Cal. Code Regs. Tit. 22, div. 4.5, ch. 11, app XII
Current through Register 2024 Notice Reg. No. 50, December 13, 2024
Waste Code Number | Waste Description |
| (1) Inorganics: | |
| 121 | Alkaline solution (pH [LESS THAN EQUAL TO] 12.5) with metals (antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, mercury, molybdenum, nickel, selenium, silver, thallium, vanadium, and zinc) |
| 122 | Alkaline solution without metals (pH > 12.5) |
| 123 | Unspecified alkaline solution |
| 131 | Aqueous solution (2 < pH < 12.5) containing reactive anions (azide, bromate, chlorate, cyanide, fluoride, hypochlorite, nitrite, perchlorate, and sulfide anions) |
| 132 | Aqueous solution with metals (restricted levels and see waste code 121 for a list of metals) |
| 133 | Aqueous solution with 10% or more total organic residues |
| 134 | Aqueous solution with less than 10% total organic residues |
| 135 | Unspecified aqueous solution |
| 141 | Off-specification, aged, or surplus inorganics |
| 151 | Asbestos-containing waste |
| 161 | Fluid-cracking catalyst (FCC) waste |
| 162 | Other spent catalyst |
| 171 | Metal sludge (see 121) |
| 172 | Metal dust (see 121) and machining waste |
| 181 | Other inorganic solid waste |
| (2) Organics: | |
| 211 | Halogenated solvents (chloroform, methyl chloride, perchloroethylene, etc.) |
| 212 | Oxygenated solvents (acetone, butanol, ethyl acetate, etc.) |
| 213 | Hydrocarbon solvents (benzene, hexane, Stoddard, etc.) |
| 214 | Unspecified solvent mixture |
| 221 | Waste oil and mixed oil |
| 222 | Oil/water separation sludge |
| 223 | Unspecified oil-containing waste |
| 231 | Pesticide rinse water |
| 232 | Pesticides and other waste associated with pesticide production |
| 241 | Tank bottom waste |
| 251 | Still bottoms with halogenated organics |
| 252 | Other still bottom waste |
| 261 | Polychlorinated biphenyls and material containing PCB's |
| 271 | Organic monomer waste (includes unreacted resins) |
| 272 | Polymeric resin waste |
| 281 | Adhesives |
| 291 | Latex waste |
| 311 | Pharmaceutical waste |
| 321 | Sewage sludge |
| 322 | Biological waste other than sewage sludge |
| 331 | Off-specification, aged, or surplus organics |
| 341 | Organic liquids (nonsolvents) with halogens |
| 342 | Organic liquids with metals (see 121) |
| 343 | Unspecified organic liquid mixture |
| 351 | Organic solids with halogens |
| 352 | Other organic solids |
| (3) Sludges: | |
| 411 | Alum and gypsum sludge |
| 421 | Lime sludge |
| 431 | Phosphate sludge |
| 441 | Sulfur sludge |
| 451 | Degreasing sludge |
| 461 | Paint sludge |
| 471 | Paper sludge/pulp |
| 481 | Tetraethyl lead sludge |
| 491 | Unspecified sludge waste |
| (4) Miscellaneous: | |
| 511 | Empty pesticide containers 30 gallons or more |
| 512 | Other empty containers 30 gallons or more |
| 513 | Empty containers less than 30 gallons |
| 521 | Drilling mud |
| 531 | Chemical toilet waste |
| 541 | Photochemicals/photoprocessing waste |
| 551 | Laboratory waste chemicals |
| 561 | Detergent and soap |
| 571 | Fly ash, bottom ash, and retort ash |
| 581 | Gas scrubber waste |
| 591 | Baghouse waste |
| 611 | Contaminated soil from site clean-ups |
| 612 | Household waste |
| 613 | Auto shredder waste |
| 614 | Treated wood waste |
| (5) California Restricted Wastes: | |
| 711 | Liquids with cyanides >= 1000 mg/l |
| 721 | Liquids with arsenic >= 500 mg/l |
| 722 | Liquids with cadmium >= 100 mg/l |
| 723 | Liquids with chromium (VI) >= 500 mg/l |
| 724 | Liquids with lead >= 500 mg/l |
| 725 | Liquids with mercury >= 20 mg/l |
| 726 | Liquids with nickel >= 134 mg/l |
| 727 | Liquids with selenium >= 100 mg/l |
| 728 | Liquids with thallium >= 130 mg/l |
| 731 | Liquids with polychlorinated biphenyls >= 50 mg/l |
| 741 | Liquids with halogenated organic compounds >= 1000 mg/l |
| 751 | Solids or sludges with halogenated organic compounds >= 1000mg/kg |
| 791 | Liquids with pH [LESS THAN EQUAL TO] 2 |
| 792 | Liquids with pH [LESS THAN EQUAL TO] 2 with metals |
| 801 | Waste potentially containing dioxins |
(c) List of California Hazardous Waste Codes arranged alphabetically within each numbered category in this subdivision:
| Waste Code Number | Waste Description |
| (1) Inorganics: | |
