Collapse to view only § 421.306 - Pretreatment standards for new sources.

§ 421.300 - Applicability: Description of the primary and secondary titanium subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of titanium at primary and secondary titanium facilities. Facilities which only practice vacuum distillation for sponge purification and which do not practice electrolytic recovery of magnesium are exempt from regulations. All other primary and secondary titanium facilities are covered by these regulations.

§ 421.301 - Specialized definitions.

For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

§ 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)0.4120.168 Lead0.3930.187 Nickel1.7971.189 Titanium0.8800.384 Oil and grease18.72011.230 Total suspended solids38.38018.250 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)0.4120.168 Chromium (total)0.4580.187 Lead0.4370.208 Nickel1.9971.321 Titanium0.9780.426 Oil and grease20.80012.480 Total suspended solids42.64020.280 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)0.0820.034 Lead0.0790.037 Nickel0.3590.237 Titanium0.1760.077 Oil and grease3.7402.244 Total suspended solids7.6673.647 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)18.1707.435 Lead17.3508.261 Nickel79.30052.450 Titanium38.82016.930 Oil and grease826.100495.600 Total suspended solids1,693.000805.400 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)9.3523.826 Lead8.9274.251 Nickel40.81026.990 Titanium19.9808.714 Oil and grease425.100255.000 Total suspended solids871.400414.500 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)130.90053.560 Lead125.00059.510 Nickel571.300377.900 Titanium279.700122.000 Oil and grease5,951.0003,571.000 Total suspended solids12,200.0005,702.000 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)0.5640.231 Lead0.5380.256 Nickel2.4611.628 Titanium1.2050.526 Oil and grease25.64015.380 Total suspended solids52.56025.000 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)10.0904.126 Lead9.6274.584 Nickel44.01029.110 Titanium21.5509.398 Oil and grease458.400275.100 Total suspended solids939.800447.000 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)5.2102.131 Lead4.9732.368 Nickel22.73015.040 Titanium11.1304.854 Oil and grease236.800142.100 Total suspended solids485.400230.900 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)2.8471.165 Lead2.7171.294 Nickel12.4208.217 Titanium6.0822.653 Oil and grease129.40077.640 Total suspended solids265.300126.200 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)0.0270.011 Lead0.0260.012 Nickel0.1170.077 Titanium0.0570.025 Oil and grease1.2200.732 Total suspended solids2.5011.190 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)0.9950.407 Lead0.9500.452 Nickel4.3412.871 Titanium2.1250.927 Oil and grease45.22027.130 Total suspended solids92.70044.090 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)7.9483.252 Lead7.5873.613 Nickel34.68022.940 Titanium16.9807.406 Oil and grease361.300216.800 Total suspended solids740.600352.300 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)0.2100.086 Lead0.2000.095 Nickel0.9160.606 Titanium0.4480.196 Oil and grease9.5405.724 Total suspended solids19.5609.302 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)321.100131.400 Lead306.500145.900 Nickel1,401.000926.800 Titanium685.900299.200 Oil and grease14,590.0008,757.000 Total suspended solids29,920.00014,230.000 pH( 1)( 1)

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

§ 421.303 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

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 available technology economically achievable:

(a) Chlorination off-gas wet air pollution control.

BAT 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)0.3460.140 Lead0.2620.122 Nickel0.5150.346 Titanium0.4960.215

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

BAT 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)0.3850.156 Lead0.2910.135 Nickel0.5720.385 Titanium0.5510.239

(c) TiCl4 handling wet air pollution control.

BAT 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)0.0690.028 Lead0.0520.024 Nickel0.1030.069 Titanium0.0990.043

(d) Reduction area wet air pollution control.

BAT 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)1.5280.620 Lead1.1560.537 Nickel2.2721.528 Titanium2.1890.950

(e) Melt cell wet air pollution control.

BAT 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)0.7870.319 Lead0.5950.276 Nickel1.1690.787 Titanium1.1270.489

(f) Chlorine liquefaction wet air pollution control.

BAT 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)11.0104.463 Lead8.3323.868 Nickel16.37011.010 Titanium15.7706.844

(g) Sodium reduction container reconditioning wash water.

BAT 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)0.4740.192 Lead0.3590.167 Nickel0.7050.474 Titanium0.6790.295

(h) Chip crushing wet air pollution control.

BAT 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)0.8480.344 Lead0.6420.298 Nickel1.2610.848 Titanium1.2150.527

(i) Acid leachate and rinse water.

