Wastewater

Wastewater is either a process wastewater or a maintenance wastewater and means water that:
(1) Contains either:
(i) An annual average concentration of Table 9 compounds (as defined under this subpart) of at least 5 parts per million by weight at the point of determination and has an annual average flow rate of 0.02 liter per minute or greater, or
(ii) An annual average concentration of Table 9 compounds (as defined under this subpart) of at least 10,000 parts per million by weight at the point of determination at any flow rate, and that
(2) Is discarded from a process unit, whose primary product is a product produced by a source category subject to this subpart.

Source

40 CFR § 63.1101

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Scoping language

All terms used in this subpart shall have the meaning given them in the Act, in 40 CFR 63.2 (General Provisions), and in this section. The definitions in this section do not apply to waste requirements for ethylene production sources.

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