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Code of Federal Regulations Title 40. Protection of Environment § 40.421.236 Pretreatment standards for new sources

Current as of October 02, 2022 | Updated by FindLaw Staff

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

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/kg (pounds per million pounds) of copper, nickel, and cobalt in the crushed raw material

Copper

0.099

0.047

Nickel

0.042

0.028

Ammonia (as N)

10.260

4.512

Cobalt

0.011

0.005

(b) Nickel wash water.

PSNS FOR THE PRIMARY NICKEL AND COBALT SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/kg (pounds per million pounds) of nickel powder washed

Copper

0.043

0.021

Nickel

0.019

0.013

Ammonia (as N)

4.515

1.985

Cobalt

0.005

0.002

(c) Nickel reduction decant.

PSNS FOR THE PRIMARY NICKEL AND COBALT SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/kg (pounds per million pounds) nickel produced

Copper

 16.250

7.744

Nickel

 6.982

4.697

Ammonia (as N)

1,692.000

743.900

Cobalt

 1.777

0.889

(d) Cobalt reduction decant.

PSNS FOR THE PRIMARY NICKEL AND COBALT SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/kg (pounds per million pounds) of cobalt produced

Copper

 27.390

 13.050

Nickel

 11.770

 7.917

Ammonia (as N)

2,852.000

1,254.000

Cobalt

 2.996

 1.498
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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.421.236 Pretreatment standards for new sources - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-421-236/

Read this complete Code of Federal Regulations Title 40. Protection of Environment § 40.421.236 Pretreatment standards for new sources on Westlaw

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