to this subpart; and b. For each subsequent hour of the batch cycle, maintain the hourly average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature established for the corresponding hour during the most recent performance test, as specified in item 13 of Table 4 to this subpart. |
| 9. Batch process units that are equipped with a catalytic oxidizer | a. From the start of each batch cycle until 3 hours have passed since the process unit reached maximum temperature, maintain the hourly average operating temperature at the inlet of the catalyst bed at or above the minimum allowable operating temperature established for the corresponding period during the most recent performance test, as determined according to item 12 of Table 4 to this subpart; and b. For each subsequent hour of the batch cycle, maintain the hourly average operating temperature at the inlet of the catalyst bed at or above the minimum allowable operating temperature established for the corresponding hour during the most recent performance test, as specified in item 13 of Table 4 to this subpart; and c. Check the activity level of the catalyst at least every 12 months. |
| 10. Each new kiln that is used to process clay refractory products | Satisfy the applicable operating limits specified in items 11 through 13 of this table. |
| 11. Each affected kiln that is equipped with a DLA | a. Maintain the 3-hour block average pressure drop across the DLA at or above the minimum levels established during the most recent performance test; and b. Maintain free-flowing limestone in the feed hopper, silo, and DLA at all times; and c. Maintain the limestone feeder at or above the level established during the most recent performance test; and d. Use the same grade of limestone from the same source as was used during the most recent performance test and maintain records of the source and type of limestone used; and e. Maintain no VE from the stack. |
| 12. Each affected kiln that is equipped with a DIFF or DLS/FF | a. Initiate corrective action within 1 hour of a bag leak detection system alarm and complete corrective actions in accordance with the OM&M plan; and b. Verify at least once each 8-hour shift that lime is free-flowing by means of a visual check, checking the output of a load cell, carrier gas/lime flow indicator, or carrier gas pressure drop measurement system; and c. Record the lime feeder setting daily to verify that the feeder setting is at or above the level established during the most recent performance test. |
| 13. Each affected kiln that is equipped with a wet scrubber | a. Maintain the 3-hour block average pressure drop across the scrubber, liquid pH, and liquid flow rate at or above the minimum levels established during the most recent performance test; and b. If chemicals are added to the scrubber liquid, maintain the 3-hour block average chemical feed rate at or above the minimum chemical feed rate established during the most recent performance test. |
| 14. Each new and existing kiln used to process clay refractory products that is equipped with an activated carbon injection system | Maintain the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated. |
| 15. Each new and existing kiln that is used to process clay refractory products with no add-on control and each existing kiln that is equipped with a DLA | Maintain no VE from the stack. |
| 16. Each existing kiln used to process clay refractory products that is equipped with a FF | Initiate corrective action within 1 hour of a bag leak detection system alarm and complete corrective actions in accordance with the OM&M plan OR maintain no VE from the stack. |
| 17. Each existing kiln used to process clay refractory products that is equipped with a wet scrubber | Maintain the 3-hour block average pressure drop across the scrubber and liquid flow rate at or above the minimum levels established during the most recent performance test. |
[86 FR 66070, Nov. 19, 2021]
Table 3 to Subpart SSSSS of Part 63 - Work Practice Standards
As stated in §63.9788, you must comply with the operating limits for affected sources in the following table:
| For . . . | You must . . . | According to one of the following requirements . . . |
|---|---|---|
| 1. Each basket or container that is used for holding fired refractory shapes in an existing shape preheater and autoclave during the pitch impregnation process | a. Control POM emissions from any affected shape preheater | i. At least every 10 preheating cycles, clean the residual pitch from the surfaces of the basket or container by abrasive blasting prior to placing the basket or container in the affected shape preheater; or ii. At least every 10 preheating cycles, subject the basket or container to a thermal process cycle that meets or exceeds the operating temperature and cycle time of the affected preheater, AND is conducted in a process unit that is exhausted to a thermal or catalytic oxidizer that is comparable to the control device used on an affected defumer or coking oven; or iii. Capture emissions from the affected shape preheater and vent them to the control device that is used to control emissions from an affected defumer or coking oven, or to a comparable thermal or catalytic oxidizer. |
| 2. Each new or existing pitch working tank | Control POM emissions | Capture emissions from the affected pitch working tank and vent them to the control device that is used to control emissions from an affected defumer or coking oven, OR to a comparable thermal or catalytic oxidizer. |
| 3. Each new or existing chromium refractory products kiln | Minimize fuel-based HAP emissions | Before May 19, 2022, use natural gas, or equivalent, as the kiln fuel, except during periods of natural gas curtailment or supply interruption, as defined in §63.9824. On and after May 19, 2022, use natural gas, or equivalent, as the kiln fuel at all times. |
| 4. Each existing clay refractory products kiln | Minimize fuel-based HAP emissions | Before May 19, 2022, use natural gas, or equivalent, as the kiln fuel, except during periods of natural gas curtailment or supply interruption, as defined in §63.9824. On and after May 19, 2022, use natural gas, or equivalent, as the kiln fuel at all times. |
| 5. Each affected continuous kiln used to manufacture refractory products that use organic HAP that is equipped with an emission control device for THC with Administrator approval to take the control device out of service for scheduled maintenance, as specified in §63.9792(e) | Minimize HAP emissions | i. Before May 19, 2022, minimize HAP emissions from the affected kiln during all periods of scheduled maintenance of the kiln control device when the kiln is operating and the control device is out of service consistent with your OM&M plan and minimize the time period during which the kiln is operating and the control device is out of service; or ii. On and after May 19, 2022, minimize HAP emissions during the period when the kiln is operating and the control device is out of service by maintaining the organic HAP processing rate (lb/hr) below the average organic HAP processing rate based on actual production on a 6-month rolling basis (not to include periods of kiln shut down) or below the organic HAP processing rate (lb/hr) that coincides with the lowest hour of the most recent 3-hour performance test, whichever is lower); and minimize the time period during which the kiln is operating and the control device is out of service, not to exceed 750 hours for the year (on a 12-month rolling basis). |
| 6. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP, on and after Novermber 19, 2021 | Minimize fuel-based HAP emissions | Use natural gas, or equivalent, as the kiln fuel, at all times. |
Table 4 to Subpart SSSSS to Part 63 - Requirements for Performance Tests
As stated in §63.9800, you must comply with the requirements for performance tests for affected sources in the following table:
| For . . . | You must . . . | Using . . . | According to the following requirements . . . |
|---|---|---|---|
| 1. Each affected source listed in Table 1 to this subpart | a. Conduct performance tests | i. The requirements of the general provisions in subpart A of this part and the requirements to this subpart | (1) Record the date of the test; and (2) Identify the emission source that is tested; and (3) Collect and record the corresponding operating parameter and emission test data listed in this table for each run of the performance test; and (4) Repeat the performance test at least every 5 years; and (5) Repeat the performance test before changing the parameter value for any operating limit specified in your OM&M plan; and (6) If complying with the THC concentration or THC percentage reduction limits specified in items 2 through 9 of Table 1 to this subpart, repeat the performance test under the conditions specified in items 2.a.2. and 2.a.3. of this table; and (7) If complying with the emission limits for new clay refractory products kilns specified in items 10 and 11 of Table 1 to this subpart, repeat the performance test under the conditions specified in items 14.a.i.4. and 17.a.i.4. of this table. |
| b. Select the locations of sampling ports and the number of traverse points | i. Method 1 or 1A of 40 CFR part 60, appendix A-1 | (1) To demonstrate compliance with the percentage reduction limits specified in items 2.b., 3.b., 6.b., 7.b., 10, and 11 of Table 1 to this subpart, locate sampling sites at the inlet of the control device and at either the outlet of the control device or at the stack prior to any releases to the atmosphere; and (2) To demonstrate compliance with any other emission limit specified in Table 1 to this subpart, locate all sampling sites at the outlet of the control device or at the stack prior to any releases to the atmosphere. | |
| c. Determine gas velocity and volumetric flow rate | Method 2, 2A, 2C, 2D, 2F, or 2G of 40 CFR part 60, appendix A-1 and A-2 | Measure gas velocities and volumetric flow rates at 1-hour intervals throughout each test run. | |
| d. Conduct gas molecular weight analysis | i. Method 3, 3A, or 3B of 40 CFR part 60, appendix A-2; or ii. ASME PTC 19.10-1981—Part 10 a | As specified in the applicable test method. You may use the manual procedures (but not instrumental procedures) of ASME PTC 19.10-1981—Part 10 a as an alternative to EPA Method 3B. | |
| e. Measure gas moisture content | Method 4 of 40 CFR part 60, appendix A-3 | As specified in the applicable test method. | |
| 2. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | a. Conduct performance tests | (1) Conduct the performance test while the source is operating at the maximum organic HAP processing rate, as defined in §63.9824, reasonably expected to occur; and (2) Repeat the performance test before starting production of any product for which the organic HAP processing rate is likely to exceed the maximum organic HAP processing rate established during the most recent performance test by more than 10 percent, as specified in §63.9798(c); and (3) Repeat the performance test on any affected uncontrolled kiln following process changes ( e.g., shorter curing oven cycle time) that could increase organic HAP emissions from the affected kiln, as specified in §63.9798(d). | |
| b. Satisfy the applicable requirements listed in items 3 through 13 of this table | |||
| 3. Each affected continuous process unit | a. Perform a minimum of 3 test runs | The appropriate test methods specified in items 1, 4, and 5 of this table | Each test run must be at least 1 hour in duration. |
| b. Establish the operating limit for the maximum organic HAP processing rate | i. Method 311 of 40 CFR part 63, appendix A, OR material safety data sheets (MSDS), OR product labels to determine the mass fraction of organic HAP in each resin, binder, or additive; and ii. Product formulation data that specify the mass fraction of each resin, binder, and additive in the products that are processed during the performance test; and iii. Process feed rate data (tons per hour) | (1) Calculate and record the organic HAP content of all refractory shapes that are processed during the performance test, based on the mass fraction of organic HAP in the resins, binders, or additives; the mass fraction of each resin, binder, or additive, in the product; and the process feed rate; and (2) Calculate and record the organic HAP processing rate (pounds per hour) for each test run; and (3) Calculate and record the maximum organic HAP processing rate as the average of the organic HAP processing rates for the three test runs. | |
