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 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. 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 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. 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 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. 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) 1.528 0.620 Lead 1.156 0.537 Nickel 2.272 1.528 Titanium 2.189 0.950 (e) Melt cell wet air pollution control. 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) 0.787 0.319 Lead 0.595 0.276 Nickel 1.169 0.787 Titanium 1.127 0.489 (f) Chlorine liquefaction wet air pollution control. 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) 11.010 4.463 Lead 8.332 3.868 Nickel 16.370 11.010 Titanium 15.770 6.844 (g) Sodium reduction container reconditioning wash water. 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) 0.474 0.192 Lead 0.359 0.167 Nickel 0.705 0.474 Titanium 0.679 0.295 (h) Chip crushing wet air pollution control. 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) 0.848 0.344 Lead 0.642 0.298 Nickel 1.261 0.848 Titanium 1.215 0.527 (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) 4.381 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. 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) 0.239 0.097 Lead 0.181 0.084 Nickel 0.356 0.239 Titanium 0.343 0.149 (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) 0.023 0.009 Lead 0.017 0.008 Nickel 0.034 0.023 Titanium 0.032 0.014 (l) Scrap milling wet air pollution control. 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) 0.084 0.034 Lead 0.064 0.030 Nickel 0.125 0.084 Titanium 0.120 0.052 (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) 6.684 2.710 Lead 5.058 2.348 Nickel 9.935 6.684 Titanium 9.574 4.155 (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) 0.176 0.072 Lead 0.134 0.062 Nickel 0.262 0.176 Titanium 0.253 0.110 (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) 27.000 10.950 Lead 20.430 9.486 Nickel 40.140 27.000 Titanium 38.680 16.780