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TABLE 1 -- Maximum Concentration of Contaminants for the Toxicity Characteristic <br />EPA Hazardous <br />Waste Number <br />Contaminant <br />CAS Number <br />Regulatory Level <br />( <br />D004 <br />Arsenic <br />7440 -38 -2 <br />5.0 <br />D005 <br />Barium <br />7440 -39 -3 <br />100.0 <br />D018 <br />Benzene <br />71 -43 -2 <br />0.5 <br />D006 <br />Cadmium <br />7440 -43 -9 <br />1.0 <br />DO 19 <br />Carbon tetrachloride <br />56 -23 -5 <br />0.5 <br />D020 <br />Chlordane <br />57 -74 -9 <br />0.03 <br />D021 <br />Chlorobenzene <br />108 -90 -7 <br />100.0 <br />D022 <br />Chloroform <br />67 -66 -3 <br />6.0 <br />D007 <br />Chromium <br />7440 -47 -3 <br />5.0 <br />D023 <br />o- Cresol <br />95 -48 -7 <br />200.0(a) <br />D024 <br />m- Cresol <br />108 -39 -4 <br />200.0(a) <br />D025 <br />p- Cresol <br />106 -44 -5 <br />200.0(a) <br />D026 <br />Cresol <br />.... ............................... <br />200.0(a) <br />DO 16 <br />2,4 -D <br />94 -75 -7 <br />10.0 <br />D027 <br />1,4- Dichlorobenzene <br />106 -46 -7 <br />7.5 <br />D028 <br />1,2- Dichloroethane <br />107 -06 -2 <br />0.5 <br />D029 <br />1,1- Dichloroethylene <br />75 -35 -4 <br />0.7 <br />D030 <br />2,4- Dinitrotoluene <br />121 -14 -2 <br />0.13(b) <br />DO 12 <br />Endrin <br />72 -20 -8 <br />0.02 <br />D031 <br />Heptachlor (and its epoxide). <br />76 -44 -8 <br />0.008 <br />D032 <br />Hexachlorobenzene <br />118 -74 -1 <br />0.13(b) <br />D033 <br />Hexachlorobutadiene <br />87 -68 -3 <br />0.5 <br />D034 <br />Hexachloroethane <br />67 -72 -1 <br />3.0 <br />D038 <br />Lead <br />7439 -92 -1 <br />5.0 <br />D013 <br />Lindane <br />58 -89 -9 <br />0.4 <br />D009 <br />Mercury <br />7439 -97 -6 <br />0.2 <br />DO 14 <br />Methoxychlor <br />72 -43 -5 <br />10.0 <br />D035 <br />Methyl ethyl ketone <br />78 -93 -3 <br />200.0 <br />D036 <br />Nitrobenzene <br />98 -95 -3 <br />2.0 <br />D037 <br />Pentrachlorophenol <br />87 -86 -5 <br />100.0 <br />D038 <br />Pyridine <br />110 -86 -1 <br />5.0(b) <br />DO 10 <br />Selenium <br />7782 -49 -2 <br />1.0 <br />DO 11 <br />Silver <br />7440 -22 -4 <br />5.0 <br />D039 <br />Tetrachloroethylene <br />127 -18 -4 <br />0.7 <br />DO 15 <br />Toxaphene <br />8001 -35 -2 <br />0.5 <br />D040 <br />Trichloroethylene <br />79 -01 -6 <br />0.5 <br />D041 <br />2,4,5 - Trichlorophenol <br />95 -95 -4 <br />400.0 <br />D042 <br />2,4,6 - Trichlorophenol <br />88 -06 -2 <br />2.0 <br />DO 17 <br />2,4,5 -TP ( Silvex) <br />93 -72 -1 <br />1.0 <br />D043 <br />Vinyl chloride <br />75 -01 -4 <br />0.2 <br />�a) it o -, m -, anct p- cresol concentrations cannot be ditferentiated, the total cresol (D026) concentration is used. The regulatory <br />level of total cresol is 200 mg/L. <br />(b) Quantitation limit is greater than the calculated regulatory level. The quantitation limit therefore becomes the regulatory level. <br />-42- <br />