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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 252. Department of Environmental Quality |
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Chapter 656. Water Pollution Control Facility Construction Standards |
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Subchapter 23. Supplemental Treatment Standards |
| SECTION 252:656-23-1. Effluent filtration |
| SECTION 252:656-23-2. Disc filters [revoked] |
| SECTION 252:656-23-3. Post-aeration |
| SECTION 252:656-23-4. Membrane filtration |