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16M ENVIRONMENTAL HEALTH TTTLE 22 (p. 1800.76) Iasabnr es.No.2-1-1245) (M) 4-Nitrobiphenyl (4-NBP) �N) N-Nitrosodimethylamine (DMN) . O) s-Propiolactone (BPL) �P) Vinp1 chloride (VCM); or 6) Has been shown through experience or testing to pose a hazard to human health or environment because of its carcinogenicity, acute toxicity, chronic toxicity, bioaccumulative properties or persistence in the environment;or is:(7) Is listed in 40 CFR 261 (codified July 1,1982) as a hazardous waste which (A) From a nonspecific source listed in Section 261.31; or (B) From a specific source listed in Section 261.32;or (C) An acute hazardous commercial chemical product or manufacturing chemical intermediate listed in Section 261.33(e); or (D) A toxic commercial chemical product or manufacturing chemical inter- mediate listed in Section 261.33(£). (b) A waste containing one or more materials which are toxic according to the criterion of subsection (a)(3) of this section may be classified as nonhazard- ous pursuant to Section 66305 if the waste is not hazardous by any other crite- rion of this article and its head space vapor contains no such toxic materials in concentrations exceeding their respective eight-hour inhalation LC,or their LCLo.The head space vapor of a waste shall be prepared, and two milliliters of it shall be sampled using a five milliliter gas-tight syringe, according to method 5020 in'"Test Methods for Evaluating Solid Waste,Physical/Chemical Methods",SW-846,2nd edition,U.S. Environmental Protection Agency, 1982 The quantity of each material in milligrams, which is toxic according to the criterion of paragraph (a)(3) of this section, in the sampling syringe shall be determined by comparison to liquid standard solutions according to the appro- priate gas chromatographic procedures in method 8010,8015, 8020 or 8030 in Test Methods for Evaluating Solid Wastes,Physical/Chemical Methods",SW- 846,2nd edition,U.S.Environmental Protection Agency,1982.The concentra- tion of each material in the head space vapor shall be calculated using the following equation: CA = 2-A- X 29.8 ml/mmole X 1 MW 2X10-6 M' where CA(in parts per million)is the concentration of material A in head space vapor,QA (m milligrams) is the quantity of material A in sampling s rmi ge and MW(in milligrams per millimole) is the molecular weight of material A.Where an eight-hour LCD is not available,an LC,a measured for another time (t) may be converted to an eight-hour value with the following equation: Eight-hour LC, = (t/8) X (t-hour LC,a). (c) A waste containing one or more materials which are toxic according to any criterion of paragraph (a)(1) or (a)(2)) of this section may be classified as nonhazardous pursuant to Section 66305 if the waste is not hazardous by any other criterion of this article and the calculated oral LD,of the waste mixture is greater than 5,000 milligrams per kilogram and the calculated dermal LD,o is greater than 4,300 milligrams per kilogram by the following equation: