Okla. Admin. Code tit. 252, ch. 655, subch. 21 - Biological Treatment [Revoked]
- § 252:655-21-1 - Trickling filters [REVOKED]
- § 252:655-21-2 - Activated sludge [REVOKED]
- § 252:655-21-3 - Rotating biological contactors [REVOKED]
- § 252:655-21-4 - Other biological systems [REVOKED]
Notes
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No prior version found.