EPA Toxic Characteristic Hazardous Waste
Maximum Concentration of Contaminants for the Toxicity Characteristic
| EPA HW
No. 1 |
Contaminant |
CAS No. 2 |
Regulatory
Level (mg/L) |
| D004 |
Arsenic |
7440-38-2 |
5.0 |
| D005 |
Barium |
7440-39-3 |
100.0 |
| D018 |
Benzene |
71-43-2 |
0.5 |
| D006 |
Cadmium |
7440-43-9 |
1.0 |
| D019 |
Carbon tetrachloride |
56-23-5 |
0.5 |
| D020 |
Chlordane |
57-74-9 |
0.03 |
| D021 |
Chlorobenzene |
108-90-7 |
100.0 |
| D022 |
Chloroform |
67-66-3 |
6.0 |
| D007 |
Chromium |
7440-47-3 |
5.0 |
| D023 |
o-Cresol |
95-48-7 |
4200.0 |
| D024 |
m-Cresol |
108-39-4 |
4200.0 |
| D025 |
p-Cresol |
106-44-5 |
4200.0 |
| D026 |
Cresol |
-- |
4200.0 |
| D016 |
2,4-D |
94-75-7 |
10.0 |
| D027 |
1,4-Dichlorobenzene |
106-46-7 |
7.5 |
| D028 |
1,2-Dichloroethane |
107-06-2 |
0.5 |
| D029 |
1,1-Dichloroethylene |
75-35-4 |
0.7 |
| D030 |
2,4-Dinitrotoluene |
121-14-2 |
30.13 |
| D012 |
Endrin |
72-20-8 |
0.02 |
| D031 |
Heptachlor (and its
epoxide) |
76-44-8 |
0.008 |
| D032 |
Hexachlorobenzene |
118-74-1 |
30.13 |
| D033 |
Hexachlorobutadiene |
87-68-3 |
0.5 |
| D034 |
Hexachloroethane |
67-72-1 |
3.0 |
| D008 |
Lead |
7439-92-1 |
5.0 |
| D013 |
Lindane |
58-89-9 |
0.4 |
| D009 |
Mercury |
7439-97-6 |
0.2 |
| D014 |
Methoxychlor |
72-43-5 |
10.0 |
| D035 |
Methyl ethyl ketone |
78-93-3 |
200.0 |
| D036 |
Nitrobenzene |
98-95-3 |
2.0 |
| D037 |
Pentrachlorophenol |
87-86-5 |
100.0 |
| D038 |
Pyridine |
110-86-1 |
35.0 |
| D010 |
Selenium |
7782-49-2 |
1.0 |
| D011 |
Silver |
7440-22-4 |
5.0 |
| D039 |
Tetrachloroethylene |
127-18-4 |
0.7 |
| D015 |
Toxaphene |
8001-35-2 |
0.5 |
| D040 |
Trichloroethylene |
79-01-6 |
0.5 |
| D041 |
2,4,5-Trichlorophenol |
95-95-4 |
400.0 |
| D042 |
2,4,6-Trichlorophenol |
88-06-2 |
2.0 |
| D017 |
2,4,5-TP (Silvex) |
93-72-1 |
1.0 |
| D043 |
Vinyl chloride |
75-01-4 |
0.2 |
1Hazardous waste number.
2Chemical abstracts service number.
3Quantitation limit is greater than the
calculated regulatory level. The quantitation limit therefore becomes
the regulatory level.
4If o-, m-, and p-Cresol concentrations cannot
be differentiated, the total cresol (D026) concentration is used. The
regulatory level of total cresol is 200 mg/l.
[55 FR 11862, Mar. 29, 1990, as amended at 55 FR 22684,
June 1, 1990;
55 FR 26987, June 29, 1990; 58 FR 46049, Aug. 31, 1993]
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