BAT 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)4.3811.776 Lead3.3151.539 Nickel6.5124.381 Titanium6.2752.723

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

BAT 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)0.2390.097 Lead0.1810.084 Nickel0.3560.239 Titanium0.3430.149

(k) Acid pickle and wash water.

BAT 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)0.0230.009 Lead0.0170.008 Nickel0.0340.023 Titanium0.0320.014

(l) Scrap milling wet air pollution control.

BAT 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)0.0840.034 Lead0.0640.030 Nickel0.1250.084 Titanium0.1200.052

(m) Scrap detergent wash water.

BAT 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)6.6842.710 Lead5.0582.348 Nickel9.9356.684 Titanium9.5744.155

(n) Casting crucible wash water.

BAT 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)0.1760.072 Lead0.1340.062 Nickel0.2620.176 Titanium0.2530.110

(o) Casting contact cooling water.

BAT 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)27.00010.950 Lead20.4309.486 Nickel40.14027.000 Titanium38.6816.78

§ 421.304 - Standards of performance for new sources.

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

(a) Chlorination off-gas wet air pollution control.

NSPS 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)0.3460.140 Lead0.2620.122 Nickel0.5150.346 Titanium0.4960.215 Oil and grease9.3609.360 Total suspended solids14.04011.230 pH( 1)( 1)

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

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

NSPS 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)0.3850.156 Lead0.2910.135 Nickel0.5720.385 Titanium0.5510.239 Oil and grease10.40010.400 Total suspended solids15.60012.480 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

(c) TiCl4 handling wet air pollution control.

NSPS 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)0.0690.028 Lead0.0520.024 Nickel0.1030.069 Titanium0.0990.043 Oil and grease1.8701.870 Total suspended solids2.8052.244 pH( 1)( 1)

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

(d) Reduction area wet air pollution control.

NSPS 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)1.5280.620 Lead1.1560.537 Nickel2.2721.528 Titanium2.1890.950 Oil and grease41.30041.300 Total suspended solids61.95049.560 pH( 1)( 1)

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

(e) Melt cell wet air pollution control.

NSPS 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)0.7870.319 Lead0.5950.276 Nickel1.1690.787 Titanium1.1270.489 Oil and grease21.26021.260 Total suspended solids31.89025.510 pH( 1)( 1)

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

(f) Chlorine liquefaction wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of titanium produced Chromium (total)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000 Oil and grease0.0000.000 Total suspended solids0.0000.000 pH( 1)( 1)

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

(g) Sodium reduction container reconditioning wash.

NSPS for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of titanium produced Chromium (total)0.4740.192 Lead0.3590.167 Nickel0.7050.474 Titanium0.6790.295 Oil and grease12.82012.820 Total suspended solids19.23015.380 pH( 1)( 1)

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

(h) Chip crushing wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of titanium produced Chromium (total)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000 Oil and grease0.0000.000 Total suspended solids0.0000.000 pH( 1)( 1)

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

(i) Acid leachate and rinse water.

NSPS for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of titanium produced Chromium (total)4.3811.776 Lead3.3151.539 Nickel6.5124.381 Titanium6.2752.723 Oil and grease118.400118.400 Total suspended solids177.600142.100 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.

NSPS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000 Oil and grease0.0000.000 Total suspended solids0.0000.000 pH( 1)( 1)

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

(k) Acid pickle and wash water.

NSPS 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)0.0230.009 Lead0.0170.008 Nickel0.0340.023 Titanium0.0320.014 Oil and grease0.6100.610 Total suspended solids0.9150.732 pH( 1)( 1)

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

(l) Scrap milling wet air pollution control.

NSPS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000 Oil and grease0.0000.000 Total suspended solids0.0000.000 pH( 1)( 1)

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

(m) Scrap detergent wash water.

NSPS 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)6.6842.710 Lead5.0582.348 Nickel9.9356.684 Titanium9.5744.155 Oil and grease180.600180.600 Total suspended solids271.000216.000 pH( 1)( 1)

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

(n) Casting crucible wash water.

NSPS 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)0.1760.072 Lead0.1340.062 Nickel0.2620.176 Titanium0.2530.110 Oil and grease4.7704.770 Total suspended solids7.1555.724 pH( 1)( 1)

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

(o) Casting contact cooling water.

NSPS 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)27.00010.950 Lead20.4309.486 Nickel40.14027.000 Titanium38.68016.780 Oil and grease729.700729.700 Total suspended solids1,095.000875.700 pH( 1)( 1)

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

§ 421.305 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in primary and secondary titanium process wastewater introduced into a POTW must not exceed the following values:

(a) Chlorination off-gas wet air pollution control.

