Appendix E
Okla. Admin. Code tit. 252, ch. 626, app. E
Gravel Support for Rapid Rate Slow Sand Filters
Effective Sep 15, 201633 Ok Reg 1472Added 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 9-15-16Department of Environmental Quality
Figure 1
Figure 2
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