Definitions for "Reportable Quantity"
(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.