Federal & State Regulations | Subpart HHHHHHH - National Emission Standards for Hazardous Air Pollutant Emissions for Polyvinyl Chloride and Copolymers Production

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Table 1 to Subpart HHHHHHH of Part 63 - Emission Limits and Standards for Existing Affected Sources

For this type of emission point . . .	And for this air pollutant . . .	And for an affected source producing this type of PVC resin . . .	You must meet this emission limit . . .
^a Emission limits at 3 percent oxygen, dry basis. ^b Total organic HAP is alternative compliance limit for THC.
1. PVC-only process vents ^a	a. Vinyl chloride	All resin types	6.0 parts per million by volume (ppmv).
	b. Total hydrocarbons	All resin types	9.7 ppmv measured as propane.
	c. Total organic HAP ^b	All resin types	56 ppmv.
	d. Hydrogen chloride	All resin types	78 ppmv.
	e. Dioxins/furans (toxic equivalency basis)	All resin types	0.038 nanograms per dry standard cubic meter (ng/dscm).
2. PVC-combined process vents ^a	a. Vinyl chloride	All resin types	1.1 ppmv.
	b. Total hydrocarbons	All resin types	4.2 ppmv measured as propane.
	c. Total organic HAP ^b	All resin types	9.8 ppmv.
	d. Hydrogen chloride	All resin types	380 ppmv.
	e. Dioxins/furans (toxic equivalency basis)	All resin types	0.051 ng/dscm.
3. Stripped resin	a. Vinyl chloride	i. Bulk resin	7.1 parts per million by weight (ppmw).
		ii. Dispersion resin	1300 ppmw.
		iii. Suspension resin	37 ppmw.
		iv. Suspension blending resin	140 ppmw.
		v. Copolymer resin	790 ppmw.
	b. Total non-vinyl chloride organic HAP	i. Bulk resin	170 ppmw.
		ii. Dispersion resin	240 ppmw.
		iii. Suspension resin	670 ppmw.
		iv. Suspension blending resin	500 ppmw.
		v. Copolymer resin	1900 ppmw.
4. Process Wastewater	a. Vinyl chloride	All resin types	6.8 ppmw.
	b. Total non-vinyl chloride organic HAP	All resin types	110 ppmw.

Table 2 to Subpart HHHHHHH of Part 63 - Emission Limits and Standards for New Affected Sources

For this type of emission point . . .	And for this air pollutant . . .	And for an affected source producing this type of PVC resin . . .	You must meet this emission limit . . .
^a Emission limits at 3 percent oxygen, dry basis. ^b Total organic HAP is alternative compliance limit for THC.
1. PVC-only process vents ^a	a. Vinyl chloride	All resin types	0.56 ppmv.
	b. Total hydrocarbons	All resin types	7.0 ppmv measured as propane.
	c. Total organic HAP ^b	All resin types	5.5 ppmv.
	d. Hydrogen chloride	All resin types	0.17 ppmv.
	e. Dioxins/furans (toxic equivalency basis)	All resin types	0.038 ng/dscm.
2. PVC-combined process vents ^a	a. Vinyl chloride	All resin types	0.56 ppmv.
	b. Total hydrocarbons	All resin types	2.3 ppmv measured as propane.
	c. Total organic HAP ^b	All resin types	5.5 ppmv.
	d. Hydrogen chloride	All resin types	1.4 ppmv.
	e. Dioxins/furans (toxic equivalency basis)	All resin types	0.034 nanograms per dry standard cubic meter (ng/dscm).
3. Stripped resin	a. Vinyl chloride	i. Bulk resin	7.1 parts per million by weight (ppmw).
		ii. Dispersion resin	480 ppmw.
		iii. Suspension resin	7.3 ppmw.
		iv. Suspension blending resin	140 ppmw.
		v. Copolymer - all resin types	790 ppmw.
	b. Total non-vinyl chloride organic HAP	i. Bulk resin	170 ppmw.
		ii. Dispersion resin	66 ppmw.
		iii. Suspension resin	15 ppmw.
		iv. Suspension blending resin	500 ppmw.
		v. Copolymer resin	1900 ppmw.
4. Process Wastewater	a. Vinyl chloride	All resin types	0.28 ppmw.
	b. Total non-vinyl chloride organic HAP	All resin types	0.018 ppmw.