| c. Record the operating temperature of the affected source | Process data | During each test run and at least once per hour, record the operating temperature in the highest temperature zone of the affected source. | |
| 4. Each continuous process unit that is subject to the THC emission limit listed in item 2.a., 3.a., 4, or 5 of Table 1 to this subpart | a. Measure THC concentrations at the outlet of the control device or in the stack | i. Method 25A of 40 CFR part 60, appendix A-7 | (1) Each minute, measure and record the concentrations of THC in the exhaust stream; and (2) Provide at least 50 1-minute measurements for each valid hourly average THC concentration. |
| b. Measure oxygen concentrations at the outlet of the control device or in the stack | i. Method 3A of 40 CFR part 60, appendix A-2 | (1) Each minute, measure and record the concentrations of oxygen in the exhaust stream; and (2) Provide at least 50 1-minute measurements for each valid hourly average THC concentration. | |
| c. Determine the hourly average THC concentration, corrected to 18 percent oxygen | i. Equation 1 of §63.9800(g)(1); and ii. The 1-minute THC and oxygen concentration data | (1) Calculate the hourly average THC concentration for each hour of the performance test as the average of the 1-minute THC measurements; and (2) Calculate the hourly average oxygen concentration for each hour of the performance test as the average of the 1-minute oxygen measurements; and (3) Correct the hourly average THC concentrations to 18 percent oxygen using Equation 1 of §63.9800(g)(1). | |
| d. Determine the 3-hour block average THC emission concentration, corrected to 18 percent oxygen | The hourly average concentration of THC, corrected to 18 percent oxygen, for each test run | Calculate the 3-hour block average THC emission concentration, corrected to 18 percent oxygen, as the average of the hourly average THC emission concentrations, corrected to 18 percent oxygen. | |
| 5. Each continuous process unit that is subject to the THC percentage reduction limit listed in item 2.b. or 3.b. of Table 1 to this subpart | a. Measure THC concentrations at the inlet and outlet of the control device | i. Method 25A of 40 CFR part 60, appendix A-7 | (1) Each minute, measure and record the concentrations of THC at the inlet and outlet of the control device; and (2) Provide at least 50 1-minute measurements for each valid hourly average THC concentration at the control device inlet and outlet. |
| b. Determine the hourly THC mass emissions rates at the inlet and outlet of the control device | i. The 1-minute THC concentration data at the control device inlet and outlet; and ii. The volumetric flow rates at the control device inlet and outlet | Calculate the hourly THC mass emissions rates at the control device inlet and outlet for each hour of the performance test. | |
| c. Determine the 3-hour block average THC percentage reduction | i. The hourly THC mass emissions rates at the inlet and outlet of the control device | (1) Calculate the hourly THC percentage reduction for each hour of the performance test using Equation 2 of §63.9800(g)(1); and (2) Calculate the 3-hour block average THC percentage reduction. | |
| 6. Each continuous process unit that is equipped with a thermal oxidizer | a. Establish the operating limit for the minimum allowable thermal oxidizer combustion chamber temperature | i. Continuous recording of the output of the combustion chamber temperature measurement device | (1) At least every 15 minutes, measure and record the thermal oxidizer combustion chamber temperature; and (2) Provide at least one measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average thermal oxidizer combustion chamber temperature for each hour of the performance test; and (4) Calculate the minimum allowable combustion chamber temperature as the average of the combustion chamber temperatures for the three test runs, minus 14°C (25°F). |
| 7. Each continuous process unit that is equipped with a catalytic oxidizer | a. Establish the operating limit for the minimum allowable temperature at the inlet of the catalyst bed | i. Continuous recording of the output of the temperature measurement device | (1) At least every 15 minutes, measure and record the temperature at the inlet of the catalyst bed; and (2) Provide at least one catalyst bed inlet temperature measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average catalyst bed inlet temperature for each hour of the performance test; and (4) Calculate the minimum allowable catalyst bed inlet temperature as the average of the catalyst bed inlet temperatures for the three test runs, minus 14°C (25°F). |
| 8. Each affected batch process unit | a. Perform a minimum of two test runs | i. The appropriate test methods specified in items 1, 9, and 10 of this table | (1) Each test run must be conducted over a separate batch cycle unless you satisfy the requirements of §63.9800(f)(3) and (4); and (2) Each test run must begin with the start of a batch cycle, except as specified in item 8.a.i.4. of this table; and (3) Each test run must continue until the end of the batch cycle, except as specified in items 8.a.i.4. and 8.a.i.5. of this table; and (4) If you develop an emissions profile, as described in §63.9802(a), AND for sources equipped with a thermal or catalytic oxidizer, you do not reduce the oxidizer operating temperature, as specified in item 13 of this table, you can limit each test run to the 3-hour peak THC emissions period; and (5) If you do not develop an emissions profile, a test run can be stopped, and the results of that run considered complete, if you measure emissions continuously until at least 3 hours after the affected process unit has reached maximum temperature, AND the hourly average THC mass emissions rate has not increased during the 3-hour period since maximum process temperature was reached, and the hourly average concentrations of THC at the inlet of the control device have not exceeded 20 ppmvd, corrected to 18 percent oxygen, during the 3-hour period since maximum process temperature was reached or the hourly average THC percentage reduction has been at least 95 percent during the 3-hour period since maximum process temperature was reached, AND, for sources equipped with a thermal or catalytic oxidizer, at least 1 hour has passed since any reduction in the operating temperature of the oxidizer, as specified in item 13 of this table. |
| b. Establish the operating limit for the maximum organic HAP processing rate | i. Method 311 of 40 CFR part 63, appendix A, OR MSDS, OR product labels to determine the mass fraction of organic HAP in each resin, binder, or additive; and ii. Product formulation data that specify the mass fraction of each resin, binder, and additive in the products that are processed during the performance test; and iii. Batch weight (tons) | (1) Calculate and record the organic HAP content of all refractory shapes that are processed during the performance test, based on the mass fraction of HAP in the resins, binders, or additives; the mass fraction of each resin, binder, or additive, in the product, and the batch weight prior to processing; and (2) Calculate and record the organic HAP processing rate (pounds per batch) for each test run; and (3) Calculate and record the maximum organic HAP processing rate as the average of the organic HAP processing rates for the two test runs. | |
| c. Record the batch cycle time | Process data | Record the total elapsed time from the start to the completion of the batch cycle. | |
| d. Record the operating temperature of the affected source | Process data | Record the operating temperature of the affected source at least once every hour from the start to the completion of the batch cycle. | |
| 9. Each batch process unit that is subject to the THC emission limit listed in item 6.a., 7.a., 8, or 9 of Table 1 to this subpart | a. Measure THC concentrations at the outlet of the control device or in the stack | i. Method 25A of 40 CFR part 60, appendix A-7 | (1) Each minute, measure and record the concentrations of THC in the exhaust stream; and (2) Provide at least 50 1-minute measurements for each valid hourly average THC concentration. |
| b. Measure oxygen concentrations at the outlet of the control device or in the stack | i. Method 3A of 40 CFR part 60, appendix A-2 | (1) Each minute, measure and record the concentrations of oxygen in the exhaust stream; and (2) Provide at least 50 1-minute measurements for each valid hourly average oxygen concentration. | |
| c. Determine the hourly average THC concentration, corrected to 18 percent oxygen | i. Equation 1 of §63.9800(g)(1); and ii. The 1-minute THC and oxygen concentration data | (1) Calculate the hourly average THC concentration for each hour of the performance test as the average of the 1-minute THC measurements; and (2) Calculate the hourly average oxygen concentration for each hour of the performance test as the average of the 1-minute oxygen measurements; and (3) Correct the hourly average THC concentrations to 18 percent oxygen using Equation 1 of §63.9800(g)(1). | |
| d. Determine the 3-hour peak THC emissions period for each test run | The hourly average THC concentrations, corrected to 18 percent oxygen | Select the period of 3 consecutive hours over which the sum of the hourly average THC concentrations, corrected to 18 percent oxygen, is greater than the sum of the hourly average THC emission concentrations, corrected to 18 percent oxygen, for any other period of 3 consecutive hours during the test run. | |
| e. Determine the average THC concentration, corrected to 18 percent oxygen, for each test run | The hourly average THC emission concentrations, corrected to 18 percent oxygen, for the 3-hour peak THC emissions period | Calculate the average of the hourly average THC concentrations, corrected to 18 percent oxygen, for the 3 hours of the peak emissions period for each test run. | |
| f. Determine the 2-run block average THC concentration, corrected to 18 percent oxygen, for the emission test | The average THC concentration, corrected to 18 percent oxygen, for each test run | Calculate the average of the average THC concentrations, corrected to 18 percent oxygen, for each run. | |
| 10. Each batch process unit that is subject to the THC percentage reduction limit listed in item 6.b. or 7.b. of Table 1 to this subpart | a. Measure THC concentrations at the inlet and outlet of the control device | i. Method 25A of 40 CFR part 60, appendix A-7 | (1) Each minute, measure and record the concentrations of THC at the control device inlet and outlet; and (2) Provide at least 50 1-minute measurements for each valid hourly average THC concentration at the control device inlet and outlet. |
| b. Determine the hourly THC mass emissions rates at the control device inlet and outlet | i. The 1-minute THC concentration data at the control device inlet and outlet; and ii. The volumetric flow rates at the control device inlet and outlet | (1) Calculate the hourly mass emissions rates at the control device inlet and outlet for each hour of the performance test. | |
| c. Determine the 3-hour peak THC emissions period for each test run | The hourly THC mass emissions rates at the control device inlet | Select the period of 3 consecutive hours over which the sum of the hourly THC mass emissions rates at the control device inlet is greater than the sum of the hourly THC mass emissions rates at the control device inlet for any other period of 3 consecutive hours during the test run. | |
| d. Determine the average THC percentage reduction for each test run | i. Equation 2 of §63.9800(g)(2); and ii. The hourly THC mass emissions rates at the control device inlet and outlet for the 3-hour peak THC emissions period | Calculate the average THC percentage reduction for each test run using Equation 2 of §63.9800(g)(2). | |
| e. Determine the 2-run block average THC percentage reduction for the emission test | The average THC percentage reduction for each test run | Calculate the average of the average THC percentage reductions for each test run. | |
