Complete List of VOC Exemption Rules

NumberCompoundExemption DateFR Cita­tionLink
1

methane

July 8, 1977

42 FR 35314

https://www.govinfo.gov/content/pkg/FR-1977-07-08/pdf/FR-1977-07-08.pdf#page=148
2

ethane

July 8, 1977

42 FR 35314

https://www.govinfo.gov/content/pkg/FR-1977-07-08/pdf/FR-1977-07-08.pdf#page=148
3

1,1,1 trichloroethane (methyl chloroform)

July 8, 1977

42 FR 35314

https://www.govinfo.gov/content/pkg/FR-1977-07-08/pdf/FR-1977-07-08.pdf#page=148
 

Air Quality- Recommended policy on control of VOC

July 8, 1977

42 FR 35314

https://www.govinfo.gov/content/pkg/FR-1977-07-08/pdf/FR-1977-07-08.pdf#page=148
4

Dichloromethane (methylene chloride)

June 4, 1979

44 FR 32042

https://www.govinfo.gov/content/pkg/FR-1979-06-04/pdf/FR-1979-06-04.pdf#page=112
5Clarification on dichloromethane (methylene chloride and/or methyl chloroform)May 16, 198045 FR 32424https://www.govinfo.gov/content/pkg/FR-1980-05-16/pdf/FR-1980-05-16.pdf#page=146
6

trichlorofluoromethane (CFC-11)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
7

dichlorodifluoromethane (CFC-12)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
8

chlorodifluoromethane (HCFC-22)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
9

trifluoromethane (HFC-23)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
101,1,2-trichloro-1,2,2-trifluoroethane (CFC-113)- Trichlorotrifluoroethane

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
11

1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
12

chloropentafluoroethane (CFC-115)

July 22, 1980

45 FR 48941

https://www.govinfo.gov/content/pkg/FR-1980-07-22/pdf/FR-1980-07-22.pdf#page=103
13

1,1,1-trifluoro-2,2-dichloroethane (HCFC-123)

January 18, 1989

54 FR 1987

https://www.govinfo.gov/content/pkg/FR-1989-01-18/pdf/FR-1989-01-18.pdf#page=71
14

1,1,1,2-tetrafluoroethane (HFC-134a)

January 18, 1989

54 FR 1987

https://www.govinfo.gov/content/pkg/FR-1989-01-18/pdf/FR-1989-01-18.pdf#page=71
15

1,1-dichloro-1-fluoroethane (HCFC-141b)

January 18, 1989

54 FR 1987

https://www.govinfo.gov/content/pkg/FR-1989-01-18/pdf/FR-1989-01-18.pdf#page=71
16

1-chloro-1,1-difluoroethane (HCFC-142b)

January 18, 1989

54 FR 1987

https://www.govinfo.gov/content/pkg/FR-1989-01-18/pdf/FR-1989-01-18.pdf#page=71
17

2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124)

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
18

pentafluoroethane (HFC-125)

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
19

1,1,2,2-tetrafluoroethane (HFC-134)

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
201,1,1-trifluoroethane (HFC-143a)March 18, 199156 FR 11418https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
21

1,1-difluoroethane (HFC-152a)

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80

Perfluorocarbon compounds that fall into these classes:

22

cyclic, branched, or linear, completely fluorinated alkanes;

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
23

cyclic, branched, or linear, completely fluorinated ethers with no unsaturations;

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
24

cyclic, branched, or linear, completely fluorinated tertiary amines with no unsaturations; and,

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80
25

sulfur containing perfluorocarbons with no unsaturations and with sulfur bonds only to carbon and fluorine

March 18, 1991

56 FR 11418

https://www.govinfo.gov/content/pkg/FR-1991-03-18/pdf/FR-1991-03-18.pdf#page=80

EPA adopted a definition of VOC in 40 CFR 51.100(s)

February 3, 1992

 https://ecfr.io/Title-40/Section-51.100
26

parachlorobenzotrifluoride (PCBTF)

