40 CFR § 721.10280 - Benzene ethenyl-, polymer with 1,3-butadiene, brominated.

---
identifier: "/us/cfr/t40/s721.10280"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 721.10280 - Benzene ethenyl-, polymer with 1,3-butadiene, brominated."
title_number: 40
title_name: "Protection of Environment"
section_number: "721.10280"
section_name: "Benzene ethenyl-, polymer with 1,3-butadiene, brominated."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "721"
part_name: "SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2604, 2607, and 2625(c)."
regulatory_source: "49 FR 35018, Sept. 5, 1984, unless otherwise noted."
cfr_part: "721"
---


# 721.10280 Benzene ethenyl-, polymer with 1,3-butadiene, brominated.

(a) *Chemical substance and significant new uses subject to reporting.* (1) The chemical substance identified as benzene ethenyl-, polymer with 1,3-butadiene, brominated (PMN P-10-476; CAS No. 1195978-93-8)) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.

(2) The significant new uses are:

(i) *Industrial, commercial, and consumer activities.* Requirements as specified in § 721.80(j) (manufacture by the method where the average number molecular weight is in the range of 1000 to 10,000 daltons, or where less than 5 percent of the particles are in the respirable range of 10 microns or less and the average number molecular weight is greater than or equal to 10,000 daltons).

(ii) [Reserved]

(b) *Specific requirements.* The provisions of subpart A of this part apply to this section except as modified by this paragraph.

(1) *Recordkeeping.* Recordkeeping requirements as specified in § 721.125(a), (b), (c), and (i) are applicable to manufacturers, and processors of this substance.

(2) *Limitations or revocation of certain notification requirements.* The provisions of § 721.185 apply to this section.

[78 FR 38223, June 26, 2013]