The definitions in Subpart A of part 751 apply to this Subpart unless otherwise specified in this section. In addition, the following definitions apply to this Subpart:

3rd generation machine means a dry-to-dry machine with a refrigerated condenser, as those terms are defined in 40 CFR part 63, subpart M.

4th or 5th generation machine means a dry-to-dry machine with a carbon adsorber and refrigerated condenser, as those terms are defined in 40 CFR part 63, subpart M.

Distribute in commerce has the same meaning as in section 3 of the Act, except that the term does not include retailers for purposes of §§ 751.613 and 751.615.

ECEL has the same meaning as in § 751.5 and, for PCE, is an airborne concentration of PCE of 0.14 part per million (ppm).

ECEL action level means a concentration of airborne PCE of 0.10 part per million (ppm) calculated as an eight (8)-hour time-weighted average (TWA).

Energized electrical cleaner means a product that meets both of the following criteria: (1) the product is labeled to clean and/or degrease electrical equipment, where cleaning and/or degreasing is accomplished when electrical current exists, or when there is a residual electrical potential from a component, such as a capacitor; and (2) the product label clearly displays the statements: “Energized Equipment use only. Not to be used for motorized vehicle maintenance, or their parts.”