40 C.F.R. §401.17 - pH Effluent limitations under continuous monitoring

Cite as40 C.F.R. §401.17
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1 cases
  • Sierra Club v. Shell Oil Co., s. 85-3753
    • United States
    • United States Courts of Appeals. United States Court of Appeals (5th Circuit)
    • May 29, 1987
    ...itself promulgated rules in 1982 reducing the generally required "pH" excursion compliance rate from 100% to only 99% compliance. See 40 C.F.R. Sec. 401.17 (1986). The EPA determined that adjusting the standard "will establish a standard that well-operated and well-maintained plants could r......

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