(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).


Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.