Wastewater

Wastewater means water that is discarded from a CMPU or control device and that contains at least 5 ppmw of any HAP listed in Table 9 to 40 CFR part 63, subpart G and has an annual average flow rate of 0.02 liters per minute. Wastewater means both process wastewater and maintenance wastewater that is discarded from a CMPU or control device. The following are not considered wastewater for the purposes of this subpart:
(1) Stormwater from segregated sewers;
(2) Water from fire-fighting and deluge systems, including testing of such systems;
(3) Spills;
(4) Water from safety showers;
(5) Samples of a size not greater than reasonably necessary for the method of analysis that is used;
(6) Equipment leaks;
(7) Wastewater drips from procedures such as disconnecting hoses after cleaning lines; and
(8) Noncontact cooling water.

Source

40 CFR § 63.11502


Scoping language

The following terms used in this subpart have the meaning given them in the CAA, 63.2, subpart SS ( 63.981), subpart WW ( 63.1061), 40 CFR 60.111b, subpart F ( 63.101), subpart G ( 63.111), subpart FFFF ( 63.2550), as specified after each term:

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