I. Regulated Pollutants in Part 503 Eligible for a Removal Credit

Open Table
Pollutants Use or disposal practice
LA SD I
Arsenic X X X
Beryllium X
Cadmium X X
Chromium X X
Copper X
Lead X X
Mercury X X
Molybdenum X
Nickel X X X
Selenium X
Zinc X
Total hydrocarbons X1

Key:

LA—land application.

SD—surface disposal site without a liner and leachate collection system.

I—firing of sewage sludge in a sewage sludge incinerator.

1The following organic pollutants are eligible for a removal credit if the requirements for total hydrocarbons (or carbon monoxide) in subpart E in 40 CFR part 503 are met when sewage sludge is fired in a sewage sludge incinerator: Acrylonitrile, ldrin/Dieldrin(total), Benzene, Benzidine, Benzo(a)pyrene, Bis(2-chloroethyl)ether, Bis(2-ethylhexyl)phthalate, Bromodichloromethane, Bromoethane, Bromoform, Carbon tetrachloride, Chlordane, Chloroform, Chloromethane, DDD, DDE, DDT, Dibromochloromethane, Dibutyl phthalate, 1,2-dichloroethane, 1,1-dichloroethylene, 2,4-dichlorophenol, 1,3-dichloropropene, Diethyl phthalate, 2,4-dinitrophenol, 1,2-diphenylhydrazine, Din-butyl phthalate, Endosulfan, Endrin, Ethylbenzene, Heptachlor, Heptachlor epoxide, Hexachlorobutadiene, Alphahexachlorocyclohexane, Beta-hexachlorocyclohexane, Hexachlorocyclopentadiene, Hexachloroethane, Hydrogen cyanide, Isophorone, Lindane, Methylene chloride, Nitrobenzene, N-Nitrosodimethylamine, N-Nitrosodi-n-propylamine, Pentachlorophenol, Phenol, Polychlorinated biphenyls, 2,3,7,8-tetrachlorodibenzo-p-dioxin, 1,1,2,2,-tetrachloroethane, Tetrachloroethylene, Toluene, Toxaphene, Trichloroethylene, 1,2,4-Trichlorobenzene, 1,1,1-Trichloroethane, 1,1,2-Trichloroethane, and 2,4,6-Trichlorophenol.

II. Additional Pollutants Eligible for a Removal Credit

[Milligrams per kilogram—dry weight basis]

Open Table
Pollutant Use or disposal practice
LA Surface disposal I
Unlined1 Lined2
Arsenic 3100
Aldrin/Dieldrin (Total) 2.7
Benzene 316 140 3400
Benzo(a)pyrene 15 3100 3100
Bis(2-ethylhexyl)phthalate 3100 3100
Cadmium 3100 3100
Chlordane 86 3100 3100
Chromium (total) 3100 3100
Copper 346 100 1400
DDD, DDE, DDT (Total) 1.2 2000 2000
2,4 Dichlorophenoxy-acetic acid 7 7
Fluoride 730
Heptachlor 7.4
Hexachlorobenzene 29
Hexachlorobutadiene 600
Iron 378
Lead 3100 3100
Lindane 84 328 328
Malathion 0.63 0.63
Mercury 3100 3100
Molybdenum 40 40
Nickel 3100
N-Nitrosodimethylamine 2.1 0.088 0.088
Pentachlorophenol 30
Phenol 82 82
Polychlorinated biphenyls 4.6 <50 <50
Selenium 4.8 4.8 4.8
Toxaphene 10 326 326
Trichloroethylene 310 9500 310
Zinc 4500 4500 4500

1Active sewage sludge unit without a liner and leachate collection system.

2Active sewage sludge unit with a liner and leachate collection system.

3Value expressed in grams per kilogram—dry weight basis.

Key: LA—land application.

I—incineration.

[60 FR 54768, Oct. 25, 1995, as amended at 65 FR 42567, Aug. 4, 1999; 70 FR 60198, Oct. 14, 2005]


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