['Air Programs']
['Hazardous Air Pollutants']
05/05/2022
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As required in §63.7114, you must demonstrate initial compliance with each emission limitation that applies to you, according to the following table.
| For . . . | For the following emission limit . . . | You have demonstrated initial compliance, if after following the requirements in §63.7112 . . . |
|---|---|---|
| 1. All new or existing lime kilns and their associated lime coolers (kilns/coolers) | PM emissions must not exceed 0.12 lb/tsf for all existing kilns/coolers with dry controls, 0.60 lb/tsf for existing kilns/coolers with wet scrubbers, 0.10 lb/tsf for all new kilns/coolers, or a weighted average calculated according to Eq. 3 in §63.7112 | The kiln outlet PM emissions (and if applicable, summed with the separate cooler PM emissions), based on the PM emissions measured using Method 5 in appendix A to part 60 of this chapter and the stone feed rate measurement over the period of initial performance test, do not exceed the emission limit; if the lime kiln is controlled by an FF or ESP and you are opting to monitor PM emissions with a BLDS or PM detector, you have installed and are operating the monitoring device according to the requirements in §63.7113(d) or (e), respectively; and if the lime kiln is controlled by an FF or ESP and you are opting to monitor PM emissions using a COMS, you have installed and are operating the COMS according to the requirements in §63.7113(g). |
| 2. Stack emissions from all PHS operations at a new or existing affected source | PM emissions must not exceed 0.05 g/dscm | The outlet PM emissions, based on Method 5 or Method 17 in appendix A to part 60 of this chapter, over the period of the initial performance test do not exceed 0.05 g/dscm; and if the emission unit is controlled with a wet scrubber, you have a record of the scrubber's pressure drop and liquid flow rate operating parameters over the 3-hour performance test during which emissions did not exceed the emissions limitation. |
| 3. Stack emissions from all PSH operations at a new or existing affected source, unless the stack emissions are discharged through a wet scrubber control device | Emissions must not exceed 7 percent opacity | Each of the thirty 6-minute opacity averages during the initial compliance period, using Method 9 in appendix A to part 60 of this chapter, does not exceed the 7 percent opacity limit. At least thirty 6-minute averages must be obtained. |
| 4. Fugitive emissions from all PSH operations at a new or existing affected source | Emissions must not exceed 10 percent opacity | Each of the 6-minute opacity averages during the initial compliance period, using Method 9 in appendix A to part 60 of this chapter, does not exceed the 10 percent opacity limit. |
| 5. All PSH operations at a new or existing affected source, enclosed in building | All of the individually affected PSH operations must comply with the applicable PM and opacity emission limitations for items 2 through 4 of this Table 4, or the building must comply with the following: There must be no VE from the building, except from a vent, and vent emissions must not exceed the emission limitations in items 2 and 3 of this Table 4 | All the PSH operations enclosed in the building have demonstrated initial compliance according to the applicable requirements for items 2 through 4 of this Table 4; or if you are complying with the building emission limitations, there are no VE from the building according to item 18 of Table 5 to this subpart and §63.7112(k), and you demonstrate initial compliance with applicable building vent emissions limitations according to the requirements in items 2 and 3 of this Table 4. |
| 6. Each FF that controls emissions from only an individual storage bin | Emissions must not exceed 7 percent opacity | Each of the ten 6-minute averages during the 1-hour initial compliance period, using Method 9 in appendix A to part 60 of this chapter, does not exceed the 7 percent opacity limit. |
| 7. Each set of multiple storage bins with combined stack emissions | You must comply with emission limitations in items 2 and 3 of this Table 4 | You demonstrate initial compliance according to the requirements in items 2 and 3 of this Table 4. |
[85 FR 44983, July 24, 2020]
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