PSES 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)0.3460.140 Lead0.2620.122 Nickel0.5150.346 Titanium0.4960.215

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

PSES 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)0.3850.156 Lead0.2910.135 Nickel0.5720.385 Titanium0.5510.239

(c) TiCl4 handling wet air pollution control.

PSES 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)0.0690.028 Lead0.0520.024 Nickel0.1030.069 Titanium0.0990.043

(d) Reduction area wet air pollution control.

PSES 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)1.5280.620 Lead1.1560.537 Nickel2.2721.528 Titanium2.1890.950

(e) Melt cell wet air pollution control.

PSES 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)0.7870.319 Lead0.5950.276 Nickel1.1690.787 Titanium1.1270.489

(f) Chlorine liquefaction wet air pollution control.

PSES 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)11.0104.463 Lead8.3323.868 Nickel16.37011.010 Titanium15.7706.844

(g) Sodium reduction container reconditioning wash water.

PSES 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)0.4740.192 Lead0.3590.167 Nickel0.7050.474 Titanium0.6790.295

(h) Chip crushing wet air pollution control.

PSES 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)0.8480.344 Lead0.6420.298 Nickel1.2610.848 Titanium1.2150.527

(i) Acid leachate and rinse water.

PSES 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)4.3811.776 Lead3.3151.539 Nickel6.5124.381 Titanium6.2752.723

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

PSES 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)0.2390.097 Lead0.1810.084 Nickel0.3560.239 Titanium0.3430.149

(k) Acid pickle and wash water.

PSES 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)0.0230.009 Lead0.0170.008 Nickel0.0340.023 Titanium0.0320.014

(l) Scrap milling wet air pollution control.

PSES 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)0.0840.034 Lead0.0640.030 Nickel0.1250.084 Titanium0.1200.052

(m) Scrap detergent wash water.

PSES 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)6.6842.710 Lead5.0582.348 Nickel9.9356.684 Titanium9.5744.155

(n) Casting crucible wash water.

PSES 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)0.1760.072 Lead0.1340.062 Nickel0.2620.176 Titanium0.2530.110

(o) Casting contact cooling water.

PSES 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)27.00010.950 Lead20.4309.486 Nickel40.14027.000 Titanium38.68016.780

§ 421.306 - Pretreatment standards for new sources.

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. The mass of wastewater pollutants in primary and secondary titanium process wastewater introduced into a POTW shall not exceed the following values:

(a) Chlorination off-gas wet air pollution control.

PSNS 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)0.3460.140 Lead0.2620.122 Nickel0.5150.346 Titanium0.4960.215

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

PSNS 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)0.3850.156 Lead0.2910.135 Nickel0.5720.385 Titanium0.5510.239

(c) TiCl4 handling wet air pollution control.

PSNS 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)0.0690.028 Lead0.0520.024 Nickel0.1030.069 Titanium0.0990.043

(d) Reduction area wet air pollution control.

PSNS 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)1.5280.620 Lead1.1560.537 Nickel2.2721.528 Titanium2.1890.950

(e) Melt cell wet air pollution control.

PSNS 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)0.7870.319 Lead0.5950.276 Nickel1.1690.787 Titanium1.1270.489

(f) Chlorine liquefaction wet air pollution control.

PSNS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000

(g) Sodium reduction container reconditioning wash water.

PSNS 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)0.4740.192 Lead0.3590.167 Nickel0.7050.474 Titanium0.6790.295

(h) Chip crushing wet air pollution control.

PSNS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000

(i) Acid leachate and rinse water.

PSNS 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)4.3811.776 Lead3.3151.539 Nickel6.5124.381 Titanium6.2752.723

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

PSNS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000

(k) Acid pickle and wash water.

PSNS 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)0.0230.009 Lead0.0170.008 Nickel0.0340.023 Titanium0.0320.014

(l) Scrap milling wet air pollution control.

PSNS 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)0.0000.000 Lead0.0000.000 Nickel0.0000.000 Titanium0.0000.000

(m) Scrap detergent wash water.

PSNS 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)6.6842.710 Lead5.0582.348 Nickel9.9356.684 Titanium9.5744.155

(n) Casting crucible wash water.

PSNS 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)0.1760.072 Lead0.1340.062 Nickel0.2620.176 Titanium0.2530.110

(o) Casting contact cooling water.

PSNS 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)27.00010.950 Lead20.4309.486 Nickel40.14027.000 Titanium38.68016.780

§ 421.307 - [Reserved]