40 CFR 751.703 - Definitions.

Regulations last checked for updates: Jan 30, 2025

Title 40 - Protection of Environment last revised: Nov 08, 2025

View all text of Subpart H [§ 751.701 - § 751.713]

§ 751.703 - Definitions.

The definitions in subpart A of this part apply to this Subpart unless otherwise specified in this section. In addition, the following definitions apply:

ECEL has the same meaning as in § 751.5 and for CTC, is an airborne concentration of carbon tetrachloride of 0.03 parts per million (ppm) calculated as an eight (8)-hour time-weighted average (TWA).

ECEL action level means a concentration of airborne carbon tetrachloride of 0.02 parts per million (ppm) calculated as an eight (8)-hour time-weighted average (TWA).

authority: 15 U.S.C. 2605,15.S.C. 2625(l)(4)

source: 84 FR 11435, Mar. 27, 2019, unless otherwise noted.

cite as: 40 CFR 751.703