40 CFR 438.10 - Applicability.
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(a) This subpart applies to process wastewater directly discharged from facilities specified at § 438.1.
(b) This subpart applies to process wastewater discharges from oily operations (as defined at § 438.2(f) and appendix B of this part).
(c) This subpart does not apply to process wastewater discharges from metal-bearing operations (as defined at § 438.2(d) and appendix C of this part).
Title 40 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 40 CFR Part 438.