In light liquid service

In light liquid service means that a piece of equipment in off-site material service contains or contacts a liquid that meets the following conditions:
(1) The vapor pressure of one or more of the organic compounds is greater than 0.3 kilopascals at 20 °C;
(2) The total concentration of the pure organic compounds constituents having a vapor pressure greater than 0.3 kilopascals at 20 °C is equal to or greater than 20 percent by weight of the total process stream; and
(3) The fluid is a liquid at operating conditions. Note to In light liquid service: Vapor pressures may be determined by the methods described in 40 CFR 60.485(e)(1).

Source

40 CFR § 63.681

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Scoping language

All terms used in this subpart shall have the meaning given to them in this section, 40 CFR 63.2 of this part, and the Act.

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