Fact Sheet: Final Rule for Extremely Hazardous Substances (EHS) and Threshold Planning Quantities (TPQs) for Solids in Solutions

This fact sheet explains the March 2012 final rule that covers threshold planning quantities (TPQs) for Extremely Hazardous Substances (EHSs) that are non-reactive solid chemicals in solution form.

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Fact Sheet: Final Rule for Extremely Hazardous Substances (EHS) and Threshold Planning Quantities (TPQs) for Solids in Solutions (PDF)(2 pp, 117 K)