| 11. Each batch process unit that is equipped with a thermal oxidizer | a. Establish the operating limit for the minimum thermal oxidizer combustion chamber temperature | i. Continuous recording of the output of the combustion chamber temperature measurement device | (1) At least every 15 minutes, measure and record the thermal oxidizer combustion chamber temperature; and (2) Provide at least one temperature measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average combustion chamber temperature for each hour of the 3-hour peak emissions period, as defined in item 9.d. or 10.c. of this table, whichever applies; and (4) Calculate the minimum allowable thermal oxidizer combustion chamber operating temperature as the average of the hourly combustion chamber temperatures for the 3-hour peak emissions period, minus 14°C (25°F). |
| 12. Each batch process unit that is equipped with a catalytic oxidizer | a. Establish the operating limit for the minimum temperature at the inlet of the catalyst bed | i. Continuous recording of the output of the temperature measurement device | (1) At least every 15 minutes, measure and record the temperature at the inlet of the catalyst bed; and (2) Provide at least one catalyst bed inlet temperature measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average catalyst bed inlet temperature for each hour of the 3-hour peak emissions period, as defined in item 9.d. or 10.c. of this table, whichever applies; and (4) Calculate the minimum allowable catalytic oxidizer catalyst bed inlet temperature as the average of the hourly catalyst bed inlet temperatures for the 3-hour peak emissions period, minus 14°C (25°F). |
| 13. Each batch process unit that is equipped with a thermal or catalytic oxidizer | a. During each test run, maintain the applicable operating temperature of the oxidizer until emission levels allow the oxidizer to be shut off or the operating temperature of the oxidizer to be reduced | (1) The oxidizer can be shut off or the oxidizer operating temperature can be reduced if you do not use an emission profile to limit testing to the 3-hour peak emissions period, as specified in item 8.a.i.4. of this table; and (2) At least 3 hours have passed since the affected process unit reached maximum temperature; and (3) The applicable emission limit specified in item 6.a. or 6.b. of Table 1 to this subpart was met during each of the previous three 1-hour periods; and (4) The hourly average THC mass emissions rate did not increase during the 3-hour period since maximum process temperature was reached; and (5) The applicable emission limit specified in item 6.a. and 6.b. of Table 1 to this subpart was met during each of the four 15-minute periods immediately following the oxidizer temperature reduction; and (6) If the applicable emission limit specified in item 6.a. or 6.b. of Table 1 to this subpart was not met during any of the four 15-minute periods immediately following the oxidizer temperature reduction, you must return the oxidizer to its normal operating temperature as soon as possible and maintain that temperature for at least 1 hour; and (7) Continue the test run until the applicable emission limit specified in items 6.a. and 6.b. of Table 1 to this subpart is met for at least four consecutive 15-minute periods that immediately follow the temperature reduction; and (8) Calculate the hourly average oxidizer operating temperature for each hour of the performance test since the affected process unit reached maximum temperature. | |
| 14. Each new continuous kiln that is used to process clay refractory products | a. Measure emissions of HF and HCl | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | (1) Conduct the test while the kiln is operating at the maximum production level; and (2) You may use EPA Method 26 of 40 CFR part 60, appendix A-8, only if no acid PM ( e.g., HF or HCl dissolved in water droplets emitted by sources controlled by a wet scrubber) is present; and (3) If you use EPA Method 320 of 40 CFR part 63, appendix A, you must follow the analyte spiking procedures of Section 13 of EPA Method 320 unless you can demonstrate that the complete spiking procedure has been conducted at a similar source. ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent; and (4) Repeat the performance test if the affected source is controlled with a DLA and you change the source of the limestone used in the DLA. |
| b. Perform a minimum of 3 test runs | The appropriate test methods specified in items 1 and 14.a. of this table | Each test run must be at least 1 hour in duration. | |
| 15. Each new continuous kiln that is subject to the production-based HF and HCl emission limits specified in items 10.a. and 10.b. of Table 1 to this subpart | a. Record the uncalcined clay processing rate | i. Production data; and ii. Product formulation data that specify the mass fraction of uncalcined clay in the products that are processed during the performance test | (1) Record the production rate (tons per hour of fired product); and (2) Calculate and record the average rate at which uncalcined clay is processed (tons per hour) for each test run; and (3) Calculate and record the 3-run average uncalcined clay processing rate as the average of the average uncalcined clay processing rates for each test run. |
| b. Determine the HF mass emissions rate at the outlet of the control device or in the stack | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | Calculate the HF mass emissions rate for each test. ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent. | |
| c. Determine the 3-hour block average production-based HF emissions rate | i. The HF mass emissions rate for each test run; and ii. The average uncalcined clay processing rate | (1) Calculate the hourly production-based HF emissions rate for each test run using Equation 3 of §63.9800(g)(3); and (2) Calculate the 3-hour block average production-based HF emissions rate as the average of the hourly production-based HF emissions rates for each test run. | |
| d. Determine the HCl mass emissions rate at the outlet of the control device or in the stack | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | Calculate the HCl mass emissions rate for each test run. ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent. | |
| e. Determine the 3-hour block average production-based HCl emissions rate | i. The HCl mass emissions rate for each test run; and ii. The average uncalcined clay processing rate | (1) Calculate the hourly production-based HCl emissions rate for each test run using Equation 3 of §63.9800(g)(3); and (2) Calculate the 3-hour block average production-based HCl emissions rate as the average of the production-based HCl emissions rates for each test run. | |
| 16. Each new continuous kiln that is subject to the HF and HCl percentage reduction limits specified in items 10.a. and 10.b. of Table 1 to this subpart | a. Measure the HF mass emissions rates at the inlet and outlet of the control device | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | Calculate the HF mass emissions rates at the control device inlet and outlet for each test run. ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent. |
| b. Determine the 3-hour block average HF percentage reduction | i. The HF mass emissions rates at the inlet and outlet of the control device for each test run | (1) Calculate the hourly HF percentage reduction using Equation 2 of §63.9800(g)(2); and (2) Calculate the 3-hour block average HF percentage reduction as the average of the HF percentage reductions for each test run. | |
| c. Measure the HCl mass emissions rates at the inlet and outlet of the control device | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | Calculate the HCl mass emissions rates at the control device inlet and outlet for each test run. ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent. | |
| d. Determine the 3-hour block average HCl percentage reduction. | i. The HCl mass emissions rates at the inlet and outlet of the control device for each test run | (1) Calculate the hourly HCl percentage reduction using Equation 2 of §63.9800(g)(2); and (2) Calculate the 3-hour block average HCl percentage reduction as the average of HCl percentage reductions for each test run. | |
| 17. Each new batch process kiln that is used to process clay refractory products | a. Measure emissions of HF and HCl at the inlet and outlet of the control device | i. Method 26A of 40 CFR part 60, appendix A-8; or ii. Method 26 of 40 CFR part 60, appendix A-8; or iii. Method 320 of 40 CFR part 63, appendix A | (1) Conduct the test while the kiln is operating at the maximum production level; and (2) You may use EPA Method 26 of 40 CFR part 60, appendix A, only if no acid PM ( e.g., HF or HCl dissolved in water droplets emitted by sources controlled by a wet scrubber) is present; and (3) If you use EPA Method 320 of 40 CFR part 63, you must follow the analyte spiking procedures of Section 13 of EPA Method 320 unless you can demonstrate that the complete spiking procedure has been conducted at a similar source ASTM D6348-12e1 a may be used as an alternative to EPA Method 320 if the test plan preparation and implementation in Annexes A1-A8 are mandatory and the %R in Annex A5 is determined for each target analyte and is equal or greater than 70 percent and less than or equal to 130 percent.; and (4) Repeat the performance test if the affected source is controlled with a DLA and you change the source of the limestone used in the DLA. |
| b. Perform a minimum of 2 test runs | i. The appropriate test methods specified in items 1 and 17.a. of this table | (1) Each test run must be conducted over a separate batch cycle unless you satisfy the requirements of §63.9800(f)(3) and (4); and (2) Each test run must consist of a series of 1-hour runs at the inlet and outlet of the control device, beginning with the start of a batch cycle, except as specified in item 17.b.i.4. of this table; and (3) Each test run must continue until the end of the batch cycle, except as specified in item 17.b.i.4. of this table; and (4) If you develop an emissions profile, as described in §63.9802(b), you can limit each test run to the 3-hour peak HF emissions period. | |
| c. Determine the hourly HF and HCl mass emissions rates at the inlet and outlet of the control device | i. The appropriate test methods specified in items 1 and 17.a. of this table | Determine the hourly mass HF and HCl emissions rates at the inlet and outlet of the control device for each hour of each test run. | |
| d. Determine the 3-hour peak HF emissions period | The hourly HF mass emissions rates at the inlet of the control device | Select the period of 3 consecutive hours over which the sum of the hourly HF mass emissions rates at the control device inlet is greater than the sum of the hourly HF mass emissions rates at the control device inlet for any other period of 3 consecutive hours during the test run. | |
| e. Determine the 2-run block average HF percentage reduction for the emissions test | i. The hourly average HF emissions rates at the inlet and outlet of the control device | (1) Calculate the HF percentage reduction for each hour of the 3-hour peak HF emissions period using Equation 2 of §63.9800(g)(2); and (2) Calculate the average HF percentage reduction for each test run as the average of the hourly HF percentage reductions for the 3-hour peak HF emissions period for that run; and (3) Calculate the 2-run block average HF percentage reduction for the emission test as the average of the average HF percentage reductions for the two test runs. | |
| f. Determine the 2-run block average HCl percentage reduction for the emission test | i. The hourly average HCl emissions rates at the inlet and outlet of the control device | (1) Calculate the HCl percentage reduction for each hour of the 3-hour peak HF emissions period using Equation 2 §63.9800(g)(2); and (2) Calculate the average HCl percentage reduction for each test run as the average of the hourly HCl percentage reductions for the 3-hour peak HF emissions period for that run; and (3) Calculate the 2-run block average HCl percentage reduction for the emission test as the average of the average HCl percentage reductions for the two test runs. | |
