---
kind: "section"
citation: "40 C.F.R. § 721.10000"
title: "40"
number: "721.10000"
heading: "Certain polybrominated diphenylethers."
url: "https://uscodex.org/cfr/40/721.10000"
---

# §721.10000. Certain polybrominated diphenylethers.

- (a) **Chemical substances and significant new uses subject to reporting.**
  - (1) **The chemical substances identified as tetrabromodiphenyl ether (CAS No.** 40088-47-9; Benzene, 1,1′-oxybis-, tetrabromo deriv.), pentabromodiphenyl ether (CAS No. 32534-81-9; Benzene, 1,1′-oxybis-, pentabromo deriv.), hexabromodiphenyl ether (CAS No. 36483-60-0; Benzene, 1,1′-oxybis-, hexabromo deriv.), heptabromodiphenyl ether (CAS No. 68928-80-3; Benzene, 1,1′-oxybis-, heptabromo deriv.), octabromodiphenyl ether (CAS No. 32536-52-0; Benzene, 1,1′-oxybis-, octabromo deriv.), and nonabromodiphenyl ether (CAS No. 63936-56-1; Benzene, pentabromo(tetrabromophenoxy)-), or any combination of these substances resulting from a chemical reaction are subject to reporting under this section for the significant new uses described in [paragraph (a)(2)](#a-2) of this section.
  - (2) **The significant new use is manufacture or import for any use on or after January 1, 2005.**
- (b) **Specific requirements.** The provisions of subpart A of this part apply to this section except as modified by this paragraph.
  - (1) **Persons who must report.** [Section 721.5](/cfr/40/721.5.md) applies to this section except for [§ 721.5(a)(2)](/cfr/40/721.5.md?p=a-2). A person who intends to manufacture or import for commercial purposes a substance identified in [paragraph (a)(1)](#a-1) of this section and intends to distribute the substance in commerce must submit a significant new use notice.
  - (2) [Reserved]

## Notes

### Amendments

[71 FR 34021, June 13, 2006]

### Authority

Authority: 15 U.S.C. 2604, 2607, and 2625(c).

### Source

Source: 49 FR 35018, Sept. 5, 1984, unless otherwise noted.

### Amendments

[71 FR 34021, June 13, 2006]