Reportable Quantity

{
  "id": "MLC-T-ENV-023893",
  "term": "Reportable Quantity",
  "field": "Environment",
  "definition": "1. 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.\n\n2. The RQ is the quantity of hazardous substances that, when released into the environment, can cause substantial endangerment to public health or the environment. Under CERCLA, the federal government must be notified when quantities equaling or exceeding RQs specified in regulations are released.\n\n3. 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.\n\n4. Quantities that may be harmful as set forth in § 117.3, the discharge of which is a violation of section 311(b)(3) and requires notice as set forth in § 117.21,\n\n5. For any CERCLA hazardous substance, the quantity established in Table 302.4 of 40 CFR 302.4, for such substance. For any EHS, reportable quantity means the quantity established in Appendices A and B of this part for such substance. Unless and until superseded by regulations establishing a reportable quantity for newly listed EHSs or CERCLA hazardous substances, a weight of 1 pound shall be the reportable quantity.\n\n6. That quantity, as set forth in this part, the release of which requires notification pursuant to this part;United States include the several States of the United States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, American Samoa, the United States Virgin Islands, the Commonwealth of the Northern Marianas, and any other territory or possession over which the United States has jurisdiction.\n\n7. Quantities that may be harmful as set forth in § 117.3, the discharge into the environment during a 24-hour period, which is a violation of Clean Water Act section 311(b)(3) and requires notice as set forth in § 117.21.",
  "abbreviation": "RQ",
  "synonyms": [
    "RFQ"
  ],
  "subject": "General environmental",
  "references": [
    "Environmental Issues Terms & Acronyms",
    "Waste and Cleanup Risk Assessment Glossary",
    "Terms of Environment",
    "40 CFR 117.1 (CFR 2013)",
    "40 CFR 355.61 (CFR 2013)",
    "40 CFR 302.3 (CFR 2013)",
    "40 CFR 118 (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/reportable-quantity/"
}