1. I. Volatiles

   1. 1. Bromodichloromethane
   2. 2. Bromomethane
   3. 3. Carbon Tetrachloride
   4. 4. Chlorobenzene
   5. 5. 2-Chloro-1,3-butadiene
   6. 6. Chlorodibromomethane
   7. 7. Chloroethane
   8. 8. 2-Chloroethyl vinyl ether
   9. 9. Chloroform
   10. 10. Chloromethane
   11. 11. 3-Chloropropene
   12. 12. 1,2-Dibromo-3-chloropropane
   13. 13. 1,2-Dibromomethane
   14. 14. Dibromomethane
   15. 15. Trans-1,4-Dichloro-2---butene
   16. 16. Dichlorodifluoromethane
   17. 17. 1,1-Dichloroethane
   18. 18. 1,2-Dichloroethane
   19. 19. 1,1-Dichloroethylene
   20. 20. Trans-1,2-Dichloroethene
   21. 21. 1,2-Dichloropropane
   22. 22. Trans-1,3-Dichloropropene
   23. 23. cis-1,3-Dichloropropene
   24. 24. Iodomethane
   25. 25. Methylene chloride
   26. 26. 1,1,1,2-Tetrachloroethane
   27. 27. 1,1,2,2-Tetrachloroethane
   28. 28. Tetrachloroethene
   29. 29. Tribromomethane
   30. 30. 1,1,1-Trichloroethane
   31. 31. 1,1,2-Trichloroethane
   32. 32. Trichlorothene
   33. 33. Trichloromonofluoromethane
   34. 34. 1,2,3-Thrichloropropane

   35. 35. Vinyl Chloride

       II. Semivolatiles

   36. 1. Bis(2-chloroethoxy)ethane
   37. 2. Bis(2-chloroethyl)ether
   38. 3. Bis(2-chloroisopropyl)ether
   39. 4. p-Chloroaniline
   40. 5. Chlorobenzilate
   41. 6. p-Chloro-m-cresol
   42. 7. 2-Chloronaphthalene
   43. 8. 2-Chlorphenol
   44. 9. 3-Chloropropionitrile
   45. 10. m-Dichlorobenzene
   46. 11. o-Dichlorobenzene
   47. 12. p-Dichlorobenzene
   48. 13. 3.3'-Dichlorobenzidine
   49. 14. 2,4-Dichlorophenol
   50. 15. 2,6-Dichlorophenol
   51. 16. Hexachlorobenzene
   52. 17. Hexachlorobutadiene
   53. 18. Hexachlorocyclopentadiene
   54. 19. Hexachloroethane
   55. 20. Hexachloroprophene
   56. 21. Hexachlorpropene
   57. 22. 4,4'-Methylenebis(2-chloroanaline)
   58. 23. Pentachlorobenzene
   59. 24. Pentachloroethane
   60. 25. Pentachloronitrobenzene
   61. 26. Pentachlorophenol
   62. 27. Pronamide
   63. 28. 1,2,4,5-Tetrachlorobenzene
   64. 29. 2,3,4,6-Tetrachlorophenol
   65. 30. 1,2,4-Trichlorobenzene
   66. 31. 2,4,5-Trichlorophenol
   67. 32. 2,4,6-Trichlorophenol

   68. 33. Tris(2,3-dibromopropyl)phosphate

       III. Organochlorine Pesticides

   69. 1. Aldrin
   70. 2. alpha-BHC
   71. 3. beta-BHC
   72. 4. delta-BHC
   73. 5. gamma-BHC
   74. 6. Chlorodane
   75. 7. DDD
   76. 8. DDE
   77. 9. DDT
   78. 10. Dieldrin
   79. 11. Endosulfan I
   80. 12. Endosulfan II
   81. 13. Endrin
   82. 14. Endrin aldehyde
   83. 15. Heptachlor
   84. 16. Heptachlor epoxide
   85. 17. Isodrin
   86. 18. Kepone
   87. 19. Methoxyclor

   88. 20. Toxaphene

       IV. Phenoxyacetic Acid Herbicides

   89. 1. 2,4-Dichlorophenoxyacetic acid
   90. 2. Silvex
   91. 3. 2,4,5-T

2. V. PCBs

   1. 1. Aroclor 1016
   2. 2. Aroclor 1221
   3. 3. Aroclor 1232
   4. 4. Aroclor 1242
   5. 5. Aroclor 1248
   6. 6. Aroclor 1254
   7. 7. Aroclor 1260

   8. 8. PCBs not otherwise specified

      VI. Dioxins and Furans

   9. 1. Hexachlorodibenzo-p-dioxins
   10. 2. Hexachlorodibenzofuran
   11. 3. Pentachlorodibenzo-p-dioxins
   12. 4. Pentachlorodibenzofuran
   13. 5. Tetrachlorodibenzo-p-dioxins
   14. 6. Tetrachlorodibenzofuran
   15. 7. 2,3,7,8-Tetrachlorodibenzo-p-dioxin

In determining the concentration of HOCs in a hazardous waste for purposes of the Section R315-268-32 land disposal prohibition, the Director has defined the HOCs that shall be included in a calculation as any compounds having a carbon-halogen bond which are listed in this Appendix, see Section R315-268-2. Appendix III to Rule R315-268 consists of the following compounds:

KEY: hazardous waste, land disposal restrictions

Date of Last Change: January 13, 2025

Notice of Continuation: December 11, 2025

Authorizing, and Implemented or Interpreted Law: 19-6-105; 19-6-106