subchapter_subject: "SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS"
part_code: "355"
part_subject: "EMERGENCY PLANNING AND NOTIFICATION"
subpart_code: "C"
subpart_subject: "Emergency Release Notification"
section_number: "355.33"
section_subject: "What release quantities of EHSs and CERCLA hazardous substances trigger the emergency release notification requirements of this subpart?"
cfr_reference: "40 CFR 355.33"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 300 to 399"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
The release of a reportable quantity (RQ) of an EHS or CERCLA hazardous substance within any 24-hour period triggers the emergency release notification requirements. RQs for EHSs are listed in Appendices A and B of this part in the column labeled “reportable quantity.” RQs for CERCLA hazardous substances are listed in Table 302.4 of 40 CFR 302.4 in the column labeled “final RQ.”