Appendix D
Okla. Admin. Code tit. 252, ch. 626, app. D
Gravel Support for Slow Sand Filters
Effective Jun 1, 200118 Ok Reg 1612Added at 18 Ok Reg 1612, eff 6-1-01Department of Environmental Quality
Figure 1
Added at 18 Ok Reg 1612, eff 6-1-01
Okla. Admin. Code tit. 252, ch. 626, app. D
Figure 1
Added at 18 Ok Reg 1612, eff 6-1-01