October 5, 1994

59 FR 50693

https://www.govinfo.gov/content/pkg/FR-1994-10-05/pdf/FR-1994-10-05.pdf#page=25
27

cyclic, branched, or linear completely methylated siloxanes

October 5, 1994

59 FR 50693

https://www.govinfo.gov/content/pkg/FR-1994-10-05/pdf/FR-1994-10-05.pdf#page=25
28

acetone

June 16, 1995

60 FR 31633

https://www.govinfo.gov/content/pkg/FR-1995-06-16/pdf/95-14804.pdf#page=1
29

tetrachloroethylene (perchloroethylene)

February 7, 1996

61 FR 4588

https://www.govinfo.gov/content/pkg/FR-1996-02-07/pdf/96-2495.pdf#page=2
30

3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca)

October 8, 1996

61 FR 52848

https://www.govinfo.gov/content/pkg/FR-1996-10-08/pdf/96-25787.pdf#page=1
31

1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb)

October 8, 1996

61 FR 52848

https://www.govinfo.gov/content/pkg/FR-1996-10-08/pdf/96-25787.pdf#page=1
32

1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee)

October 8, 1996

61 FR 52848

https://www.govinfo.gov/content/pkg/FR-1996-10-08/pdf/96-25787.pdf#page=1
33

difluoromethane (HFC-32)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
34

ethylfluoride (HFC-161)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
35

1,1,1,3,3,3-hexafluoropropane (HFC-236fa)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
36

1,1,2,2,3-pentafluoropropane (HFC-245ca)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
37

1,1,2,3,3-pentafluoropropane (HFC-245ea)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
38

1,1,1,2,3-pentafluoropropane (HFC-245eb)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
39

1,1,1,3,3-pentafluoropropane (HFC-245fa)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
40

1,1,1,2,3,3-hexafluoropropane (HFC-236ea)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
41

1,1,1,3,3-pentafluorobutane (HFC-365mfc)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
42

chlorofluoromethane (HCFC-31)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
43

1-chloro-1-fluoroethane (HCFC-151a)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
44

1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
45

1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxy-butane (C4F9OCH3) or (HFE-7100)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
46

2-(difluoromethoxymethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OCH3)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
47

1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane (C4F9OC2H2H5) or (HFE-7200)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
48

2-(ethoxydifluoromethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OC2H5)

August 25, 1997

62 FR 44900

https://www.govinfo.gov/content/pkg/FR-1997-08-25/pdf/97-22510.pdf#page=1
49

methyl acetate

April 9, 1998

63 FR 17331

https://www.govinfo.gov/content/pkg/FR-1998-04-09/pdf/98-9247.pdf#page=1
501,1,1,2,2,3,3- heptafluoro-3-methoxy-propane (n-C3F7OCH3  or HFE-7000)November 29, 200469 FR 69290https://www.govinfo.gov/content/pkg/FR-2004-11-29/pdf/04-26070.pdf#page=1
513-ethoxy-1,1,1,2,3,4,4,5,5,6,6,6-dodecafluoro-2-(trifluoromethyl) hexane (HFE-7500)November 29, 200469 FR 69290https://www.govinfo.gov/content/pkg/FR-2004-11-29/pdf/04-26070.pdf#page=1
521,1,1,2,3,3,3-heptafluoropropane (HFC-227ea)November 29, 200469 FR 69290https://www.govinfo.gov/content/pkg/FR-2004-11-29/pdf/04-26070.pdf#page=1
53Methyl formateNovember 29, 200469 FR 69290https://www.govinfo.gov/content/pkg/FR-2004-11-29/pdf/04-26070.pdf#page=1
54t-butyl acetate, see also Feb 25, 2016 (81 FR 9339)November 29, 200469 FR 69298https://www.govinfo.gov/content/pkg/FR-2004-11-29/pdf/04-26069.pdf#page=1

