# 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

For 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide, cas no. is 115-29-7; cercla rq (lbs) is 1; rcra waste number is P050; regulatory categories is 1,2,4, verified against its source on 2026-08-05.

- **Substance:** 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide _(verified: appears in the quote below)_
- **CAS No.:** 115-29-7 _(verified: appears in the quote below)_
- **CERCLA RQ (lbs):** 1 _(verified: appears in the quote below)_
- **RCRA waste number:** P050 _(verified: appears in the quote below)_
- **Regulatory categories:** 1,2,4 _(verified: appears in the quote below)_

## What the source says

> 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide | 115-29-7 | 1,2,4 | P050 | 1 (0.454)

## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)](https://referencesource.org/chemical-regulatory-reporting-thresholds/).