40 C.F.R. § 421.304

Current through September 30, 2024
Section 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.

40 C.F.R. §421.304