| 18. Each new kiln that is used to process clay refractory products and is equipped with a DLA | a. Establish the operating limit for the minimum pressure drop across the DLA | Data from the pressure drop measurement device during the performance test | (1) At least every 15 minutes, measure the pressure drop across the DLA; and (2) Provide at least one pressure drop measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average pressure drop across the DLA for each hour of the performance test; and (4) Calculate and record the minimum pressure drop as the average of the hourly average pressure drops across the DLA for the two or three test runs, whichever applies. |
| b. Establish the operating limit for the limestone feeder setting | Data from the limestone feeder during the performance test | (1) Ensure that limestone in the feed hopper, silo, and DLA is free-flowing at all times during the performance test; and (2) Establish the limestone feeder setting 1 week prior to the performance test; and (3) Record and maintain the feeder setting for the 1-week period that precedes the performance test and during the performance test. | |
| 19. Each new kiln that is used to process clay refractory products and is equipped with a DIFF or DLS/FF | a. Document conformance with specifications and requirements of the bag leak detection system | Data from the installation and calibration of the bag leak detection system | Submit analyses and supporting documentation demonstrating conformance with EPA guidance and specifications for bag leak detection systems as part of the Notification of Compliance Status. |
| b. Establish the operating limit for the lime feeder setting | i. Data from the lime feeder during the performance test | (1) For continuous lime injection systems, ensure that lime in the feed hopper or silo is free-flowing at all times during the performance test; and (2) Record the feeder setting for the three test runs; and (3) If the feed rate setting varies during the three test runs, calculate and record the average feed rate for the two or three test runs, whichever applies. | |
| 20. Each new kiln that is used to process clay refractory products and is equipped with a wet scrubber | a. Establish the operating limit for the minimum scrubber pressure drop | i. Data from the pressure drop measurement device during the performance test | (1) At least every 15 minutes, measure the pressure drop across the scrubber; and (2) Provide at least one pressure drop measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average pressure drop across the scrubber for each hour of the performance test; and (4) Calculate and record the minimum pressure drop as the average of the hourly average pressure drops across the scrubber for the two or three test runs, whichever applies. |
| b. Establish the operating limit for the minimum scrubber liquid pH | i. Data from the pH measurement device during the performance test | (1) At least every 15 minutes, measure scrubber liquid pH; and (2) Provide at least one pH measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average pH values for each hour of the performance test; and (4) Calculate and record the minimum liquid pH as the average of the hourly average pH measurements for the two or three test runs, whichever applies. | |
| c. Establish the operating limit for the minimum scrubber liquid flow rate | i. Data from the flow rate measurement device during the performance test | (1) At least every 15 minutes, measure the scrubber liquid flow rate; and (2) Provide at least one flow rate measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average liquid flow rate for each hour of the performance test; and (4) Calculate and record the minimum liquid flow rate as the average of the hourly average liquid flow rates for the two or three test runs, whichever applies. | |
| d. If chemicals are added to the scrubber liquid, establish the operating limit for the minimum scrubber chemical feed rate | i. Data from the chemical feed rate measurement device during the performance test | (1) At least every 15 minutes, measure the scrubber chemical feed rate; and (2) Provide at least one chemical feed rate measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average chemical feed rate for each hour of the performance test; and (4) Calculate and record the minimum chemical feed rate as the average of the hourly average chemical feed rates for the two or three test runs, whichever applies. | |
| 21. Each new and existing kiln that is used to process clay refractory products that is subject to the PM limits specified in items 10.c. 11.c, 12.a, and 13.a of Table 1 to this subpart | Measure PM emissions | Method 5 of 40 CFR part 60, appendix A-3 | |
| 22. Each new and existing kiln that is used to process clay refractory products that is subject to the Hg limits specified in items 10.d. 11.d, 12.b, and 13.b of Table 1 to this subpart | Measure Hg emissions | Method 29 of 40 CFR part 60, appendix A-8 | ASTM D6784-16 a may be used as an alternative to EPA Method 29 (portion for Hg only). |
| 23. Each new and existing kiln that is used to process clay refractory products and is equipped with an activated carbon injection system | Establish the operating limit for the average carbon flow rate | Data from the carbon flow rate measurement conducted during the Hg performance test | You must measure the carbon flow rate during each test run, determine and record the block average carbon flow rate values for the three test runs, and determine and record the 3-hour block average of the recorded carbon flow rate measurements for the three test runs. The average of the three test runs establishes your minimum site-specific activated carbon flow rate operating limit. |
| 24. Each existing kiln that is used to process clay refractory products and is equipped with a FF and a bag leak detection system | Document conformance with specifications and requirements of the bag leak detection system | Data from the installation and calibration of the bag leak detection system | Submit analyses and supporting documentation demonstrating conformance with EPA guidance and specifications for bag leak detection systems as part of the Notification of Compliance Status. |
| 25. Each existing kiln that is used to process clay refractory products and is equipped with a wet scrubber | a. Establish the operating limit for the minimum scrubber pressure drop | i. Data from the pressure drop measurement device during the performance test | (1) At least every 15 minutes, measure the pressure drop across the scrubber; and (2) Provide at least one pressure drop measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average pressure drop across the scrubber for each hour of the performance test; and (4) Calculate and record the minimum pressure drop as the average of the hourly average pressure drops across the scrubber for the two or three test runs, whichever applies. |
| b. Establish the operating limit for the minimum scrubber liquid flow rate | i. Data from the flow rate measurement device during the performance test | (1) At least every 15 minutes, measure the scrubber liquid flow rate; and (2) Provide at least one flow rate measurement during at least three 15-minute periods per hour of testing; and (3) Calculate the hourly average liquid flow rate for each hour of the performance test; and (4) Calculate and record the minimum liquid flow rate as the average of the hourly average liquid flow rates for the two or three test runs, whichever applies. | |
| a Incorporated by reference, see §63.14. | |||
Table 5 to Subpart SSSSS of Part 63 - Initial Compliance With Emission Limits
As stated in §63.9806, you must show initial compliance with the emission limits for affected sources according to the following table:
| For . . . | For the following emission limit . . . | You have demonstrated compliance if . . . |
|---|---|---|
| 1. Each affected source listed in Table 1 to this subpart | a. Each applicable emission limit listed in Table 1 to this subpart | i. Emissions measured using the test methods specified in Table 4 to this subpart satisfy the applicable emission limits specified in Table 1 to this subpart; and ii. You establish and have a record of the operating limits listed in Table 2 to this subpart over the performance test period; and iii. You report the results of the performance test in the Notification of Compliance Status, as specified by §63.9812(e)(1) and (2). |
| 2. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | As specified in items 3 through 8 of this table | You have satisfied the applicable requirements specified in items 3 through 8 of this table. |
| 3. Each affected continuous process unit that is subject to the THC emission concentration limit listed in item 2.a., 3.a., 4, or 5 of Table 1 to this subpart | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen | The 3-hour block average THC emission concentration measured during the performance test using EPA Methods 25A and 3A is equal to or less than 20 ppmvd, corrected to 18 percent oxygen. |
| 4. Each affected continuous process unit that is subject to the THC percentage reduction limit listed in item 2.b. or 3.b. of Table 1 to this subpart | The average THC percentage reduction must equal or exceed 95 percent | The 3-hour block average THC percentage reduction measured during the performance test using EPA Method 25A is equal to or greater than 95 percent. |
| 5. Each affected batch process unit that is subject to the THC emission concentration limit listed in item 6.a., 7.a., 8, or 9 of Table 1 to this subpart | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen | The 2-run block average THC emission concentration for the 3-hour peak emissions period measured during the performance test using EPA Methods 25A and 3A is equal to or less than 20 ppmvd, corrected to 18 percent oxygen. |
| 6. Each affected batch process unit that is subject to the THC percentage reduction limit listed in item 6.b. or 7.b. of Table 1 to this subpart | The average THC percentage reduction must equal or exceed 95 percent | The 2-run block average THC percentage reduction for the 3-hour peak emissions period measured during the performance test using EPA Method 25A is equal to or exceeds 95 percent. |
| 7. Each affected continuous or batch process unit that is equipped with a control device other than a thermal or catalytic oxidizer and is subject to the emission limit listed in item 3 or 7 of Table 1 to this subpart | a. The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen; or b. The average THC percentage reduction must equal or exceed 95 percent | i. You have installed a THC CEMS at the outlet of the control device or in the stack of the affected source; and ii. You have satisfied the requirements of PS-8 of 40 CFR part 60, appendix B. |
| 8. Each affected continuous or batch process unit that uses process changes to reduce organic HAP emissions and is subject to the emission limit listed in item 4 or 8 of Table 1 to this subpart | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen | i. You have installed a THC CEMS at the outlet of the control device or in the stack of the affected source; and ii. You have satisfied the requirements of PS-8 of 40 CFR part 60, appendix B. |
| 9. Each new continuous kiln that is used to process clay refractory products | a. The average HF emissions must not exceed 0.019 kg/Mg (0.038 lb/ton) of uncalcined clay processed; OR the average uncontrolled HF emissions must be reduced by at least 90 percent | i. The 3-hour block average production-based HF emissions rate measured during the performance test using one of the methods specified in item 14.a.i. of Table 4 to this subpart is equal to or less than 0.019 kg/Mg (0.038 lb/ton) of uncalcined clay processed; or The 3-hour block average HF emissions reduction measured during the performance test is equal to or greater than 90 percent. |
| b. The average HCl emissions must not exceed 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed; OR the average uncontrolled HCl emissions must be reduced by at least 30 percent | i. The 3-hour block average production-based HCl emissions rate measured during the performance test using one of the methods specified in item 14.a.i. of Table 4 to this subpart is equal to or less than 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed; or ii. The 3-hour block average HCl emissions reduction measured during the performance test is equal to or greater than 30 percent. | |
