View all text of Subpart B [§ 437.20 - § 437.26]

§ 437.25 - Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7, 403.13 or § 437.20(b), and no later than December 22, 2003, any existing source subject to this subpart must achieve the following pretreatment standards:

Pretreatment Standards (PSES)

Regulated
parameter
Maximum daily 1Maximum monthly avg. 1Metal ParametersChromium0.9470.487 Cobalt56.418.8 Copper0.4050.301 Lead0.2220.172 Tin0.2490.146 Zinc6.954.46 Organic ParametersBis(2-ethylhexyl) phthalate0.2670.158 Carbazole0.3920.233 n-Decane5.793.31 Fluoranthene0.7870.393 n-Octadecane1.220.925

1 mg/L (ppm).

[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]