§751.703. Definitions.
40 C.F.R. § 751.703
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).
Notes, amendments, and revision history
Source
Source: 89 FR 103551, Dec. 18, 2024, unless otherwise noted.
Authority
Authority: 15 U.S.C. 2605, 15 U.S.C. 2625(l)(4).
Source
Source: 84 FR 11435, Mar. 27, 2019, unless otherwise noted.