(RQ) - that quantity of a hazardous substance, as set forth in 40 CFR 302.4, which when released into the environment within any 24-hour period, requires an immediate report to the National Response Center.
The designated amount released into the environment for hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act, requiring a report to the National Response Center.
The quantity specified in Column 2 of the Appendix to Sec. 172.101 for any material identified in Column 1 of the Appendix.
The minimum quantity of a hazardous substance which, if released, is required to be reported.
a hazardous substance defined by the DOT with specific quantity limits per package that require notification of the National Response Center and if the specified quantity is released as the result of a spill.
Compare? Amount of a hazardous or extremely hazardous substance that, if released into the environment, must be reported to the NRC, the SERC, and the LEPC under Section 304 of EPCRA.
the quantity (per single package) which equals or exceeds the quantity specified in column 3 of the List of Hazardous Substances and Reportable Quantities. Reportable quantities are treated as hazardous materials and have specific spill reporting requirements.
Under U.S. environmental law, the minimum quantity of environmentally hazardous material whose disposal or leakage must be reported by the owner or user of the material.
As set forth in the Clean Water Act, the minimum amount (pounds or kilograms) of a substance that may be discharged in a 24 hour period that require notification of the appropriate government agency.
Quantity of a hazardous substance that triggers reports under CERCLA. If a substance exceeds its RQ, the release must be reported to the National Response Center, the SERC, and community emergency coordinators for areas likely to be affected.