| c. The average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr) | i. The 3-hour block average PM emissions measured during the performance test using one of the methods specified in item 21 of Table 4 to this subpart is equal to or less than 1.4 kg/Mg (3.1 lb/hr). | |
| d. The average Hg emissions must not exceed 6.1 µg/dscm at 18 percent oxygen | i. The 3-hour block average Hg emissions measured during the performance test using one of the methods specified in item 22 of Table 4 to this subpart is equal to or less than 6.1 µg/dscm at 18 percent oxygen. | |
| 10. Each new batch process kiln that is used to process clay refractory products | a. The average uncontrolled HF emissions must be reduced by at least 90 percent | The 2-run block average HF emission reduction measured during the performance test is equal to or greater than 90 percent. |
| b. The average uncontrolled HCl emissions must be reduced by at least 30 percent | The 2-run block average HCl emissions reduction measured during the performance test is equal to or greater than 30 percent. | |
| c. The average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr) | i. The 2-run block average PM emissions measured during the performance test using one of the methods specified in item 21 of Table 4 to this subpart is equal to or less than 1.4 kg/Mg (3.1 lb/hr). | |
| d. The average Hg emissions must not exceed 6.1 µg/dscm at 18 percent oxygen | i. The 2-run block average Hg emissions measured during the performance test using one of the methods specified in item 22 of Table 4 to this subpart is equal to or less than 6.1 µg/dscm at 18 percent oxygen. | |
| 11. Each existing continuous kiln that is used to produce clay refractory products on and after November 20, 2022 | a. The average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr) | i. The 3-hour block average PM emissions measured during the performance test using one of the methods specified in item 21 of Table 4 to this subpart is equal to or less than 4.3 kg/Mg (9.5 lb/hr). |
| b. The average Hg emissions must not exceed 18 µg/dscm at 18 percent oxygen | i. The 3-hour block average Hg emissions measured during the performance test using one of the methods specified in item 22 of Table 4 to this subpart is equal to or less than 18 µg/dscm at 18 percent oxygen. | |
| 12. Each existing batch kiln that is used to produce clay refractory products on and after November 20, 2022 | a. The average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr) | i. The 2-run block average PM emissions measured during the performance test using one of the methods specified in item 21 of Table 4 to this subpart is equal to or less than 4.3 kg/Mg (9.5 lb/hr). |
| b. The average Hg emissions must not exceed 18 μg/dscm at 18 percent oxygen | i. The 2-run block average Hg emissions measured during the performance test using one of the methods specified in item 22 of Table 4 to this subpart is equal to or less than 18 µg/dscm at 18 percent oxygen. |
[86 FR 66082, Nov. 19, 2021]
Table 6 to Subpart SSSSS of Part 63 - Initial Compliance With Work Practice Standards
As stated in §63.9806, you must show initial compliance with the work practice standards for affected sources according to the following table:
| For each . . . | For the following standard . . . | You have demonstrated initial compliance if . . . |
|---|---|---|
| 1. Each affected source listed in Table 3 to this subpart | a. Each applicable work practice standard listed in Table 3 to this subpart | i. You have selected a method for performing each of the applicable work practice standards listed in Table 3 to this subpart; and ii. You have included in your Initial Notification a description of the method selected for complying with each applicable work practice standard, as required by §63.9(b); and iii. You submit a signed statement with the Notification of Compliance Status that you have implemented the applicable work practice standard listed in Table 3 to this subpart; and iv. You have described in your OM&M plan the method for complying with each applicable work practice standard specified in Table 3 to this subpart. |
| 2. Each basket or container that is used for holding fired refractory shapes in an existing shape preheater and autoclave during the pitch impregnation process | a. Control POM emissions from any affected shape preheater | i. You have implemented at least one of the work practice standards listed in item 1 of Table 3 to this subpart; and ii. You have established a system for recording the date and cleaning method for each time you clean an affected basket or container. |
| 3. Each affected new or existing pitch working tank | Control POM emissions | You have captured and vented emissions from the affected pitch working tank to the device that is used to control emissions from an affected defumer or coking oven, or to a thermal or catalytic oxidizer that is comparable to the control device used on an affected defumer or coking oven. |
| 4. Each new or existing chromium refractory products kiln | Minimize fuel-based HAP emissions | You use natural gas, or equivalent, as the kiln fuel. |
| 5. Each existing clay refractory products kiln | Minimize fuel-based HAP emissions | You use natural gas, or equivalent, as the kiln fuel. |
| 6. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP, on and after November 19, 2021 | Minimize fuel-based HAP emissions | You use natural gas, or equivalent, as the kiln fuel. |
[86 FR 66084, Nov. 19, 2021]
Table 7 to Subpart SSSSS of Part 63 - Continuous Compliance with Emission Limits
As stated in §63.9810, you must show continuous compliance with the emission limits for affected sources according to the following table:
| For . . . | For the following emission limit . . . | You must demonstrate continuous compliance by . . . |
|---|---|---|
| 1. Each affected source listed in Table 1 to this subpart | a. Each applicable emission limit listed in Table 1 to this subpart | i. Collecting and recording the monitoring and process data listed in Table 2 (operating limits) to this subpart; and ii. Reducing the monitoring and process data associated with the operating limits specified in Table 2 to this subpart; and iii. Recording the results of any control device inspections; and iv. Reporting, in accordance with §63.9814(e), any deviation from the applicable operating limits specified in Table 2 to this subpart. |
| 2. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | As specified in items 3 through 7 of this table | Satisfying the applicable requirements specified in items 3 through 7 of this table. |
| 3. Each affected process unit that is equipped with a thermal or catalytic oxidizer | a. The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen; OR the average THC percentage reduction must equal or exceed 95 percent | i. Collecting the applicable data measured by the control device temperature monitoring system, as specified in items 5, 6, 8, and 9 of Table 8 to this subpart; and ii. Reducing the applicable data measured by the control device temperature monitoring system, as specified in items 5, 6, 8, and 9 of Table 8 to this subpart; and iii. Maintaining the average control device operating temperature for the applicable averaging period specified in items 5, 6, 8, and 9 of Table 2 to this subpart at or above the minimum allowable operating temperature established during the most recent performance test. |
| 4. Each affected process unit that is equipped with a control device other than a thermal or catalytic oxidizer | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen; OR the average THC performance reduction must equal or exceed 95 percent | Operating and maintaining a THC CEMS at the outlet of the control device or in the stack of the affected source, according to the requirements of Procedure 1 of 40 CFR part 60, appendix F. |
| 5. Each affected process unit that uses process changes to meet the applicable emission limit | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen | Operating and maintaining a THC CEMS at the outlet of the control device or in the stack of the affected source, according to the requirements of Procedure 1 of 40 CFR part 60, appendix F. |
| 6. Each affected continuous process unit | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen; OR the average THC percentage reduction must equal or exceed 95 percent | Recording the organic HAP processing rate (pounds per hour) and the operating temperature of the affected source, as specified in items 3.b. and 3.c. of Table 4 to this subpart. |
| 7. Each affected batch process unit | The average THC concentration must not exceed 20 ppmvd, corrected to 18 percent oxygen; OR the average THC percentage reduction must equal or exceed 95 percent | Recording the organic HAP processing rate (pounds per batch); and process cycle time for each batch cycle; and hourly average operating temperature of the affected source, as specified in items 8.b. through 8.d. of Table 4 to this subpart. |
| 8. Each new kiln that is used to process clay refractory products | As specified in items 9 through 11 of this table | Satisfying the applicable requirements specified in items 9 through 11 of this table. |
| 9. Each new affected kiln that is equipped with a DLA | a. The average HF emissions must not exceed 0.019 kg/Mg (0.038 lb/ton) of uncalcined clay processed, OR the average uncontrolled HF emissions must be reduced by at least 90 percent; and b. The average HCl emissions must not exceed 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed, or the average uncontrolled HCl emissions must be reduced by at least 30 percent | i. Maintaining the pressure drop across the DLA at or above the minimum levels established during the most recent performance test; and ii. Verifying that the limestone hopper contains an adequate amount of free-flowing limestone by performing a daily visual check of the limestone in the feed hopper; and iii. Recording the limestone feeder setting daily to verify that the feeder setting is at or above the level established during the most recent performance test; and iv. Using the same grade of limestone as was used during the most recent performance test and maintaining records of the source and grade of limestone. |
| c. The average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr); and d. The average Hg emissions must not exceed 6.1 µg/dscm, corrected to 18 percent oxygen | i. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; maintaining no VE from the stack. | |
| 10. Each new affected kiln that is equipped with a DIFF or DLS/FF | a. The average HF emissions must not exceed 0.019 kg/Mg (0.038 lb/ton) of uncalcined clay processed; OR the average uncontrolled HF emissions must be reduced by at least 90 percent; and b. The average HCl emissions must not exceed 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed; OR the average uncontrolled HCl emissions must be reduced by at least 30 percent; and c. The average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr); and d. The average Hg emissions must not exceed 6.1 µg/dscm, corrected to 18 percent oxygen | i. Verifying at least once each 8-hour shift that lime is free-flowing by means of a visual check, checking the output of a load cell, carrier gas/lime flow indicator, or carrier gas pressure drop measurement system; and ii. Recording feeder setting daily to verify that the feeder setting is at or above the level established during the most recent performance test; and iii. Initiating corrective action within 1 hour of a bag leak detection system alarm AND completing corrective actions in accordance with the OM&M plan, AND operating and maintaining the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period. |
| 11. Each new affected kiln that is equipped with a wet scrubber | a. The average HF emissions must not exceed 0.019 kg/Mg (0.038 lb/ton) of uncalcined clay processed; OR the average uncontrolled HF emissions must be reduced by at least 90 percent; and b. The average HCl emissions must not exceed 0.091 kg/Mg (0.18 lb/ton) of uncalcined clay processed; OR the average uncontrolled HCl emissions must be reduced by at least 30 percent; and c. The average PM emissions must not exceed 1.4 kg/Mg (3.1 lb/hr); and d. The average Hg emissions must not exceed 6.1 µg/dscm, corrected to 18 percent oxygen | i. Maintaining the pressure drop across the scrubber, liquid pH, and liquid flow rate at or above the minimum levels established during the most recent performance test; and ii. If chemicals are added to the scrubber liquid, maintaining the average chemical feed rate at or above the minimum chemical feed rate established during the most recent performance test. |
