40 CFR § 799.3 - Definitions.

---
identifier: "/us/cfr/t40/s799.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 799.3 - Definitions."
title_number: 40
title_name: "Protection of Environment"
section_number: "799.3"
section_name: "Definitions."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "799"
part_name: "IDENTIFICATION OF SPECIFIC CHEMICAL SUBSTANCE AND MIXTURE TESTING REQUIREMENTS"
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. 2603, 2611, 2625."
regulatory_source: "49 FR 39817, Oct. 10, 1984, unless otherwise noted."
cfr_part: "799"
---


# 799.3 Definitions.

The definitions in section 3 of the Toxic Substances Control Act (TSCA) and the definitions of § 790.3 of this chapter apply to this part.