40 CFR 421.182 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

View all text of Subpart P [§ 421.180 - § 421.187]

§ 421.182 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Still liquor.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of germanium chlorinated		Arsenic	131.700	58.590	Lead	26.460	12.600	Zinc	91.980	38.430	Fluoride	2,205.000	1,254.000	Total suspended solids	2,583.000	1,229.000	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Chlorinator wet air pollution control.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of germanium chlorinated		Arsenic	27.530	12.250	Lead	5.531	2.634	Zinc	19.230	8.034	Fluoride	461.000	262.100	Total suspended solids	540.000	256.800	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Germanium hydrolysis filtrate.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of germanium hydrolyzed		Arsenic	39.440	17.550	Lead	7.925	3.774	Zinc	27.550	11.510	Fluoride	660.500	375.500	Total suspended solids	773.700	368.000	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(d) Acid wash and rinse water.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of germanium washed		Arsenic	325.500	144.800	Lead	65.400	31.140	Zinc	227.400	94.990	Fluoride	5,450.000	3,099.000	Total suspended solids	6,385.000	3,037.000	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Gallium hydrolysis filtrate.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of gallium hydrolyzed		Arsenic	70.450	31.350	Lead	14.160	6.742	Zinc	49.220	20.560	Fluoride	1,180.000	670.800	Total suspended solids	1,382.000	657.300	pH	( 1)	1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Solvent extraction raffinate.

BPT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of gallium produced by solvent extraction		Arsenic	39.330	17.500	Lead	7.904	3.764	Zinc	27.480	11.480	Fluoride	658.700	374.500	Total suspended solids	771.600	367.000	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.

SOURCE: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.

CITE AS: 40 CFR 421.182