310 CMR, § 72.02
POTW Permit means a permit issued by a Publicly Owned Treatment Works (POTW).
Industrial Wastewater means wastewater resulting from any process of industry, trade or business, regardless of volume or pollutant content. Wastewater which contains only sanitary waste, and/or non-contact cooling water, compressor or air conditioner condensate is not considered industrial wastewater for purposes of determining applicability of the regulations at 310 CMR 72.00.
Publicly Owned Treatment Works or POTW means any device or system used in the treatment (including recycling and reclamation) of sewage or industrial wastewater which is owned by a public entity. A POTW includes any sewers, pipes, or other conveyances only if they convey wastewater to a POTW providing treatment.
Separator water means the wastewater phase produced by a water separator, such as a refrigerated condensor, carbon adsorber, still or muck cooker, used for the recovery of perchloroethylene vapors from dry cleaning equipment at a dry cleaning facility subject to 310 CMR 7.26. The following terms shall have the same meaning as set forth in 310 CMR 7.26(11): "water separator", "refrigerated condensor", "carbon adsorber", "still", and "muck cooker".
310 CMR, § 72.02