Revisions to the California State Implementation Plan and Revision to the Definition of Volatile Organic Compounds (VOC)—Removal of VOC Exemptions for California’s Aerosol Coating Products Reactivity-based Regulation

September 13, 200570 FR 53930https://www.govinfo.gov/content/pkg/FR-2005-09-13/pdf/05-18016.pdf 

Interim Guidance on Control of Volatile Organic Compounds in Ozone State Implementation Plans

September 13, 200570 FR 54046https://www3.epa.gov/ttn/naaqs/aqmguide/collection/cp2/20050913_70fr_54046-54051_interim_guidance_control_voc.pdf
551,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-trifluoromethyl-pentane (also known as HFE-7300)January 18, 200772 FR 2193https://www.govinfo.gov/content/pkg/FR-2007-01-18/pdf/E7-638.pdf#page=1
56Propylene carbonateJanuary 21, 200974 FR 3437https://www.govinfo.gov/content/pkg/FR-2009-01-21/pdf/E9-1150.pdf#page=1
57Dimethyl carbonateJanuary 21, 200974 FR 3437https://www.govinfo.gov/content/pkg/FR-2009-01-21/pdf/E9-1150.pdf#page=1
58trans-1,3,3,3-tetrafluoropropene (HFO-1234ze)June 22, 201277 FR 37610https://www.govinfo.gov/content/pkg/FR-2012-06-22/pdf/2012-15347.pdf#page=1
59HCF2OCF2H (HFE-134)February 12, 201378 FR 9823https://www.govinfo.gov/content/pkg/FR-2013-02-12/pdf/2013-03057.pdf#page=1
60HCF2OCF2OCF2H (HFE-236cal2)February 12, 201378 FR 9823https://www.govinfo.gov/content/pkg/FR-2013-02-12/pdf/2013-03057.pdf#page=1
61HCF2OCF2CF2OCF2H (HFE-338pcc13)February 12, 201378 FR 9823https://www.govinfo.gov/content/pkg/FR-2013-02-12/pdf/2013-03057.pdf#page=1
62HCF2OCF2OCF2CF2OCF2H (H-Galden 1040X, ZT 130, 150, or 180)February 12, 201378 FR 9823https://www.govinfo.gov/content/pkg/FR-2013-02-12/pdf/2013-03057.pdf#page=1
63trans-1-chloro-3,3,3-trifluoroprop-1-ene (SolsticeTM 1233zd(E))August 28, 201378 FR 53029https://www.govinfo.gov/content/pkg/FR-2013-08-28/pdf/2013-21014.pdf#page=1
642,3,3,3-tetrafluoropropene   (HFO-1234yf)October 22, 201378 FR 62451https://www.govinfo.gov/content/pkg/FR-2013-10-22/pdf/2013-23783.pdf#page=1
652-amino-2-methyl-1-propanol (AMP)March 27, 201479 FR 17037https://www.govinfo.gov/content/pkg/FR-2014-03-27/pdf/2014-06790.pdf#page=1
66TBAC- Record Keeping dropFebruary 25, 201681 FR 9339https://www.govinfo.gov/content/pkg/FR-2016-02-25/pdf/2016-04072.pdf#page=1
671,1,2,2-Tetrafluoro-1-(2,2,2-trifluoroethoxy) ethane (HFE-347pcf2)August 1, 201681 FR 50408https://www.govinfo.gov/content/pkg/FR-2016-08-01/pdf/2016-17790.pdf#page=1
68cis-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz-Z)November 28, 2018

83 FR 61127

https://www.govinfo.gov/content/pkg/FR-2018-11-28/pdf/2018-25891.pdf#page=1
69(2E)-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz(E)), 8226-8233February 8, 202388 FR 8226

https://www.govinfo.gov/content/pkg/FR-2023-02-08/pdf/2023-02384.pdf

Contact Us About Ozone Pollution to ask a question, provide feedback, or report a problem.
Last updated on June 25, 2025