A chemical that must be reported to authorities if released above the threshold report quantity is called?

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Multiple Choice

A chemical that must be reported to authorities if released above the threshold report quantity is called?

Explanation:
Threshold reporting under EPCRA applies specifically to Extremely Hazardous Substances. These chemicals have a defined threshold reporting quantity (TPQ); if a release exceeds that TPQ, facilities must immediately report to authorities and notify the community. The other terms describe broad categories—hazardous chemicals in general, hazardous waste, or hazardous materials used in transport—none of which require reporting based on a TPQ in the same way. Therefore, the term that fits the description is Extremely Hazardous Substance.

Threshold reporting under EPCRA applies specifically to Extremely Hazardous Substances. These chemicals have a defined threshold reporting quantity (TPQ); if a release exceeds that TPQ, facilities must immediately report to authorities and notify the community. The other terms describe broad categories—hazardous chemicals in general, hazardous waste, or hazardous materials used in transport—none of which require reporting based on a TPQ in the same way. Therefore, the term that fits the description is Extremely Hazardous Substance.

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