Variance means any mechanism or provision under section 301 or 316 of CWA or under 40 CFR part 125, or in the applicable effluent limitations guidelines which allows modification to or waiver of the generally applicable effluent limitation requirements or time deadlines of CWA. This includes provisions which allow the establishment of alternative limitations based on fundamentally different factors or on sections 301, 301(g), 301(h), 301(i), or 316(a) of CWA.


40 CFR § 122.2

Scoping language

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