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The numeric threshold value, in unit of measure, for the Reportable Quantity (RQ) of a chemical substance (e.g., chromic acid), category (chlorinated phenols other than those listed elsewhere), or material (e.g., bag house dusts and filter/separation solids from the production of carbamates and carbamoyl oximes) regulated under CERCLA Section 102, as listed in 40 CFR Part 302, Table 302.4. A spill of the chemical that meets or exceeds the RQ in any 24 hour period requires both notification to the NRC under Section 103 of CERCLA, and notification to the SERC and LEPC under Section 304 of EPCRA. Example: "10" pounds for CAS Registry Number 71-43-2 (Benzene). |