40 C.F.R. § 455.25

New source performance standards (NSPS).

Last amended: 2016Year: 2026Length: 161 wordsSubsections: 1Official source

Cite as 40 C.F.R. § 455.25 (2026)

(a) Any new source subject to this subpart which discharges process wastewater pollutants must achieve the new source performance standards specified in 40 CFR 455.20(d), and subject to 455.20(a), must meet the following standards for BOD 5 , TSS, COD and pH: New Source Performance Standards Standards Pollutant or pollutant property Maximum for any one day** Average of daily values shall not exceed** COD 9.360 6.480 BOD 5 5.328 1.1520 TSS 4.392 1.2960 pH * * * Within the range 6.0 to 9.0 ** Metric units: Kilogram pollutant /1,000 kg of total organic active ingredients. English units: Pound pollutant/1,000 lb of total organic active ingredients (b) For the priority pollutants, such sources must achieve discharges not exceeding the quantity (mass) determined by multiplying the process wastewater flow subject to this subpart as defined in 40 CFR 455.21(d) times the concentrations listed in table 4 or table 5 of this part, as appropriate, of this subpart. [58 FR 50690, Sept. 28, 1993]
Cross-references to the CFR
40:455.2040:455.21
40 C.F.R. § 455.25: New source performance standards (NSPS). | Justis AI