| 12. Each new affected kiln that is equipped with an activated carbon injection system | The average Hg emissions must not exceed 6.1 µg/dscm, corrected to 18 percent oxygen | Collecting the carbon flow rate data according to §63.9804(a); reducing the carbon flow rate data to 3-hour block averages according to §63.9804(a); maintaining the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated. |
| 13. Each existing affected kiln that is equipped with a DLA or no add-on control | a. The average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr); and b. The average Hg emissions must not exceed 18 µg/dscm, corrected to 18 percent oxygen | i. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; maintaining no VE from the stack. |
| 14. Each existing affected kiln that is equipped with a DIFF or DLS/FF | a. The average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr) | i. If you use a bag leak detection system, as prescribed in §63.9804(f), initiating corrective action within 1 hour of a bag leak detection system alarm AND completing corrective actions in accordance with the OM&M plan, AND operating and maintaining the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period; OR ii. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; maintaining no VE from the stack. |
| 15. Each existing affected kiln that is equipped with a wet scrubber | a. The average PM emissions must not exceed 4.3 kg/Mg (9.5 lb/hr); and b. The average Hg emissions must not exceed 18 µg/dscm, corrected to 18 percent oxygen | i. Maintaining the pressure drop across the scrubber and liquid flow rate at or above the minimum levels established during the most recent performance test. |
| 16. Each existing affected kiln that is equipped with an activated carbon injection system | The average Hg emissions must not exceed 18 µg/dscm, corrected to 18 percent oxygen | Collecting the carbon flow rate data according to §63.9804(a); reducing the carbon flow rate data to 3-hour block averages according to §63.9804(a); maintaining the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated. |
[86 FR 66084, Nov. 19, 2021]
Table 8 to Subpart SSSSS of Part 63 - Continuous Compliance with Operating Limits
As stated in §63.9810, you must show continuous compliance with the operating limits for affected sources according to the following table:
| For . . . | For the following operating limit . . . | You must demonstrate continuous compliance by . . . |
|---|---|---|
| 1. Each affected source listed in Table 2 to this subpart | a. Each applicable operating limit listed in Table 2 to this subpart | i. Maintaining all applicable process and control device operating parameters within the limits established during the most recent performance test; and ii. Conducting annually an inspection of all duct work, vents, and capture devices to verify that no leaks exist and that the capture device is operating such that all emissions are properly vented to the control device in accordance with the OM&M plan. |
| 2. Each affected continuous kiln used to manufacture refractory products that use organic HAP that is equipped with a THC control device | a. The operating limits specified in items 2.a. through 2.c. of Table 2 to this subpart | i. Operating the control device on the affected kiln during all times except during periods of approved scheduled maintenance, as specified in §63.9792(e); and ii. Before May 19, 2022, minimizing HAP emissions from the affected kiln during all periods of scheduled maintenance of the kiln control device when the kiln is operating and the control device is out of service; on and after May 19, 2022, minimizing HAP emissions during the period when the kiln is operating and the control device is out of service by complying with the applicable standard in Table 3 to this subpart; and iii. Minimizing the duration of all periods of scheduled maintenance of the kiln control device when the kiln is operating and the control device is out of service; on and after May 19, 2022, the total time during which the kiln is operating and the control device is out of service for the each year on a 12-month rolling basis must not exceed 750 hours. |
| 3. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP; each new or existing coking oven and defumer that is used to produce pitch-impregnated refractory products; each new shape preheater that is used to produce pitch-impregnated refractory products; AND each new or existing process unit that is exhausted to a thermal or catalytic oxidizer that also controls emissions from an affected shape preheater or pitch working tank | As specified in items 4 through 9 of this table | Satisfying the applicable requirements specified in items 4 through 9 of this table. |
| 4. Each affected continuous process unit | Maintain process operating parameters within the limits established during the most recent performance test | i. Recording the organic HAP processing rate (pounds per hour); and ii. Recording the operating temperature of the affected source at least hourly; and iii. Maintaining the 3-hour block average organic HAP processing rate at or below the maximum organic HAP processing rate established during the most recent performance test. |
| 5. Continuous process units that are equipped with a thermal oxidizer | Maintain the 3-hour block average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature established during the most recent performance test | i. Measuring and recording the thermal oxidizer combustion chamber temperature at least every 15 minutes; and ii. Calculating the hourly average thermal oxidizer combustion chamber temperature; and |
| iii. Maintaining the 3-hour block average thermal oxidizer combustion chamber temperature at or above the minimum allowable operating temperature established during the most recent performance test; and iv. Reporting, in accordance with §63.9814(e), any 3-hour block average operating temperature measurements below the minimum allowable thermal oxidizer combustion chamber operating temperature established during the most recent performance test. | ||
| 6. Continuous process units that are equipped with a catalytic oxidizer | a. Maintain the 3-hour block average temperature at the inlet of the catalyst bed at or above the minimum allowable catalyst bed inlet temperature established during the most recent performance test | i. Measuring and recording the temperature at the inlet of the catalyst bed at least every 15 minutes; and ii. Calculating the hourly average temperature at the inlet of the catalyst bed; and |
| iii. Maintaining the 3-hour block average temperature at the inlet of the catalyst bed at or above the minimum allowable catalyst bed inlet temperature established during the most recent performance test; and iv. Reporting, in accordance with §63.9814(e), any 3-hour block average catalyst bed inlet temperature measurements below the minimum allowable catalyst bed inlet temperature established during the most recent performance; and v. Checking the activity level of the catalyst at least every 12 months and taking any necessary corrective action, such as replacing the catalyst, to ensure that the catalyst is performing as designed. | ||
| 7. Each affected batch process unit | Maintain process operating parameters within the limits established during the most recent performance test | i. Recording the organic HAP processing rate (pounds per batch); and ii. Recording the hourly average operating temperature of the affected source; and iii. Recording the process cycle time for each batch cycle; and iv. Maintaining the organic HAP processing rate at or below the maximum organic HAP processing rate established during the most recent performance test. |
| 8. Batch process units that are equipped with a thermal oxidizer | Maintain the hourly average temperature in the thermal oxidizer combustion chamber at or above the hourly average temperature established for the corresponding 1-hour period of the cycle during the most recent performance test | i. Measuring and recording the thermal oxidizer combustion chamber temperature at least every 15 minutes; and ii. Calculating the hourly average thermal oxidizer combustion chamber temperature; and |
| iii. From the start of each batch cycle until 3 hours have passed since the process unit reached maximum temperature, maintaining the hourly average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature established for the corresponding period during the most recent performance test, as determined according to item 11 of Table 4 to this subpart; and iv. For each subsequent hour of the batch cycle, maintaining the hourly average operating temperature in the thermal oxidizer combustion chamber at or above the minimum allowable operating temperature established for the corresponding hour during the most recent performance test, as specified in item 13 of Table 4 to this subpart; and v. Reporting, in accordance with §63.9814(e), any temperature measurements below the minimum allowable thermal oxidizer combustion chamber temperature measured during the most recent performance test. | ||
| 9. Batch process units that are equipped with a catalytic oxidizer | Maintain the hourly average temperature at the inlet of the catalyst bed at or above the corresponding hourly average temperature established for the corresponding 1-hour period of the cycle during the most recent performance test | i. Measuring and recording temperatures at the inlet of the catalyst bed at least every 15 minutes; and ii. Calculating the hourly average temperature at the inlet of the catalyst bed; and |
| iii. From the start of each batch cycle until 3 hours have passed since the process unit reached maximum temperature, maintaining the hourly average operating temperature at the inlet of the catalyst bed at or above the minimum allowable bed inlet temperature established for the corresponding period during the most recent performance test, as determined according to item 12 of Table 4 to this subpart; and iv. For each subsequent hour of the batch cycle, maintaining the hourly average operating temperature at the inlet of the catalyst bed at or above the minimum allowable bed inlet temperature established for the corresponding hour during the most recent performance test, as specified in item 13 of Table 4 to this subpart; and v. Reporting, in accordance with §63.9814(e), any catalyst bed inlet temperature measurements below the minimum allowable bed inlet temperature measured during the most recent performance test; and vi. Checking the activity level of the catalyst at least every 12 months and taking any necessary corrective action, such as replacing the catalyst, to ensure that the catalyst is performing as designed. | ||
| 10. Each new kiln that is used to process clay refractory products | As specified in items 11 through 13 of this table | Satisfying the applicable requirements specified in items 11 through 13 of this table. |
| 11. Each new kiln that is equipped a DLA | a. Maintain the average pressure drop across the DLA for each 3-hour block period at or above the minimum pressure drop established during the most recent performance test | i. Collecting the DLA pressure drop data, as specified in item 18.a. of Table 4 to this subpart; and ii. Reducing the DLA pressure drop data to 1-hour and 3-hour block averages; and |
| iii. Maintaining the 3-hour block average pressure drop across the DLA at or above the minimum pressure drop established during the most recent performance test. | ||
| b. Maintain free-flowing limestone in the feed hopper, silo, and DLA | Verifying that the limestone hopper has an adequate amount of free-flowing limestone by performing a daily visual check of the limestone hopper. | |
| c. Maintain the limestone feeder setting at or above the level established during the most recent performance test | Recording the limestone feeder setting at least daily to verify that the feeder setting is being maintained at or above the level established during the most recent performance test. | |