Table 3 to Subpart HHHHHHH of Part 63 - Summary of Control Requirements for Storage Vessels at New and Existing Sources

If the storage vessel capacity (gallons) is . . .	And the vapor pressure ^a (psia) is . . .	Then, you must use the following type of storage vessel . . .
^a Maximum true vapor pressure of total HAP at storage temperature. ^b If using a fixed roof storage vessel vented to a closed vent system and control device, you must meet the requirements in §63.11910(a) for fixed roof storage vessels. If using an internal floating roof storage vessel or external floating roof storage vessels, you must meet the requirements in §63.11910(b) for internal floating roof storage vessels or external floating roof storage vessels, as applicable. ^c Meeting the requirements of §63.11910(c) for pressure vessels. ^d Meeting the requirements in §63.11910(a) for fixed roof storage vessels.
≥20,000 but <40,000	≥4	Internal floating roof, external floating roof, or fixed roof vented to a closed vent system and control device achieving 95 percent reduction. ^b
≥40,000	≥0.75	Internal floating roof, external floating roof, or fixed roof vented to a closed vent system and control device achieving 95 percent reduction. ^b
Any capacity.	>11.1	Pressure vessel. ^c
All other capacity and vapor pressure combinations		Fixed roof. ^d

Table 4 to Subpart HHHHHHH of Part 63 - Applicability of the General Provisions to Part 63

