40 CFR 471.85 - Pretreatment standards for new sources (PSNS).

View all text of Subpart H [§ 471.80 - § 471.86]

§ 471.85 - 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 (PSNS). The mass of the wastewater introduced into a POTW shall not exceed the following values:

(a) Rolling spent neat oils—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.

(b) Rolling spent emulsions.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions		Chromium	0.0005	0.0002	Copper	0.002	0.0009	Cyanide	0.0003	0.0001	Zinc	0.002	0.0006

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water		Chromium	0.020	0.008	Copper	0.069	0.033	Cyanide	0.011	0.004	Zinc	0.055	0.023

(d) Drawing spent emulsions.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions		Chromium	0.002	0.0009	Copper	0.008	0.004	Cyanide	0.001	0.0005	Zinc	0.006	0.003

(e) Direct chill casting contact cooling water.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method		Chromium	0.019	0.008	Copper	0.065	0.031	Cyanide	0.010	0.004	Zinc	0.052	0.021

(f) Stationary casting contact cooling water—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.

(g) Heat treatment contact cooling water.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc heat treated		Chromium	0.029	0.012	Copper	0.098	0.047	Cyanide	0.016	0.006	Zinc	0.078	0.032

(h) Surface treatment spent baths.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc surface treated		Chromium	0.033	0.014	Copper	0.114	0.054	Cyanide	0.018	0.007	Zinc	0.091	0.038

(i) Surface treatment rinse.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc surface treated		Chromium	0.133	0.054	Copper	0.459	0.219	Cyanide	0.072	0.029	Zinc	0.365	0.151

(j) Alkaline cleaning spent baths.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned		Chromium	0.002	0.0006	Copper	0.005	0.002	Cyanide	0.0007	0.0003	Zinc	0.004	0.002

(k) Alkaline cleaning rinse.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned		Chromium	0.626	0.254	Copper	2.17	1.03	Cyanide	0.338	0.134	Zinc	1.73	0.710

(l) Sawing or grinding spent emulsions.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions		Chromium	0.009	0.004	Copper	0.031	0.015	Cyanide	0.005	0.002	Zinc	0.025	0.010

(m) Electrocoating rinse.

Subpart H—PSNS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of zinc electrocoated		Chromium	0.085	0.035	Copper	0.293	0.140	Cyanide	0.046	0.019	Zinc	0.234	0.096

(n) Decreasing spent solvents—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]