Ill. Admin. Code tit. 77, 890, Subpart M, Appendix K ILLUSTRATION N

Current through Register Vol. 48, No. 25, June 21, 2024

Trap Weir/Hydraulic Gradient

(Referenced in Section 890.1470(b) and (d))

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Ill. Admin. Code tit. 77, 890, Subpart M, Appendix K ILLUSTRATION N

Amended at 38 Ill. Reg. 9940, effective April 24, 2014