40 CFR 421.314 - Standards of performance for new sources.

View all text of Subpart AC [§ 421.310 - § 421.317]

§ 421.314 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Tungsten detergent wash and rinse.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tungsten scrap washed		Copper	0.250	0.119	Nickel	0.107	0.072	Ammonia (as N)	25.990	11.430	Cobalt	0.538	0.236	Tungsten	0.679	0.302	Oil and grease	1.950	1.950	Total suspended solids	2.925	2.340	pH	( 1)	( 1)

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

(b) Tungsten leaching acid.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tungsten produced		Copper	3.291	1.569	Nickel	1.414	0.951	Ammonia (as N)	342.700	150.700	Cobalt	7.096	3.111	Tungsten	8.947	3.985	Oil and grease	25.710	25.710	Total suspended solids	38.570	30.850	pH	( 1)	( 1)

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

(c) Tungsten post-leaching wash and rinse.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tungsten produced		Copper	6.583	3.137	Nickel	2.829	1.903	Ammonia (as N)	685.600	301.400	Tungsten	17.900	7.972	Cobalt	14.194	6.223	Oil and grease	51.430	51.430	Total suspended solids	77.150	61.720	pH	( 1)	( 1)

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

(d) Synthetic scheelite filtrate.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of synthetic scheelite produced		Copper	21.330	10.170	Nickel	9.164	6.165	Ammonia (as N)	2,221.000	976.300	Cobalt	45.984	20.160	Tungsten	57.980	25.820	Oil and grease	166.600	166.600	Total suspended solids	249.900	199.900	pH	( 1)	( 1)

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

(e) Tungsten carbide leaching wet air pollution control.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tungsten carbide scrap leached		Copper	2.241	1.068	Nickel	0.963	0.648	Ammonia (as N)	233.400	102.600	Cobalt	4.833	2.119	Tungsten	6.093	2.714	Oil and grease	17.510	17.510	Total suspended solids	26.270	21.010	pH	( 1)	( 1)

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

(f) Tungsten carbide wash water.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tungsten carbide produced		Copper	10.670	5.083	Nickel	4.583	3.083	Ammonia (as N)	1,111.000	488.300	Cobalt	22.999	10.083	Tungsten	29.000	12.920	Oil and grease	83.330	83.330	Total suspended solids	125.000	100.000	pH	( 1)	( 1)

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

(g) Cobalt sludge leaching wet air pollution control.

NSPS for the Secondary Tungsten 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 from cobalt sludge		Copper	45.80	21.83	Nickel	19.68	13.24	Ammonia (as N)	4,770.00	2,097.00	Cobalt	98.756	43.295	Tungsten	124.50	55.46	Oil and grease	357.80	357.80	Total suspended solids	536.70	429.40	pH	( 1)	( 1)

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

(h) Crystallization decant.

NSPS for the Secondary Tungsten 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	53.310	25.410	Nickel	22.910	15.410	Ammonia (as N)	5,552.000	2,441.000	Cobalt	114.954	50.397	Tungsten	144.900	64.560	Oil and grease	416.500	416.500	Total suspended solids	624.800	499.800	pH	( 1)	( 1)

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

(i) Acid wash decant.

NSPS for the Secondary Tungsten 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	24.400	11.630	Nickel	10.490	7.053	Ammonia (as N)	2,541.000	1,117.000	Cobalt	52.611	23.065	Tungsten	66.340	29.550	Oil and grease	190.600	190.600	Total suspended solids	285.900	228.700	pH	( 1)	( 1)

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

(j) Cobalt hydroxide filtrate.

NSPS for the Secondary Tungsten 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	72.510	34.560	Nickel	31.160	20.960	Ammonia (as N)	7,551.000	3,320.000	Cobalt	156.346	68.543	Tungsten	197.100	87.800	Oil and grease	566.500	566.500	Total suspended solids	849.700	679.800	pH	( 1)	( 1)

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

(k) Cobalt hydroxide filter cake wash.

NSPS for the Secondary Tungsten 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	139.600	66.510	Nickel	59.970	40.340	Ammonia (as N)	14,530.000	6,389.000	Cobalt	300.094	131.932	Tungsten	379.400	169.000	Oil and grease	1,090.000	1,090.000	Total suspended solids	1,636,000	1,308.000	pH	( 1)	( 1)

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

[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31715, 31716, Aug. 3, 1990]

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 421.314