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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 626. Public Water Supply Construction Standards |
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Appendix E. Gravel Support for Rapid Rate Slow Sand Filters |
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[Source: Added at 18 Ok Reg 1612, eff 6-1-01; Revoked and reenacted at 25 Ok Reg 2304, eff 7-11-08; Revoked and reenacted at 33 Ok Reg 1472, eff 9-15-16] |
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