40 CFR § 425.34 Leather Tanning and Finishing Point Source Category

§ 425.34 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 propertyNSPS
Maximum for any 1 dayMaximum for monthly average
Kg/kkg (or pound per 1,000 lb) of raw material
BOD55.92.7
TSS8.53.9
Oil and grease2.41.1
Total chromium0.150.06
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

← § 425.33 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).§ 425.35 Pretreatment standards for existing sources (PSES). →