NR 252.94 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86.
NR 252.95NR 252.95Pretreatment standards for existing sources (PSES).
NR 252.95(1)(1)Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards:
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NR 252.95 Note1Within the range 6.0 to 10.0.
NR 252.95(2)(2)Any existing source subject to this subcategory which processes less than 3,600 splits/day shall comply with sub. (1), except that the total chromium limitations contained in sub. (1) do not apply. 
NR 252.95 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. (2), Register, May, 2001, No. 545, eff. 6-1-01.
NR 252.96NR 252.96Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subcategory that introduces process wastewater pollutants into publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.95.
NR 252.96 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86.
NR 252.99NR 252.99Cross-references. The federal citations in this chapter correspond to provisions of the Wisconsin administrative code and Wisconsin statutes. The federal citations can be cross-referenced in the following table:
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NR 252.99 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86.