Standards of performance for new sources.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Nonferrous Metals Manufacturing Point Source Category
  7. Primary and Secondary Titanium Subcategory
  8. Standards of performance for new sources.

Checkout our iOS App for a better way to browser and research.

§ 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.

Expand Table

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) 0.346 0.140
Lead 0.262 0.122
Nickel 0.515 0.346
Titanium 0.496 0.215
Oil and grease 9.360 9.360
Total suspended solids 14.040 11.230
pH (1) (1)

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

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

Expand Table

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) 0.385 0.156
Lead 0.291 0.135
Nickel 0.572 0.385
Titanium 0.551 0.239
Oil and grease 10.400 10.400
Total suspended solids 15.600 12.480
pH (1) (1)

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

(c) TiCl4 handling wet air pollution control.

Expand Table

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) 0.069 0.028
Lead 0.052 0.024
Nickel 0.103 0.069
Titanium 0.099 0.043
Oil and grease 1.870 1.870
Total suspended solids 2.805 2.244
pH (1) (1)

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

(d) Reduction area wet air pollution control.

Expand Table

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) 1.528 0.620
Lead 1.156 0.537
Nickel 2.272 1.528
Titanium 2.189 0.950
Oil and grease 41.300 41.300
Total suspended solids 61.950 49.560
pH (1) (1)

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

(e) Melt cell wet air pollution control.

Expand Table

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) 0.787 0.319
Lead 0.595 0.276
Nickel 1.169 0.787
Titanium 1.127 0.489
Oil and grease 21.260 21.260
Total suspended solids 31.890 25.510
pH (1) (1)

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

(f) Chlorine liquefaction wet air pollution control.

Expand Table

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) 0.000 0.000
Lead 0.000 0.000
Nickel 0.000 0.000
Titanium 0.000 0.000
Oil and grease 0.000 0.000
Total suspended solids 0.000 0.000
pH (1) (1)

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

(g) Sodium reduction container reconditioning wash.

Expand Table

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) 0.474 0.192
Lead 0.359 0.167
Nickel 0.705 0.474
Titanium 0.679 0.295
Oil and grease 12.820 12.820
Total suspended solids 19.230 15.380
pH (1) (1)

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

(h) Chip crushing wet air pollution control.

Expand Table

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) 0.000 0.000
Lead 0.000 0.000
Nickel 0.000 0.000
Titanium 0.000 0.000
Oil and grease 0.000 0.000
Total suspended solids 0.000 0.000
pH (1) (1)

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

(i) Acid leachate and rinse water.

Expand Table

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) 4.381 1.776
Lead 3.315 1.539
Nickel 6.512 4.381
Titanium 6.275 2.723
Oil and grease 118.400 118.400
Total suspended solids 177.600 142.100
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.

Expand Table

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) 0.000 0.000
Lead 0.000 0.000
Nickel 0.000 0.000
Titanium 0.000 0.000
Oil and grease 0.000 0.000
Total suspended solids 0.000 0.000
pH (1) (1)

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

(k) Acid pickle and wash water.

Expand Table

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) 0.023 0.009
Lead 0.017 0.008
Nickel 0.034 0.023
Titanium 0.032 0.014
Oil and grease 0.610 0.610
Total suspended solids 0.915 0.732
pH (1) (1)

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

(l) Scrap milling wet air pollution control.

Expand Table

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) 0.000 0.000
Lead 0.000 0.000
Nickel 0.000 0.000
Titanium 0.000 0.000
Oil and grease 0.000 0.000
Total suspended solids 0.000 0.000
pH (1) (1)

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

(m) Scrap detergent wash water.

Expand Table

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) 6.684 2.710
Lead 5.058 2.348
Nickel 9.935 6.684
Titanium 9.574 4.155
Oil and grease 180.600 180.600
Total suspended solids 271.000 216.000
pH (1) (1)

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

(n) Casting crucible wash water.

Expand Table

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) 0.176 0.072
Lead 0.134 0.062
Nickel 0.262 0.176
Titanium 0.253 0.110
Oil and grease 4.770 4.770
Total suspended solids 7.155 5.724
pH (1) (1)

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

(o) Casting contact cooling water.

Expand Table

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) 27.000 10.950
Lead 20.430 9.486
Nickel 40.140 27.000
Titanium 38.680 16.780
Oil and grease 729.700 729.700
Total suspended solids 1,095.000 875.700
pH (1) (1)

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


Download our app to see the most-to-date content.