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- Title 40. Protection of Environment
- Chapter I. Environmental Protection Agency
- Subchapter N. Effluent Guidelines and Standards
- Part 401. General Provisions
40 C.F.R. §401.17 - pH Effluent limitations under continuous monitoring
| Cite as | 40 C.F.R. §401.17 |
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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......