40 CFR § 425.64 Leather Tanning and Finishing Point Source Category

§ 425.64 New source performance standards (NSPS).

Current through Aug 22, 2025 · Read all of Part 425

Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

Pollutant or pollutant propertyBPT limitations
Maximum for any 1 dayMaximum for monthly average
Kg/kkg (or pounds per 1,000 pounds) of raw material
BOD53.21.5
TSS4.72.1
Oil & Grease1.40.61
Total Chromium0.080.03
pH( 1)( 1)

1 Within the range of 6.0 to 9.0.

[47 FR 52870, Nov. 23, 1982, as amended at 53 FR 9183, Mar. 21, 1988]

← § 425.63 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).§ 425.65 Pretreatment standards for existing sources (PSES). →