40 CFR 421.302 - 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 AB [§ 421.300 - § 421.307]

§ 421.302 - 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) Chlorination off-gas wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 produced		Chromium (total)	0.412	0.168	Lead	0.393	0.187	Nickel	1.797	1.189	Titanium	0.880	0.384	Oil and grease	18.720	11.230	Total suspended solids	38.380	18.250	pH	( 1)	( 1)

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

(b) Chlorination area-vent wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 produced		Chromium (total)	0.412	0.168	Chromium (total)	0.458	0.187	Lead	0.437	0.208	Nickel	1.997	1.321	Titanium	0.978	0.426	Oil and grease	20.800	12.480	Total suspended solids	42.640	20.280	pH	( 1)	( 1)

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

(c) TiCl4 handling wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 handled		Chromium (total)	0.082	0.034	Lead	0.079	0.037	Nickel	0.359	0.237	Titanium	0.176	0.077	Oil and grease	3.740	2.244	Total suspended solids	7.667	3.647	pH	( 1)	( 1)

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

(d) Reduction area wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	18.170	7.435	Lead	17.350	8.261	Nickel	79.300	52.450	Titanium	38.820	16.930	Oil and grease	826.100	495.600	Total suspended solids	1,693.000	805.400	pH	( 1)	( 1)

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

(e) Melt cell wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	9.352	3.826	Lead	8.927	4.251	Nickel	40.810	26.990	Titanium	19.980	8.714	Oil and grease	425.100	255.000	Total suspended solids	871.400	414.500	pH	( 1)	( 1)

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

(f) Chlorine liquefaction wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	130.900	53.560	Lead	125.000	59.510	Nickel	571.300	377.900	Titanium	279.700	122.000	Oil and grease	5,951.000	3,571.000	Total suspended solids	12,200.000	5,702.000	pH	( 1)	( 1)

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

(g) Sodium reduction container reconditioning wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	0.564	0.231	Lead	0.538	0.256	Nickel	2.461	1.628	Titanium	1.205	0.526	Oil and grease	25.640	15.380	Total suspended solids	52.560	25.000	pH	( 1)	( 1)

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

(h) Chip crushing wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	10.090	4.126	Lead	9.627	4.584	Nickel	44.010	29.110	Titanium	21.550	9.398	Oil and grease	458.400	275.100	Total suspended solids	939.800	447.000	pH	( 1)	( 1)

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

(i) Acid leachate and rinse water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	5.210	2.131	Lead	4.973	2.368	Nickel	22.730	15.040	Titanium	11.130	4.854	Oil and grease	236.800	142.100	Total suspended solids	485.400	230.900	pH	( 1)	( 1)

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

(j) Sponge crushing and screening wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	2.847	1.165	Lead	2.717	1.294	Nickel	12.420	8.217	Titanium	6.082	2.653	Oil and grease	129.400	77.640	Total suspended solids	265.300	126.200	pH	( 1)	( 1)

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

(k) Acid pickle and wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium pickled		Chromium (total)	0.027	0.011	Lead	0.026	0.012	Nickel	0.117	0.077	Titanium	0.057	0.025	Oil and grease	1.220	0.732	Total suspended solids	2.501	1.190	pH	( 1)	( 1)

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

(l) Scrap milling wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of scrap milled		Chromium (total)	0.995	0.407	Lead	0.950	0.452	Nickel	4.341	2.871	Titanium	2.125	0.927	Oil and grease	45.220	27.130	Total suspended solids	92.700	44.090	pH	( 1)	( 1)

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

(m) Scrap detergent wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of scrap washed		Chromium (total)	7.948	3.252	Lead	7.587	3.613	Nickel	34.680	22.940	Titanium	16.980	7.406	Oil and grease	361.300	216.800	Total suspended solids	740.600	352.300	pH	( 1)	( 1)

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

(n) Casting crucible wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium cast		Chromium (total)	0.210	0.086	Lead	0.200	0.095	Nickel	0.916	0.606	Titanium	0.448	0.196	Oil and grease	9.540	5.724	Total suspended solids	19.560	9.302	pH	( 1)	( 1)

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

(o) Casting contact cooling water.

BPT Limitations for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium cast		Chromium (total)	321.100	131.400	Lead	306.500	145.900	Nickel	1,401.000	926.800	Titanium	685.900	299.200	Oil and grease	14,590.000	8,757.000	Total suspended solids	29,920.000	14,230.000	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 421.302