Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 8 to Subpart FFFF of Part 63: Table 8 to Subpart FFFF of Part 63—Partially Soluble Hazardous Air Pollutants

As specified in § 63.2485, the partially soluble HAP in wastewater that are subject to management and treatment requirements in this subpart FFFF are listed in the following table:
Chemical name . . . CAS No.
1. 1,1,1-Trichloroethane (methyl chloroform) 71556
2. 1,1,2,2-Tetrachloroethane 79345
3. 1,1,2-Trichloroethane 79005
4. 1,1-Dichloroethylene (vinylidene chloride) 75354
5. 1,2-Dibromoethane 106934
6. 1,2-Dichloroethane (ethylene dichloride) 107062
7. 1,2-Dichloropropane 78875
8. 1,3-Dichloropropene 542756
9. 2,4,5-Trichlorophenol 95954
10. 1,4-Dichlorobenzene 106467
11. 2-Nitropropane 79469
12. 4-Methyl-2-pentanone (MIBK) 108101
13. Acetaldehyde 75070
14. Acrolein 107028
15. Acrylonitrile 107131
16. Allyl chloride 107051
17. Benzene 71432
18. Benzyl chloride 100447
19. Biphenyl 92524
20. Bromoform (tribromomethane) 75252
21. Bromomethane 74839
22. Butadiene 106990
23. Carbon disulfide 75150
24. Chlorobenzene 108907
25. Chloroethane (ethyl chloride) 75003
26. Chloroform 67663
27. Chloromethane 74873
28. Chloroprene 126998
29. Cumene 98828
30. Dichloroethyl ether 111444
31. Dinitrophenol 51285
32. Epichlorohydrin 106898
33. Ethyl acrylate 140885
34. Ethylbenzene 100414
35. Ethylene oxide 75218
36. Ethylidene dichloride 75343
37. Hexachlorobenzene 118741
38. Hexachlorobutadiene 87683
39. Hexachloroethane 67721
40. Methyl methacrylate 80626
41. Methyl-t-butyl ether 1634044
42. Methylene chloride 75092
43. N-hexane 110543
44. N,N-dimethylaniline 121697
45. Naphthalene 91203
46. Phosgene 75445
47. Propionaldehyde 123386
48. Propylene oxide 75569
49. Styrene 100425
50. Tetrachloroethylene (perchloroethylene) 127184
51. Tetrachloromethane (carbon tetrachloride) 56235
52. Toluene 108883
53. Trichlorobenzene (1,2,4-) 120821
54. Trichloroethylene 79016
55. Trimethylpentane 540841
56. Vinyl acetate 108054
57. Vinyl chloride 75014
58. Xylene (m) 108383
59. Xylene (o) 95476
60. Xylene (p) 106423

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart FFFF—National Emission Standards for Hazardous Air Pollutants: Miscellaneous Organic Chemical Manufacturing

As specified in § 63.2485, the partially soluble HAP in wastewater that are subject to management and treatment requirements in this subpart FFFF are listed in the following table:

Chemical name . . . CAS No.

1. 1,1,1-Trichloroethane (methyl chloroform) 71556

2. 1,1,2,2-Tetrachloroethane 79345

3. 1,1,2-Trichloroethane 79005

4. 1,1-Dichloroethylene (vinylidene chloride) 75354

5. 1,2-Dibromoethane 106934

6. 1,2-Dichloroethane (ethylene dichloride) 107062

7. 1,2-Dichloropropane 78875

8. 1,3-Dichloropropene 542756

9. 2,4,5-Trichlorophenol 95954

10. 1,4-Dichlorobenzene 106467

11. 2-Nitropropane 79469

12. 4-Methyl-2-pentanone (MIBK) 108101

13. Acetaldehyde 75070

14. Acrolein 107028

15. Acrylonitrile 107131

16. Allyl chloride 107051

17. Benzene 71432

18. Benzyl chloride 100447

19. Biphenyl 92524

20. Bromoform (tribromomethane) 75252

21. Bromomethane 74839

22. Butadiene 106990

23. Carbon disulfide 75150

24. Chlorobenzene 108907

25. Chloroethane (ethyl chloride) 75003

26. Chloroform 67663

27. Chloromethane 74873

28. Chloroprene 126998

29. Cumene 98828

30. Dichloroethyl ether 111444

31. Dinitrophenol 51285

32. Epichlorohydrin 106898

33. Ethyl acrylate 140885

34. Ethylbenzene 100414

35. Ethylene oxide 75218

36. Ethylidene dichloride 75343

37. Hexachlorobenzene 118741

38. Hexachlorobutadiene 87683

39. Hexachloroethane 67721

40. Methyl methacrylate 80626

41. Methyl-t-butyl ether 1634044

42. Methylene chloride 75092

43. N-hexane 110543

44. N,N-dimethylaniline 121697

45. Naphthalene 91203

46. Phosgene 75445

47. Propionaldehyde 123386

48. Propylene oxide 75569

49. Styrene 100425

50. Tetrachloroethylene (perchloroethylene) 127184

51. Tetrachloromethane (carbon tetrachloride) 56235

52. Toluene 108883

53. Trichlorobenzene (1,2,4-) 120821

54. Trichloroethylene 79016

55. Trimethylpentane 540841

56. Vinyl acetate 108054

57. Vinyl chloride 75014

58. Xylene (m) 108383

59. Xylene (o) 95476

60. Xylene (p) 106423

Collected 2026-08-27T02:26:04Z. Source file · JSON

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