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 TiCl 4 produced Chromium (total) 0.346 0.140 Lead 0.262 0.122 Nickel 0.515 0.346 Titanium 0.496 0.215 (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 TiCl 4 produced Chromium (total) 0.385 0.156 Lead 0.291 0.135 Nickel 0.572 0.385 Titanium 0.551 0.239 (c) TiCl 4 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 TiCl 4 handled Chromium (total) 0.069 0.028 Lead 0.052 0.024 Nickel 0.103 0.069 Titanium 0.099 0.043 (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) 1.528 0.620 Lead 1.156 0.537 Nickel 2.272 1.528 Titanium 2.189 0.950 (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) 0.787 0.319 Lead 0.595 0.276 Nickel 1.169 0.787 Titanium 1.127 0.489 (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) 11.010 4.463 Lead 8.332 3.868 Nickel 16.370 11.010 Titanium 15.770 6.844 (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) 0.474 0.192 Lead 0.359 0.167 Nickel 0.705 0.474 Titanium 0.679 0.295 (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) 0.848 0.344 Lead 0.642 0.298 Nickel 1.261 0.848 Titanium 1.215 0.527 (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) 4.381 1.776 Lead 3.315 1.539 Nickel 6.512 4.381 Titanium 6.275 2.723 (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) 0.239 0.097 Lead 0.181 0.084 Nickel 0.356 0.239 Titanium 0.343 0.149 (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) 0.023 0.009 Lead 0.017 0.008 Nickel 0.034 0.023 Titanium 0.032 0.014 (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) 0.084 0.034 Lead 0.064 0.030 Nickel 0.125 0.084 Titanium 0.120 0.052 (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) 6.684 2.710 Lead 5.058 2.348 Nickel 9.935 6.684 Titanium 9.574 4.155 (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) 0.176 0.072 Lead 0.134 0.062 Nickel 0.262 0.176 Titanium 0.253 0.110 (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) 27.000 10.950 Lead 20.430 9.486 Nickel 40.140 27.000 Titanium 38.68 16.78