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Web§302.4 Designation of hazardous sub-stances. (a) Listed hazardous substances. The elements and compounds and haz-ardous wastes appearing in table 302.4 are designated as hazardous substances under section 102(a) of the Act. (b) Unlisted hazardous substances. A solid waste, as defined in 40 CFR 261.2, which is not excluded from … WebJun 21, 2012 · Class 1 wells handle the most hazardous materials, including fertilizers, acids and deadly compounds such as asbestos, PCBs and cyanide. The energy industry has its own category, Class 2, which... bombero inflable
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