Pretreatment standards for new sources (PSNS).

§ 435.34 Pretreatment standards for new sources (PSNS).

(a) PSNS for wastewater from unconventional oil and gas extraction. Except as provided in 40 CFR 403.7 and 403.13, any new source with discharges subject to this section must achieve the following pretreatment standards for new sources (PSNS).

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