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40 CFR §438.10

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)This subpart applies to process wastewater directly discharged from facilities specified at § 438.1.
  2. (b)This subpart applies to process wastewater discharges from oily operations (as defined at § 438.2(f) and appendix B of this part).
  3. (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).