---
kind: "section"
citation: "42 U.S.C. § 9602"
title: "42"
title_heading: "The Public Health and Welfare"
number: "9602"
heading: "Designation of additional hazardous substances and establishment of reportable released quantities; regulations"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/9602"
units:
  - "Chapter 103 — Comprehensive Environmental Response, Compensation, and Liability"
  - "Subchapter I — Hazardous Substances Releases, Liability, Compensation"
---

# §9602. Designation of additional hazardous substances and establishment of reportable released quantities; regulations

- (a) The [Administrator](/usc/42/9601.md?p=2) shall promulgate and revise as may be appropriate, regulations designating as [hazardous substances](/usc/42/9601.md?p=14), in addition to those referred to in [section 9601(14) of this title](/usc/42/9601.md?p=14), such elements, compounds, mixtures, solutions, and substances which, when released into the [environment](/usc/42/9601.md?p=8) may present substantial danger to the public health or welfare or the [environment](/usc/42/9601.md?p=8), and shall promulgate regulations establishing that quantity of any [hazardous substance](/usc/42/9601.md?p=14) the [release](/usc/42/9601.md?p=22) of which shall be reported pursuant to [section 9603 of this title](/usc/42/9603.md). The [Administrator](/usc/42/9601.md?p=2) may determine that one single quantity shall be the reportable quantity for any [hazardous substance](/usc/42/9601.md?p=14), regardless of the medium into which the [hazardous substance](/usc/42/9601.md?p=14) is released. For all [hazardous substances](/usc/42/9601.md?p=14) for which proposed regulations establishing reportable quantities were published in the Federal Register under this subsection on or before March 1, 1986, the [Administrator](/usc/42/9601.md?p=2) shall promulgate under this subsection final regulations establishing reportable quantities not later than December 31, 1986. For all [hazardous substances](/usc/42/9601.md?p=14) for which proposed regulations establishing reportable quantities were not published in the Federal Register under this subsection on or before March 1, 1986, the [Administrator](/usc/42/9601.md?p=2) shall publish under this subsection proposed regulations establishing reportable quantities not later than December 31, 1986, and promulgate final regulations under this subsection establishing reportable quantities not later than April 30, 1988.”
- (b) Unless and until superseded by regulations establishing a reportable quantity under [subsection (a)](#a) of this section for any [hazardous substance](/usc/42/9601.md?p=14) as defined in [section 9601(14) of this title](/usc/42/9601.md?p=14), (1) a quantity of one pound, or (2) for those [hazardous substances](/usc/42/9601.md?p=14) for which reportable quantities have been established pursuant to [section 1321(b)(4) of title 33](/usc/33/1321.md?p=b-4), such reportable quantity, shall be deemed that quantity, the [release](/usc/42/9601.md?p=22) of which requires notification pursuant to [section 9603(a)](/usc/42/9603.md?p=a) or (b) of this title.

## Source credit

(Pub. L. 96–510, title I, § 102, Dec. 11, 1980, 94 Stat. 2772; Pub. L. 99–499, title I, § 102, Oct. 17, 1986, 100 Stat. 1617.)

## Notes

### Editorial Notes

### Amendments

1986—Subsec. (a). Pub. L. 99–499 inserted provisions setting deadlines for promulgation of proposed and final regulations.