§ 421.236 — Pretreatment Standards For New Sources

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with a 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary nickel and cobalt process wastewater introduced into a POTW shall not exceed the following values:

(a) Raw material dust control.

PSNS for the Primary Nickel and Cobalt Subcategory

(b) Nickel wash water.

PSNS for the Primary Nickel and Cobalt Subcategory

(c) Nickel reduction decant.

PSNS for the Primary Nickel and Cobalt Subcategory

(d) Cobalt reduction decant.

PSNS for the Primary Nickel and Cobalt Subcategory