Citation	Subject	Applies to subpart HHHHHHH	Comment
§63.1(a)(1)-(a)(4), (a)(6), (a)(10)-(a)(12), (b)(1), (b)(3), (c)(1), (c)(2), (c)(5), (c)(6), (e)	Applicability	Yes
§63.1(a)(5), (a)(7)-(a)(9), (b)(2), (c)(3), (c)(4), (d)	[Reserved]	No.
§63.2	Definitions	Yes	Additional definitions are found in §63.12005.
§63.3	Units and abbreviations	Yes.
§63.4(a)(1), (a)(2), (b), (c)	Prohibited activities and circumvention	Yes.
§63.4(a)(3)-(a)(5)	[Reserved]	No.
§63.5(a), (b)(1), (b)(3), (b)(4), (b)(6), (d)-(f)	Preconstruction review and notification requirements	Yes.
§63.5(b)(2), (b)(5), (c)	[Reserved]	No.
§63.6(a), (b)(1)-(b)(5), (b)(7), (c)(1), (c)(2), (c)(5), (e)(1)(iii), (f)(2), (f)(3), (g), (i), (j)	Compliance with standards and maintenance requirements	Yes	§63.11875 specifies compliance dates.
§63.6(b)(6), (c)(3), (c)(4), (d), (e)(2), (e)(3)(ii), (h)(2)(ii), (h)(3), (h)(5)(iv)	[Reserved]	No
§63.6(e)(1)(i), (e)(1)(ii), (e)(3), (f)(1)	Startup, shutdown, and malfunction provisions	No. See §63.11890(b) for general duty requirement
§63.6(h)(1), (h)(2)(i), (h)(2)(iii), (h)(4), (h)(5)(i)-(h)(5)(iii), (h)(5)(v), (h)(6)-(h)(9)	Compliance with opacity and visible emission standards	No	Subpart HHHHHHH does not specify opacity or visible emission standards.
§63.7(a)(1), (a)(2), (a)(3), (a)(4), (b)-(d), (e)(2)-(e)(4), (f), (g)(1), (g)(3), (h)	Performance testing requirements	Yes.
§63.7(a)(2)(i)-(viii)	[Reserved]	No.
§63.7(a)(2)(ix)	Performance testing requirements	Yes.
§63.7(e)(1)	Performance testing	No. See especially §63.11945, 63.11960(d), 63.11980(a)
§63.7(g)(2)	[Reserved]	No.
§63.8(a)(1), (a)(2), (a)(4), (b), (c)(1)(i), (c)(1)(ii), (c)(2)-(c)(4), (c)(6)-(c)(8)	Monitoring requirements	Yes	Except cross reference in §63.8(c)(1)(i) to §63.6(e)(1) is replaced with a cross-reference to §63.11890(b).
§63.8(a)(3)	[Reserved]	No.
§63.8(c)(1)(iii)	Requirement to develop SSM plan for continuous monitoring systems	No.
§63.8(c)(5)	Continuous opacity monitoring system minimum procedures	No	Subpart HHHHHHH does not have opacity or visible emission standards.
§63.8(d)	Written procedures for continuous monitoring systems	Yes, except for last sentence, which refers to an SSM plan. SSM plans are not required
§63.8(e)	Continuous monitoring systems performance evaluation	Yes.
§63.8(f)	Use of an alternative monitoring method	Yes.
§63.8(g)	Reduction of monitoring data	Yes	Except that the minimum data collection requirements are specified in §63.11935(e).
§63.9(a), (b)(1), (b)(2), (b)(4)(i), (b)(4)(v), (b)(5), (c)-(e), (g)(1), (g)(3), (h)(1)-(h)(3), (h)(5), (h)(6), (i), (j)	Notification requirements	Yes.
§63.9(f)	Notification of opacity and visible emission observations	No	Subpart HHHHHHH does not have opacity or visible emission standards.
§63.9(g)(2)	Use of continuous opacity monitoring system data	No	Subpart HHHHHHH does not require the use of continuous opacity monitoring system.
§63.9(b)(3), (b)(4)(ii)-(iv), (h)(4)	[Reserved]	No.
§63.9(k)	Electronic reporting procedures	Yes	Only as specified in §63.9(j).
§63.10(a), (b)(1)	Recordkeeping and reporting requirements	Yes.
§63.10(b)(2)(i)	Recordkeeping of occurrence and duration of startups and shutdowns	No.
§63.10(b)(2)(ii)	Recordkeeping of malfunctions	No. See §§63.11895(b), 63.11985(b)(4)(i), 63.11985(b)(9) through (11), and 63.11985(c)(7)
§63.10(b)(2)(iii)	Maintenance records	Yes.
§63.10(b)(2)(iv), (b)(2)(v)	Actions taken to minimize emissions during SSM	No.
§63.10(b)(2)(vi)	Recordkeeping for CMS malfunctions	Yes.
§63.10(b)(2)(vii)-(x)	Other CMS requirements	Yes.
§63.10(b)(2)(xi)-(xiv)	Other recordkeeping requirements	Yes.
§63.10(b)(3)	Recordkeeping requirement for applicability determinations	Yes.
§63.10(c)(1), (c)(5), (c)(6)	Additional recordkeeping requirements for sources with continuous monitoring systems	Yes.
§63.10(c)(2)-(4), (c)(9)	[Reserved]	No.
§63.10(c)(7)	Additional recordkeeping requirements for CMS - identifying exceedances and excess emissions during SSM	Yes.
§63.10(c)(8)	Additional recordkeeping requirements for CMS - identifying exceedances and excess emissions	Yes.
§63.10(c)(10)	Recording nature and cause of malfunctions	No. See §§63.11895(b), 63.11985(b)(4)(i), 63.11985(b)(9) through (11), and 63.11985(c)(7)
§63.10(c)(11), (c)(12)	Recording corrective actions	No. See §§63.11895(b), 63.11985(b)(4)(i), 63.11985(b)(9) through (11), and 63.11985(c)(7)
§63.10(c)(13)-(14)	Records of the total process operating time during the reporting period and procedures that are part of the continuous monitoring system quality control program	Yes.
§63.10(c)(15)	Use SSM plan	No.
§63.10(d)(1)	General reporting requirements	Yes.
§63.10(d)(2)	Performance test results	Yes.
§63.10(d)(3)	Opacity or visible emissions observations	No	Subpart HHHHHHH does not specify opacity or visible emission standards.
§63.10(d)(4)	Progress reports	Yes.
§63.10(d)(5)	SSM reports	No. See §§63.11895(b), 63.11985(b)(4)(i), 63.11985(b)(9) through (11), and 63.11985(c)(7)
§63.10(e)(1)	Additional continuous monitoring system reports - general	Yes.
§63.10(e)(2)(i)	Results of continuous monitoring system performance evaluations	Yes.
§63.10(e)(2)(ii)	Results of continuous opacity monitoring system performance evaluations	No	Subpart HHHHHHH does not require the use of continuous opacity monitoring system.
§63.10(e)(3)	Excess emissions/continuous monitoring system performance reports	Yes.
§63.10(e)(4)	Continuous opacity monitoring system data reports	No	Subpart HHHHHHH does not require the use of continuous opacity monitoring system.
§63.10(f)	Recordkeeping/reporting waiver	Yes.
63.11(a)	Control device and work practice requirements - applicability	Yes.
§63.11(b)	Flares	No	Facilities subject to subpart HHHHHHH do not use flares as control devices, as specified in §63.11925(b).
§63.11(c)-(e)	Alternative work practice for monitoring equipment for leaks	Yes.
§63.12	State authority and delegations	Yes	§63.12000 identifies types of approval authority that are not delegated.
§63.13	Addresses	Yes.
§63.14	Incorporations by reference	Yes	Subpart HHHHHHH incorporates material by reference.
§63.15	Availability of information and confidentiality	Yes.
§63.16	Performance track provisions	Yes.