| d. Use the same grade of limestone from the same source as was used during the most recent performance test | Using the same grade of limestone as was used during the most recent performance test and maintaining records of the source and grade of limestone. | |
| e. Maintain no VE from the stack | i. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; and ii. Maintaining no VE from the stack. | |
| 12. Each new kiln that is equipped with a DIFF or DLS/FF | a. Initiate corrective action within 1 hour of a bag leak detection system alarm and complete corrective actions in accordance with the OM&M plan; AND operate and maintain the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period | i. Initiating corrective action within 1 hour of a bag leak detection system alarm and completing corrective actions in accordance with the OM&M plan; and ii. Operating and maintaining the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period; in calculating this operating time fraction, if inspection of the fabric filter demonstrates that no corrective action is required, no alarm time is counted; if corrective action is required, each alarm shall be counted as a minimum of 1 hour; if you take longer than 1 hour to initiate corrective action, the alarm time shall be counted as the actual amount of time taken by you to initiate corrective action. |
| b. Maintain free-flowing lime in the feed hopper or silo at all times for continuous injection systems; AND maintain feeder setting at or above the level established during the most recent performance test for continuous injection systems | i. Verifying at least once each 8-hour shift that lime is free-flowing via a load cell, carrier gas/lime flow indicator, carrier gas pressure drop measurement system, or other system; recording all monitor or sensor output, and if lime is found not to be free flowing, promptly initiating and completing corrective actions; and ii. Recording the feeder setting once each day of operation to verify that the feeder setting is being maintained at or above the level established during the most recent performance test. | |
| 13. Each new kiln that is used to process clay refractory products and is equipped with a wet scrubber | a. Maintain the average pressure drop across the scrubber for each 3-hour block period at or above the minimum pressure drop established during the most recent performance test | i. Collecting the scrubber pressure drop data, as specified in item 20.a. of Table 4 to this subpart; and ii. Reducing the scrubber pressure drop data to 1-hour and 3-hour block averages; and |
| iii. Maintaining the 3-hour block average scrubber pressure drop at or above the minimum pressure drop established during the most recent performance test. | ||
| b. Maintain the average scrubber liquid pH for each 3-hour block period at or above the minimum scrubber liquid pH established during the most recent performance test | i. Collecting the scrubber liquid pH data, as specified in item 20.b. of Table 4 to this subpart; and ii. Reducing the scrubber liquid pH data to 1-hour and 3-hour block averages; and | |
| iii. Maintaining the 3-hour block average scrubber liquid pH at or above the minimum scrubber liquid pH established during the most recent performance test. | ||
| c. Maintain the average scrubber liquid flow rate for each 3-hour block period at or above the minimum scrubber liquid flow rate established during the most recent performance test | i. Collecting the scrubber liquid flow rate data, as specified in item 20.c. of Table 4 to this subpart; and ii. Reducing the scrubber liquid flow rate data to 1-hour and 3-hour block averages; and | |
| iii. Maintaining the 3-hour block average scrubber liquid flow rate at or above the minimum scrubber liquid flow rate established during the most recent performance test. | ||
| d. If chemicals are added to the scrubber liquid, maintain the average scrubber chemical feed rate for each 3-hour block period at or above the minimum scrubber chemical feed rate established during the most recent performance test | i. Collecting the scrubber chemical feed rate data, as specified in item 20.d. of Table 4 to this subpart; and ii. Reducing the scrubber chemical feed rate data to 1-hour and 3-hour block averages; and | |
| iii. Maintaining the 3-hour block average scrubber chemical feed rate at or above the minimum scrubber chemical feed rate established during the most recent performance test. | ||
| 14. Each new and existing affected kiln that is equipped with an activated carbon injection system | a. Maintain the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated | i. Collecting the carbon flow rate data, as specified in item 23 of Table 4 to this subpart; and ii. Reducing the carbon flow rate data to 3-hour block averages; and |
| iii. Maintaining the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated. | ||
| 15. Each existing affected kiln that is equipped with a DLA or no add-on control | a. Maintain no VE from the stack | i. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; and |
| ii. Maintaining no VE from the stack. | ||
| 16. Each existing affected kiln that is equipped with a FF | a. Maintain no VE from the stack; OR | i. Performing VE observations of the stack at the frequency specified in §63.9810(f) using EPA Method 22 of 40 CFR part 60, appendix A-7; and ii. Maintaining no VE from the stack. |
| b. Initiate corrective action within 1 hour of a bag leak detection system alarm and complete corrective actions in accordance with the OM&M plan; AND operate and maintain the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period | i. Initiating corrective action within 1 hour of a bag leak detection system alarm and completing corrective actions in accordance with the OM&M plan; and ii. Operating and maintaining the fabric filter such that the alarm does not engage for more than 5 percent of the total operating time in a 6-month block reporting period; in calculating this operating time fraction, if inspection of the fabric filter demonstrates that no corrective action is required, no alarm time is counted; if corrective action is required, each alarm shall be counted as a minimum of 1 hour; if you take longer than 1 hour to initiate corrective action, the alarm time shall be counted as the actual amount of time taken by you to initiate corrective action. | |
| 17. Each existing affected kiln that is equipped with a wet scrubber | a. Maintain the average pressure drop across the scrubber for each 3-hour block period at or above the minimum pressure drop established during the most recent performance test | i. Collecting the scrubber pressure drop data, as specified in item 25.a of Table 4 to this subpart; and ii. Reducing the scrubber pressure drop data to 1-hour and 3-hour block averages; and |
| iii. Maintaining the 3-hour block average scrubber pressure drop at or above the minimum pressure drop established during the most recent performance test. | ||
| b. Maintain the average scrubber liquid flow rate for each 3-hour block period at or above the minimum scrubber liquid flow rate established during the most recent performance test | i. Collecting the scrubber liquid flow rate data, as specified in item 25.b. of Table 4 to this subpart; and ii. Reducing the scrubber liquid flow rate data to 1-hour and 3-hour block averages; and | |
| iii. Maintaining the 3-hour block average scrubber liquid flow rate at or above the minimum scrubber liquid flow rate established during the most recent performance test. |
[86 FR 66087, Nov. 19, 2021]
Table 9 to Subpart SSSSS of Part 63 - Continuous Compliance With Work Practice Standards
As stated in §63.9810, you must show continuous compliance with the work practice standards for affected sources according to the following table:
| For . . . | For the following work practice standard . . . | You must demonstrate continuous compliance by . . . |
|---|---|---|
| 1. Each affected source listed in Table 3 to this subpart | Each applicable work practice requirement listed in Table 3 to this subpart | i. Performing each applicable work practice standard listed in Table 3 to this subpart; and ii. Maintaining records that document the method and frequency for complying with each applicable work practice standard listed in Table 3 to this subpart, as required by §§63.10(b) and 63.9816(c)(2). |
| 2. Each basket or container that is used for holding fired refractory shapes in an existing shape preheater and autoclave during the pitch impregnation process | Control POM emissions from any affected shape preheater | i. Controlling emissions from the volatilization of residual pitch by implementing one of the work practice standards listed in item 1 of Table 3 to this subpart; and ii. Recording the date and cleaning method each time you clean an affected basket or container. |
| 3. Each new or existing pitch working tank | Control POM emissions | Capturing and venting emissions from the affected pitch working tank to the control device that is used to control emissions from an affected defumer or coking oven, or to a thermal or catalytic oxidizer that is comparable to the control device used on an affected defumer or coking oven. |
| 4. Each new or existing chromium refractory products kiln | Minimize fuel-based HAP emissions | i. Before November 19, 2021, using natural gas, or equivalent, as the kiln fuel at all times except during periods of natural gas curtailment or supply interruption; on and after November 19, 2021, using natural gas, or equivalent, as the kiln fuel at all times; and ii. Before November 19, 2021, if you intend to use an alternative fuel, submitting a notification of alternative fuel use within 48 hours of the declaration of a period of natural gas curtailment or supply interruption, as defined in §63.9824; and iii. Before November 19, 2021, submitting a report of alternative fuel use within 10 working days after terminating the use of the alternative fuel, as specified in §63.9814(g). |
| 5. Each existing clay refractory products kiln | Minimize fuel-based HAP emissions | i. Before November 19, 2021, using natural gas, or equivalent, as the kiln fuel at all times except during periods of natural gas curtailment or supply interruption; on and after November 19, 2021, using natural gas, or equivalent, as the kiln fuel at all times; and ii. Before November 19, 2021, if you intend to use an alternative fuel, submitting a notification of alternative fuel use within 48 hours of the declaration of a period of natural gas curtailment or supply interruption, as defined in §63.9824; and iii. Before November 19, 2021, submitting a report of alternative fuel use within 10 working days after terminating the use of the alternative fuel, as specified in §63.9814(g). |
| 6. Each affected continuous kiln used to manufacture refractory products that use organic HAP that is equipped with an emission control device for THC | Minimize organic HAP emissions | i. Operating the control device at all times unless you receive Administrator approval to take the control device out of service for scheduled maintenance, as specified in §63.9792(e); and ii. Minimizing HAP emissions during the period when the kiln is operating and the control device is out of service as specified in item 5 of Table 3 to this subpart; and iii. On and after November 19, 2021, recording the actual hourly organic HAP processing rate for the kiln while the control device was out of service and the amount of product manufactured in the kiln while the control device was out of service; and iv. Recording the duration of each period when the kiln is operating and the control device is out of service and, on and after November 19, 2021, the total amount of time per year on a 12-month rolling basis that the kiln has operated and the control device has been out of service. |
| 7. Each new or existing curing oven, shape dryer, and kiln that is used to process refractory products that use organic HAP, on and after November 19, 2021 | Minimize fuel-based HAP emissions | Using natural gas, or equivalent, as the kiln fuel at all times. |
[86 FR 66091, Nov. 19, 2021]
Table 10 to Subpart SSSSS of Part 63 - Requirements for Reports
As stated in §63.9814, you must comply with the requirements for reports in the following table:
