In determining the concentration of HOCs in a hazardous waste for purposes of the § 268.32 land disposal prohibition, EPA has defined the HOCs that must be included in a calculation as any compounds having a carbon-halogen bond which are listed in this Appendix (see § 268.2). Appendix III to Part 268 consists of the following compounds:

I. Volatiles 1. Bromodichloromethane 2. Bromomethane 3. Carbon Tetrachloride 4. Chlorobenzene 5. 2-Chloro-1,3-butadiene 6. Chlorodibromomethane 7. Chloroethane 8. 2-Chloroethyl vinyl ether 9. Chloroform 10. Chloromethane 11. 3-Chloropropene 12. 1,2-Dibromo-3-chloropropane 13. 1,2-Dibromomethane 14. Dibromomethane 15. Trans-1,4-Dichloro-2—butene 16. Dichlorodifluoromethane 17. 1,1-Dichloroethane 18. 1,2-Dichloroethane 19. 1,1-Dichloroethylene 20. Trans-1,2-Dichloroethene 21. 1,2-Dichloropropane 22. Trans-1,3-Dichloropropene 23. cis-1,3-Dichloropropene 24. Iodomethane 25. Methylene chloride 26. 1,1,1,2-Tetrachloroethane 27. 1,1,2,2-Tetrachloroethane 28. Tetrachloroethene 29. Tribromomethane 30. 1,1,1-Trichloroethane 31. 1,1,2-Trichloroethane 32. Trichlorothene 33. Trichloromonofluoromethane 34. 1,2,3-Thrichloropropane 35. Vinyl Chloride II. Semivolatiles 1. Bis(2-chloroethoxy)ethane 2. Bis(2-chloroethyl)ether 3. Bis(2-chloroisopropyl)ether 4. p-Chloroaniline 5. Chlorobenzilate 6. p-Chloro-m-cresol 7. 2-Chloronaphthalene 8. 2-Chlorphenol 9. 3-Chloropropionitrile 10. m-Dichlorobenzene 11. o-Dichlorobenzene 12. p-Dichlorobenzene 13. 3.3′-Dichlorobenzidine 14. 2,4-Dichlorophenol 15. 2,6-Dichlorophenol 16. Hexachlorobenzene 17. Hexachlorobutadiene 18. Hexachlorocyclopentadiene 19. Hexachloroethane 20. Hexachloroprophene 21. Hexachlorpropene 22. 4,4′-Methylenebis(2-chloroanaline) 23. Pentachlorobenzene 24. Pentachloroethane 25. Pentachloronitrobenzene 26. Pentachlorophenol 27. Pronamide 28. 1,2,4,5-Tetrachlorobenzene 29. 2,3,4,6-Tetrachlorophenol 30. 1,2,4-Trichlorobenzene 31. 2,4,5-Trichlorophenol 32. 2,4,6-Trichlorophenol 33. Tris(2,3-dibromopropyl)phosphate III. Organochlorine Pesticides 1. Aldrin 2. alpha-BHC 3. beta-BHC 4. delta-BHC 5. gamma-BHC 6. Chlorodane 7. DDD 8. DDE 9. DDT 10. Dieldrin 11. Endosulfan I 12. Endosulfan II 13. Endrin 14. Endrin aldehyde 15. Heptachlor 16. Heptachlor epoxide 17. Isodrin 18. Kepone 19. Methoxyclor 20. Toxaphene IV. Phenoxyacetic Acid Herbicides 1. 2,4-Dichlorophenoxyacetic acid 2. Silvex 3. 2,4,5-T V. PCBs 1. Aroclor 1016 2. Aroclor 1221 3. Aroclor 1232 4. Aroclor 1242 5. Aroclor 1248 6. Aroclor 1254 7. Aroclor 1260 8. PCBs not otherwise specified VI. Dioxins and Furans 1. Hexachlorodibenzo-p-dioxins 2. Hexachlorodibenzofuran 3. Pentachlorodibenzo-p-dioxins 4. Pentachlorodibenzofuran 5. Tetrachlorodibenzo-p-dioxins 6. Tetrachlorodibenzofuran 7. 2,3,7,8-Tetrachlorodibenzo-p-dioxin [65 FR 81380, Dec. 26, 2000]