40 CFR 471.72 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

View all text of Subpart G [§ 471.70 - § 471.76]

§ 471.72 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

(a) Extrusion spent lubricants—subpart G—BAT. There shall be no discharge of process wastewater pollutants.

(b) Extrusion tool contact cooling water.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium extruded		Cadmium	0.007	0.003	Chromium	0.013	0.005	Copper	0.044	0.021	Lead	0.010	0.005	Nickel	0.019	0.013	Fluoride	2.05	0.908	Molybdenum	0.173	0.077

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated		Cadmium	0.006	0.003	Chromium	0.012	0.005	Copper	0.040	0.019	Lead	0.009	0.004	Nickel	0.017	0.012	Fluoride	1.86	0.827	Molybdenum	0.158	0.070

(d) Forging spent lubricants—subpart G—BAT. There shall be no discharge of process wastewater pollutants.

(e) Surface treatment spent baths.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium surface treated		Cadmium	0.006	0.002	Chromium	0.010	0.004	Copper	0.035	0.017	Lead	0.008	0.004	Nickel	0.015	0.010	Fluoride	1.62	0.718	Molybdenum	0.137	0.061

(f) Surface treatment rinse.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium surface treated		Cadmium	0.068	0.027	Chromium	0.125	0.051	Copper	0.432	0.260	Lead	0.095	0.044	Nickel	0.186	0.125	Fluoride	20.1	8.90	Molybdenum	1.70	0.752

(g) Wet air pollution control scrubber blowdown.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium surface treated		Cadmium	0.0007	0.0003	Chromium	0.001	0.0005	Copper	0.005	0.002	Lead	0.001	0.0005	Nickel	0.002	0.001	Fluoride	0.208	0.092	Molybdenum	0.018	0.008

(h) Sawing or grinding spent emulsions.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions		Cadmium	0.001	0.0005	Chromium	0.002	0.0009	Copper	0.007	0.004	Lead	0.002	0.001	Nickel	0.003	0.002	Fluoride	0.338	0.150	Molybdenum	0.029	0.013

(i) Sawing or grinding contact cooling water.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling water		Cadmium	0.033	0.013	Chromium	0.061	0.025	Copper	0.211	0.101	Lead	0.046	0.022	Nickel	0.091	0.061	Fluoride	9.82	4.36	Molybdenum	0.830	0.368

(j) Sawing or grinding rinse.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of sawed or ground uranium rinse		Cadmium	0.001	0.0004	Chromium	0.002	0.0007	Copper	0.006	0.003	Lead	0.002	0.0006	Nickel	0.003	0.002	Fluoride	0.277	0.123	Molybdenum	0.024	0.011

(k) Area cleaning rinse.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium formed		Cadmium	0.009	0.004	Chromium	0.016	0.007	Copper	0.055	0.026	Lead	0.012	0.006	Nickel	0.024	0.016	Fluoride	2.56	1.14	Molybdenum	0.216	0.096

(l) Drum, washwater.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/off-kg (pounds per million off-pounds) of uranium formed		Cadmium	0.009	0.004	Chromium	0.017	0.007	Copper	0.057	0.027	Lead	0.013	0.006	Nickel	0.025	0.017	Fluoride	2.64	1.17	Molybdenum	0.223	0.099

(m) Laundry washwater.

Subpart G—BAT

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/employee—day		Cadmium	5.24	2.10	Chromium	9.70	3.93	Copper	33.6	16.0	Lead	7.34	3.41	Nickel	14.4	9.70	Fluoride	1.560	692	Molybdenum	132	58.4

(n) Degreasing spent solvents—subpart G—BAT. There shall be no discharge of process wastewater pollutants.

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