| You must submit a(n) . . . | The report must contain . . . | You must submit the report . . . |
|---|---|---|
| 1. Compliance report | The information in §63.9814(c) through (f) | Semiannually according to the requirements in §63.9814(a) through (f). |
| 2. Before May 19, 2022, immediate SSM report if you had a startup, shutdown, or malfunction during the reporting period that is not consistent with your SSMP, on and after May 19, 2022, immediate SSM report is not required | a. Actions taken for the event | By fax or telephone within 2 working days after starting actions inconsistent with the plan. |
| b. The information in §63.10(d)(5)(ii) | By letter within 7 working days after the end of the event unless you have made alternative arrangements with the permitting authority. | |
| 3. Before May 19, 2022, report of alternative fuel use | The information in §63.9814(g) and items 4 and 5 of Table 9 to this subpart | If you are subject to the work practice standard specified in item 3 or 4 of Table 3 to this subpart, and you use an alternative fuel in the affected kiln, by letter within 10 working days after terminating the use of the alternative fuel. |
| 4. Performance test report | The information in §63.7(g) | According to the requirements of §63.9814(h). |
| 5. CMS performance evaluation, as required for CEMS | The information in §63.7(g) | According to the requirements of §63.9814(i). |
Table 11 to Subpart SSSSS of Part 63 - Applicability of General Provisions to Subpart SSSSS
As stated in §63.9820, you must comply with the applicable General Provisions requirements according to the following table:
| Citation | Subject | Brief description | Applies to subpart SSSSS |
|---|---|---|---|
| §63.1 | Applicability | Yes. | |
| §63.2 | Definitions | Yes. | |
| §63.3 | Units and Abbreviations | Yes. | |
| §63.4 | Prohibited Activities | Compliance date; circumvention, severability | Yes. |
| §63.5 | Construction/Reconstruction | Applicability; applications; approvals | Yes. |
| §63.6(a) | Applicability | General Provisions (GP) apply unless compliance extension; GP apply to area sources that become major | Yes. |
| §63.6(b)(1)-(4) | Compliance Dates for New and Reconstructed Sources | Standards apply at effective date; 3 years after effective date; upon startup; 10 years after construction or reconstruction commences for section 112(f) | Yes. |
| §63.6(b)(5) | Notification | Yes. | |
| §63.6(b)(6) | [Reserved] | ||
| §63.6(b)(7) | Compliance Dates for New and Reconstructed Area Sources That Become Major | Area sources that become major must comply with major source standards immediately upon becoming major, regardless of whether required to comply when they were area sources | Yes. |
| §63.6(c)(1)-(2) | Compliance Dates for Existing Sources | Comply according to date in subpart, which must be no later than 3 years after effective date; for section 112(f) standards, comply within 90 days of effective date unless compliance extension | Yes. |
| §63.6(c)(3)-(4) | [Reserved] | ||
| §63.6(c)(5) | Compliance Dates for Existing Area Sources That Become Major | Area sources that become major must comply with major source standards by date indicated in subpart or by equivalent time period (for example, 3 years) | Yes. |
| §63.6(d) | [Reserved] | ||
| §63.6(e)(1)-(2) | Operation & Maintenance | Operate to minimize emissions at all times; correct malfunctions as soon as practicable; requirements independently enforceable; information Administrator will use to determine if operation and maintenance requirements were met; see §63.9792(b) for general duty requirement. | Yes before May 19, 2022. No on and after May 19, 2022. |
| §63.6(e)(3) | SSMP requirements | Yes before May 19, 2022. No on and after May 19, 2022. | |
| §63.6(f)(1) | Compliance Except During SSM | You must comply with emission standards at all times except during SSM | No. |
| §63.6(f)(2)-(3) | Methods for Determining Compliance | Compliance based on performance test, operation and maintenance plans, records, inspection | Yes. |
| §63.6(g)(1)-(3) | Alternative Standard | Procedures for getting an alternative standard. | Yes. |
| §63.6(h)(1)-(9) | Opacity/Visible Emission (VE) Standards | Not applicable. | |
| §63.6(i)(1)-(14) | Compliance Extension | Procedures and criteria for Administrator to grant compliance extension | Yes. |
| §63.6(j) | Presidential Compliance Exemption | President may exempt source category | Yes. |
| §63.7(a)(1)-(2) | Performance Test Dates | Dates for conducting initial performance testing and other compliance demonstrations; must conduct 180 days after first subject to rule | Yes. |
| §63.7(a)(3) | Section 114 Authority | Administrator may require a performance test under CAA section 114 at any time | Yes. |
| §63.7(b)(1) | Notification of Performance Test | Must notify Administrator 60 days before the test | Yes. |
| §63.7(b)(2) | Notification of Rescheduling | Must notify Administrator 5 days before scheduled date and provide rescheduled date | Yes. |
| §63.7(c) | Quality Assurance/Test Plan | Requirements; test plan approval procedures; performance audit requirements; internal and external QA procedures for testing | Yes. |
| §63.7(d) | Testing Facilities | Yes. | |
| §63.7(e)(1) | Conditions for Conducting Performance Tests | See §63.9800. | No, §63.9800 specifies requirements. |
| §63.7(e)(2) | Conditions for Conducting Performance Tests | Must conduct according to subpart and EPA test methods unless Administrator approves alternative | Yes. |
| §63.7(e)(3) | Test Run Duration | Must have three test runs of at least 1 hour each; compliance is based on arithmetic mean of three runs; conditions when data from an additional test run can be used | Yes; Yes, except where specified in §63.9800 for batch process sources; Yes. |
| §63.7(f) | Alternative Test Method | Yes. | |
| §63.7(g) | Performance Test Data Analysis | Yes, except this subpart specifies how and when the performance test and performance evaluation results are reported. | |
| §63.7(h) | Waiver of Test | Yes. | |
| §63.8(a)(1) | Applicability of Monitoring Requirements | Yes. | |
| §63.8(a)(2) | Performance Specifications | Performance Specifications in appendix B of 40 CFR part 60 apply | Yes. |
| §63.8(a)(3) | [Reserved] | ||
| §63.8(a)(4) | Monitoring with Flares | Not applicable. | |
| §63.8(b)(1) | Monitoring | Must conduct monitoring according to standard unless Administrator approves alternative | Yes. |
| §63.8(b)(2)-(3) | Multiple Effluents and Multiple Monitoring Systems | Specific requirements for installing and reporting on monitoring systems | Yes. |
| §63.8(c)(1) | Continuous Monitoring System Operation and Maintenance | Maintenance consistent with good air pollution control practices | Yes before May 19, 2022. No on and after May 19, 2022. |
| §63.8(c)(2)-(3) | Monitoring System Installation | Must install to get representative emission and parameter measurements | Yes. |
| §63.8(c)(4) | CMS Requirements | No, §63.9808 specifies requirements. | |
| §63.8(c)(5) | COMS Minimum Procedures | Not applicable. | |
| §63.8(c)(6) | CMS Requirements | Applies only to sources required to install and operate a THC CEMS. | |
| §63.8(c)(7)(i)(A) | CMS Requirements | Applies only to sources required to install and operate a THC CEMS. | |
| §63.8(c)(7)(i)(B) | CMS Requirements | Applies only to sources required to install and operate a THC CEMS. | |
| §63.8(c)(7)(i)(C) | CMS Requirements | Not applicable. | |
| §63.8(c)(7)(ii) | CMS Requirements | Corrective action required when CMS is out of control | Yes. |
| §63.8(c)(8) | CMS Requirements | Yes. | |
| §63.8(d)(1) and (2) | CMS Quality Control | Yes. | |
| §63.8(d)(3) | Written procedures for CMS | No, §63.9794(a)(8) specifies requirements. | |
| §63.8(e) | CMS Performance Evaluation | Applies only to sources required to install and operate a THC CEMS, except this subpart specifies how and when the performance evaluation results are reported. | |
| §63.8(f)(1)-(5) | Alternative Monitoring Method | Yes. | |
| §63.8(f)(6) | Alternative to Relative Accuracy Test | Yes. | |
| §63.8(g) | Data Reduction | Applies only to sources required to install and operate a THC CEMS. | |
| §63.9(a) | Notification Requirements | Yes. | |
| §63.9(b)(1)-(5) | Initial Notifications | Yes. | |
| §63.9(c) | Request for Compliance Extension | Yes. | |
| §63.9(d) | Notification of Special Compliance Requirements for New Source | Yes. | |
| §63.9(e) | Notification of Performance Test | Notify Administrator 60 days prior | Yes. |
| §63.9(f) | Notification of VE/Opacity Test | Not applicable. | |
| §63.9(g) | Additional Notifications When Using CMS | Applies only to sources required to install and operate a THC CEMS. | |
| §63.9(h) | Notification of Compliance Status | Yes. | |
| §63.9(i) | Adjustment of Submittal Deadlines | Yes. | |
| §63.9(j) | Change in Previous Information | Yes. | |
| §63.9(k) | Notifications | Electronic reporting procedures | Yes, only as specified in §63.9(j). |
| §63.10(a) | Recordkeeping/Reporting | Yes. | |
| §63.10(b)(1) | General Recordkeeping Requirements | Yes. | |
| §63.10(b)(2)(i)-(ii) | Recordkeeping of Occurrence and Duration of Startups and Shutdowns and Failures to Meet Standards | See §63.9816 | Yes before May 19, 2022. No on and after May 19, 2022. |
| §63.10(b)(2)(iii) | Recordkeeping Relevant to Maintenance of Air Pollution Control and Monitoring Equipment | Yes. | |
| §63.10(b)(2)(iv)-(v) | Actions Taken to Minimize Emissions during SSM | Yes before May 19, 2022. No on and after May 19, 2022. | |
| §63.10(b)(2)(vi) | Recordkeeping for CMS Malfunctions | See §63.9816(c)(5) | Yes before May 19, 2022. No on and after May 19, 2022. |
| §63.10(b)(2)(vii)-(xi) | Records | Measurements to demonstrate compliance with emission limitations; performance test, performance evaluation, and visible emission observation results; measurements to determine conditions of performance tests and performance evaluations | Yes. |
| §63.10(b)(2)(xii) | Records | Records when under waiver | Yes. |
| §63.10(b)(2)(xiii) | Records | Records when using alternative to relative accuracy test | Not applicable. |
| §63.10(b)(2)(xiv) | Records | All documentation supporting Initial Notification and Notification of Compliance Status | Yes. |
| §63.10(b)(3) | Records | Applicability Determinations | Yes. |
| §63.10(c)(1), (c)(5)-(6) | Additional Records for CMS | Yes. | |
| §63.10(c)(2)-(4) | Records | Additional Records for CMS | Not applicable. |
| §63.10(c)(7)-(8) | Records of excess emissions and parameter monitoring exceedances for CMS | §63.9816 specifies requirements. | No. |
| §63.10(c)(9) | Records | Additional Records for CMS | Not applicable. |
| §63.10(c)(10)-(14) | Additional Records for CMS | Yes. | |
| §63.10(c)(15) | Records Regarding the SSMP | Yes before May 19, 2022. No on and after May 19, 2022. | |
| §63.10(d)(1) | General Reporting Requirements | Requirements for reporting | Yes. |
| §63.10(d)(2) | Report of Performance Test Results | When to submit to Federal or State authority | No. This subpart specifies how and when the performance test results are reported. |
| §63.10(d)(3) | Reporting Opacity or VE Observations | Not applicable. | |
| §63.10(d)(4) | Progress Reports | Must submit progress reports on schedule if under compliance extension | Yes. |
| §63.10(d)(5) | SSM Reports | Contents and submission See §63.9814 (d) and (e) for malfunction reporting requirements. | Yes before May 19, 2022. No on and after May 19, 2022. |
| §63.10(e)(1)-(2) | Additional CMS Reports | Applies only to sources required to install and operate a THC CEMS, except this subpart specifies how and when the performance evaluation results are reported. | |
| §63.10(e)(3) | Reports | No, §63.9814 specifies requirements. | |
| §63.10(e)(4) | Reporting COMS data | Not applicable. | |
| §63.10(f) | Waiver for Recordkeeping/Reporting | Yes. | |
| §63.11 | Flares | Not applicable. | |
| §63.12 | Delegation | Yes. | |
| §63.13 | Addresses | Yes. | |
| §63.14 | Incorporation by Reference | Yes. | |
| §63.15 | Availability of Information and Confidentiality | Yes. | |
| §63.16 | Performance Track Provisions | Yes. |
[85 FR 73918, Nov.19, 2020; 86 FR 66092, Nov. 19, 2021]
Source: 68 FR 18747, Apr. 16, 2003, unless otherwise noted.
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