Table 5 to Subpart HHHHHHH of Part 63 - Operating Parameters, Operating Limits and Data Monitoring, Recording and Compliance Frequencies for Process Vents

For these control devices, you must monitor these operating parameters . . .	Establish the following operating limit during your initial performance test . . .	Monitor, record, and demonstrate continuous compliance using these minimum frequencies
		Data measurement	Data recording	Data averaging period for compliance
Process Vents
Any Control device
Flow to/from the control device	N/A	Continuous	N/A	Date and time of flow start and stop.
Thermal Oxidizers
Temperature (in fire box or downstream ductwork prior to heat exchange)	Minimum temperature	Continuous	Every 15 minutes	3-hour block average.
Temperature differential across catalyst bed	Minimum temperature differential	Continuous	Every 15 minutes	3-hour block average.
Inlet temperature to catalyst bed and catalyst condition	Minimum inlet temperature and catalyst condition as specified in 63.11940(b)(3)	Continuous for temperature, annual for catalyst condition	Every 15 minutes for temperature, annual for catalyst condition	3-hour block average for temperature, annual for catalyst condition.
Absorbers and Acid Gas Scrubbers
Influent liquid flow	Minimum inlet liquid flow	Continuous	Every 15 minutes	3-hour block average.
Influent liquid flow and gas stream flow	Minimum influent liquid flow to gas stream flow ratio	Continuous	Every 15 minutes	3-hour block average.
Pressure drop	Minimum pressure drop	Continuous	Every 15 minutes	3-hour block average.
Exhaust gas temperature	Maximum exhaust gas temperature	Continuous	Every 15 minutes	3-hour block average.
Change in specific gravity of scrubber liquid	Minimum change in specific gravity	Continuous	Every 15 minutes	3-hour block average.
pH of effluent liquid	Minimum pH	Continuous	Every 15 minutes	3-hour block average.
Causticity of effluent liquid	Minimum causticity	Continuous	Every 15 minutes	3-hour block average.
Conductivity of effluent liquid	Minimum conductivity	Continuous	Every 15 minutes	3-hour block average.
Regenerative Adsorber
Regeneration stream flow.	Minimum total flow per regeneration cycle	Continuous	N/A	Total flow for each regeneration cycle.
Adsorber bed temperature.	Maximum temperature	Continuously after regeneration and within 15 minutes of completing any temperature regulation	Every 15 minutes after regeneration and within 15 minutes of completing any temperature regulation	3-hour block average.
Adsorber bed temperature.	Minimum temperature	Continuously during regeneration except during any temperature regulating portion of the regeneration cycle	N/A	Average of regeneration cycle.
Vacuum and duratio of regeneration	Minimum vacuum and period of time for regeneration	Continuous	N/A	Average vacuum and duration of regeneration.
Regeneration frequency	Minimum regeneration frequency and duration	Continuous	N/A	Date and time of regeneration start and stop.
Adsorber operation valve sequencing and cycle time	Correct valve sequencing and minimum cycle time	Daily	Daily	N/A.
Non-Regenerative Adsorber
Average adsorber bed life.	N/A	Daily until breakthrough for 3 adsorber bed change-outs	N/A	N/A.
Outlet VOC concentration of the first adsorber bed in series	Limits in Table 1 or 2 of this subpart	Daily, except monthly (if more than 2 months bed life remaining) or weekly (if more than 2 weeks bed life remaining)	N/A	Daily, weekly, or monthly.
Condenser
Temperature	Maximum outlet temperature	Continuous	Every 15 minutes	3-hour block average.

Table 6 to Subpart HHHHHHH of Part 63 - Toxic Equivalency Factors

Dioxin/furan congener	Toxic equivalency factor
2,3,7,8-tetrachlorodibenzo-p-dioxin	1
1,2,3,7,8-pentachlorodibenzo-p-dioxin	1
1,2,3,4,7,8-hexachlorodibenzo-p-dioxin	0.1
1,2,3,7,8,9-hexachlorodibenzo-p-dioxin	0.1
1,2,3,6,7,8-hexachlorodibenzo-p-dioxin	0.1
1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin	0.01
octachlorodibenzo-p-dioxin	0.0003
2,3,7,8-tetrachlorodibenzofuran	0.1
2,3,4,7,8-pentachlorodibenzofuran	0.3
1,2,3,7,8-pentachlorodibenzofuran	0.03
1,2,3,4,7,8-hexachlorodibenzofuran	0.1
1,2,3,6,7,8-hexachlorodibenzofuran	0.1
1,2,3,7,8,9-hexachlorodibenzofuran	0.1
2,3,4,6,7,8-hexachlorodibenzofuran	0.1
1,2,3,4,6,7,8-heptachlorodibenzofuran	0.01
1,2,3,4,7,8,9-heptachlorodibenzofuran	0.01
Octachlorodibenzofuran	0.0003