| 121 | Alkaline solution (pH >= 12.5) with metals (antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, mercury, molybdenum, nickel, selenium, silver, thallium, vanadium, and zinc) |
| 122 | Alkaline solution without metals (pH >= 12.5) |
| 131 | Aqueous solution (2 < pH < 12.5) containing reactive anions (azide, bromate, chlorate, cyanide, fluoride, hypochlorite, nitrite, perchlorate, and sulfide anions) |
| 133 | Aqueous solution with 10% or more total organic residues |
| 134 | Aqueous solution with less than 10% total organic residues |
| 132 | Aqueous solution with metals (restricted levels and see waste code 121 for a list of metals) |
| 151 | Asbestos-containing waste |
| 161 | Fluid-cracking catalyst (FCC) waste |
| 172 | Metal dust (see 121) and machining waste |
| 171 | Metal sludge (see 121) |
| 141 | Off-specification, aged, or surplus inorganics |
| 181 | Other inorganic solid waste |
| 162 | Other spent catalyst |
| 123 | Unspecified alkaline solution |
| 135 | Unspecified aqueous solution |
| (2) Organics: | |
| 281 | Adhesives |
| 322 | Biological waste other than sewage sludge |
| 211 | Halogenated solvents (chloroform, methyl chloride, perchloroethylene, etc.) |
| 213 | Hydrocarbon solvents (benzene, hexane, Stoddard, etc.) |
| 291 | Latex waste |
| 331 | Off-specification, aged, or surplus organics |
| 222 | Oil/water separation sludge |
| 341 | Organic liquids (nonsolvents) with halogens |
| 342 | Organic liquids with metals (see 121) |
| 271 | Organic monomer waste (includes unreacted resins) |
| 351 | Organic solids with halogens |
| 352 | Other organic solids |
| 252 | Other still bottom waste |
| 212 | Oxygenated solvents (acetone, butanol, ethyl acetate, etc.) |
| 231 | Pesticide rinse water |
| 232 | Pesticides and other waste associated with pesticide production |
| 311 | Pharmaceutical waste |
| 261 | Polychlorianted biphenyls and material containing PCBs |
| 272 | Polymeric resin waste |
| 321 | Sewage sludge |
| 251 | Still bottoms with halogenated organics |
| 241 | Tank bottom waste |
| 223 | Unspecified oil-containing waste |
| 343 | Unspecified organic liquid mixture |
| 214 | Unspecified solvent mixture |
| 221 | Waste oil and mixed oil |
| (3) Sludges: | |
| 411 | Alum and gypsum sludge |
| 451 | Degreasing sludge |
| 421 | Lime sludge |
| 461 | Paint sludge |
| 471 | Paper sludge/pulp |
| 431 | Phosphate sludge |
| 441 | Sulfur sludge |
| 481 | Tetraethyl lead sludge |
| 491 | Unspecified sludge waste |
| (4) Miscellaneous: | |
| 613 | Auto shredder waste |
| 591 | Baghouse waste |
| 531 | Chemical toilet waste |
| 611 | Contaminated soil from site clean-ups |
| 561 | Detergent and soap |
| 521 | Drilling mud |
| 513 | Empty containers less than 30 gallons |
| 511 | Empty pesticide containers 30 gallons or more |
| 571 | Fly ash, bottom ash, ad retort ash |
| 581 | Gas scrubber waste |
| 612 | Household waste |
| 551 | Laboratory waste chemicals |
| 512 | Other empty containers 30 gallons or more |
| 541 | Photochemical/photoprocessing waste |
| 614 | Treated wood waste |
| (5) California Restricted Wastes: | |
| 721 | Liquids with arsenic >= 500 mg/l |
| 722 | Liquids with cadmium >= 100 mg/l |
| 723 | Liquids with chromium (VI) >= 500 mg/l) |
| 711 | Liquids with cyanides >= 1000 mg/l |
| 741 | Liquids with halogenated organic compounds >= 1000 mg/l |
| 724 | Liquids with lead >= 500 mg/l |
| 725 | Liquids with mercury >= 20 mg/l |
| 726 | Liquids with nickel >= 134 mg/l |
| 791 | Liquids with pH [LESS THAN EQUAL TO] 2 |
| 792 | Liquids with pH [LESS THAN EQUAL TO] 2 with metals |
| 731 | Liquids with polychlorinated biphenyls >= 50 mg/l |
| 727 | Liquids with selenium >= 100 mg/l |
| 728 | Liquids with thallium >= 130 mg/l |
| 751 | Solids or sludges with halogenated organic compounds >= 1000 mg/l |
| 801 | Waste potentially containing dioxins |
Cal. Code Regs. Tit. 22, div. 4.5, ch. 11, app XII
2. Amendment of subsections (b)(4) and (c)(4) and NOTE filed 6-18-2007; operative 7-1-2007 pursuant to Government Code section 11343.4 (Register 2007, No. 25).
Note: Authority cited: Sections 25150 and 58012, Health and Safety Code. Reference: Sections 25117.9, 25122.7, and 25150, Health and Safety Code.
2. Amendment of subsections (b)(4) and (c)(4) and Note filed 6-18-2007; operative 7-1-2007 pursuant to Government Code section 11343.4 (Register 2007, No. 25).