40 CFR 420.86: Pretreatment standards for new sources (PSNS).

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 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Chromium 0.00292 0.00117

Nickel 0.00263 0.000876

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Chromium 0.00175 0.000701

Nickel 0.00158 0.000526

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Chromium 0.00709 0.00284

Nickel 0.00638 0.00213

(4) Continuous.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Chromium 0.00138 0.000551

Nickel 0.00124 0.000413

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Cyanide 0.00102 0.000339

Chromium 0.00136 0.000542

Nickel 0.00122 0.000407

(2) Continuous.

Subpart H

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any 1 day Average of daily values for 30 consecutive days

Kg/kkg (pounds per 1,000 lb) of product

Cyanide 0.00569 0.00190

Chromium 0.00759 0.00304

Nickel 0.00683 0.00228