Table 7 to Subpart HHHHHHH of Part 63 - Calibration and Accuracy Requirements for Continuous Parameter Monitoring Systems

If you monitor this parameter . . .	Then your accuracy requirements are . . .	And your inspection/calibration frequency requirements are . . .
1. Temperature (non-cryogenic temperature ranges).	±1 percent of temperature measured or 2.8 degrees Celsius (5 degrees Fahrenheit) whichever is greater	Every 12 months.
2. Temperature (cryogenic temperature ranges).	±2.5 percent of temperature measured or 2.8 degrees Celsius (5 degrees Fahrenheit) whichever is greater	Every 12 months.
3. Liquid flow rate	±2 percent of the normal range of flow	a. Every 12 months. b. You must select a measurement location where swirling flow or abnormal velocity distributions due to upstream and downstream disturbances at the point of measurement do not exist.
4. Gas flow rate	±5 percent of the flow rate or 10 cubic feet per minute, whichever is greater	a. Every 12 months. b. Check all mechanical connections for leakage at least annually. c. At least annually, conduct a visual inspection of all components of the flow CPMS for physical and operational integrity and all electrical connections for oxidation and galvanic corrosion if your flow CPMS is not equipped with a redundant flow sensor.
5. pH or caustic strength	±0.2 pH units	Every 8 hours of process operation check the pH or caustic strength meter's calibration on at least two points.
6. Conductivity	±5 percent of normal range	Every 12 months.
7. Mass flow rate	±5 percent of normal range	Every 12 months.
8. Pressure	±5 percent or 0.12 kilopascals (0.5 inches of water column) whichever is greater	a. Calibration is required every 12 months. b. Check all mechanical connections for leakage at least annually. c. At least annually perform a visual inspection of all components for integrity, oxidation and galvanic corrosion if CPMS is not equipped with a redundant pressure sensor.

Table 8 to Subpart HHHHHHH of Part 63 - Methods and Procedures for Conducting Performance Tests for Process Vents

For each control device used to meet the emission limit in Table 1 or 2 to this subpart for the following pollutant . . .	You must . . .	Using . . .
^a Incorporated by reference, see §63.14.
1. Total hydrocarbons	a. Measure the total hydrocarbon concentration at the outlet of the final control device or in the stack	Method 25A at 40 CFR part 60, appendix A-7. Conduct each test run for a minimum of 1 hour.
2. Total organic HAP	a. Measure the total organic HAP concentration at the outlet of the final control device or in the stack	i. Method 18 at 40 CFR part 60, appendix A-6 and ASTM D6420-99. ^a Conduct each test run for a minimum of 1 hour. ii. Method 320 at 40 CFR part 63, appendix A and ASTM D6348-03. ^a Conduct each test run for a minimum of 1 hour.
3. Vinyl chloride	a. Measure the vinyl chloride concentration at the outlet of the final control device or in the stack	Method 18 at 40 CFR part 60, appendix A-6. Conduct each test run for a minimum of 1 hour.
4. Hydrogen chloride	a. Measure hydrogen chloride concentrations at the outlet of the final control device or in the stack	i. Method 26 at 40 CFR part 60, appendix A-8, collect 60 dry standard liters of gas per test run; or ii. Method 26A at 40 CFR part 60, appendix A-8, collect 1 dry standard cubic meter of gas per test run.
5. Dioxin/furan	a. Measure dioxin/furan concentrations on a toxic equivalency basis (and report total mass per isomer) at the outlet of the final control device or in the stack	Method 23 at 40 CFR part 60, appendix A-7 and collect 5 dry standard cubic meters of gas per test run.
6. Any pollutant from a continuous, batch, or combination of continuous and batch process vent(s)	a. Select sampling port locations and the number of traverse points	Method 1 or 1A at 40 CFR part 60, appendix A-1.
	b. Determine gas velocity and volumetric flow rate	Method 2, 2A, 2C, 2D, 2F, or 2G at 40 CFR part 60, appendix A-1 and A-2.
	c. Conduct gas molecular weight analysis and correct concentrations the specified percent oxygen in Table 1 or 2 to this subpart	Method 3, 3A, or 3B at 40 CFR part 60, appendix A-2 using the same sampling site and time as HAP samples.
	d. Measure gas moisture content	Method 4 at 40 CFR part 60, appendix A-3.

Table 9 to Subpart HHHHHHH of Part 63 - Procedures for Conducting Sampling of Stripped Resin and Process Wastewater

For demonstrating . . .	For the following emission points and types of processes . . .	Collect samples according to the following schedule . . .
For demonstrating . . .		Vinyl chloride . . .	Total non-vinyl chloride organic HAP . . .
Each stripped resin stream
1. Initial compliance	a. Continuous	Every 8 hours or for each grade, whichever is more frequent during a 24 hour period	Every 8 hours or for each grade, whichever is more frequent during a 24 hour period.
	b. Batch	1 grab sample for each batch produced during a 24 hour period	1 grab sample for each batch produced during a 24 hour period.
2. Continuous compliance	a. Continuous	On a daily basis, 1 grab sample every 8 hours or for each grade, whichever is more frequent during a 24 hour period	On a monthly basis, 1 grab sample every 8 hours or for each grade, whichever is more frequent during a 24 hour period.
	b. Batch	On a daily basis, 1 grab sample for each batch produced during a 24 hour period	On a monthly basis, 1 grab sample for each batch produced during a 24 hour period.
Each process wastewater stream
3. Initial compliance	N/A	1 grab sample	1 grab sample.
4. Continuous compliance	N/A	1 grab sample per month	1 grab sample per month.

Table 10 to Subpart HHHHHHH of Part 63 - HAP Subject to the Resin and Process Wastewater Provisions at New and Existing Sources

CAS No.	HAP	Analyte category	Test method
^a Incorporated by reference, see §63.14.
107211	Ethylene glycol	Alcohol	SW-846-8015C. ^a
67561	Methanol	Alcohol	SW-846-8015C. ^a
75070	Acetaldehyde	Aldehyde	SW-846-8315A. ^a
50000	Formaldehyde	Aldehyde	SW-846-8315A. ^a
51285	2,4-dinitrophenol	SVOC	SW-846-8270D. ^a
98862	Acetophenone	SVOC	SW-846-8270D. ^a
117817	Bis(2-ethylhexyl) phthalate (DEHP)	SVOC	SW-846-8270D. ^a
123319	Hydroquinone	SVOC	SW-846-8270D. ^a
108952	Phenol	SVOC	SW-846-8270D. ^a
79345	1,1,2,2-tetrachloroethane	VOC	SW-846-8260B. ^a
106990	1,3-butadiene	VOC	SW-846-8260B. ^a
540841	2,2,4-trimethylpentane	VOC	SW-846-8260B. ^a
71432	Benzene	VOC	SW-846-8260B. ^a
108907	Chlorobenzene	VOC	SW-846-8260B. ^a
67663	Chloroform	VOC	SW-846-8260B. ^a
126998	Chloroprene	VOC	SW-846-8260B. ^a
98828	Cumene	VOC	SW-846-8260B. ^a
75003	Ethyl chloride (Chloroethane)	VOC	SW-846-8260B. ^a
100414	Ethylbenzene	VOC	SW-846-8260B. ^a
107062	Ethylene dichloride (1,2-Dichloroethane)	VOC	SW-846-8260B. ^a
75343	Ethylidene dichloride (1,1-Dichloroethane)	VOC	SW-846-8260B. ^a
74873	Methyl chloride (Chloromethane)	VOC	SW-846-8260B. ^a
75092	Methylene chloride	VOC	SW-846-8260B.^a
110543	n-Hexane	VOC	SW-846-8260B. ^a
108883	Toluene	VOC	SW-846-8260B. ^a
71556/79005	Trichloroethane	VOC	SW-846-8260B. ^a
108054	Vinyl acetate	VOC	SW-846-8260B. ^a
593602	Vinyl bromide	VOC	SW-846-8260B. ^a
75014	Vinyl chloride	VOC	Method 107 at 40 CFR part 61, appendix B.
75354	Vinylidene chloride (1,1-Dichloroethylene)	VOC	SW-846-8260B. ^a
1330207	Xylenes (isomers and mixtures)	VOC	SW-846-8260B. ^a

Source: 77 FR 22906, Apr. 17, 2012, unless otherwise noted.