Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.303 Effluent limitations guidelines representing the degreeavailable 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------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of TiCl4

produced

--------------Chromium (total).............................. 0.346 0.140Lead.......................................... 0.262 0.122Nickel........................................ 0.515 0.346Titanium...................................... 0.496 0.215------------------------------------------------------------------------

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

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of TiCl4

produced

--------------Chromium (total).............................. 0.385 0.156Lead.......................................... 0.291 0.135Nickel........................................ 0.572 0.385Titanium...................................... 0.551 0.239------------------------------------------------------------------------

(c) TiCl4 handling wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of TiCl4

handled

--------------Chromium (total).............................. 0.069 0.028Lead.......................................... 0.052 0.024Nickel........................................ 0.103 0.069Titanium...................................... 0.099 0.043------------------------------------------------------------------------

(d) Reduction area wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 1.528 0.620Lead.......................................... 1.156 0.537Nickel........................................ 2.272 1.528Titanium...................................... 2.189 0.950------------------------------------------------------------------------

(e) Melt cell wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 0.787 0.319Lead.......................................... 0.595 0.276Nickel........................................ 1.169 0.787Titanium...................................... 1.127 0.489------------------------------------------------------------------------

(f) Chlorine liquefaction wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 11.010 4.463Lead.......................................... 8.332 3.868Nickel........................................ 16.370 11.010Titanium...................................... 15.770 6.844------------------------------------------------------------------------

(g) Sodium reduction container reconditioning wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 0.474 0.192Lead.......................................... 0.359 0.167Nickel........................................ 0.705 0.474Titanium...................................... 0.679 0.295------------------------------------------------------------------------

(h) Chip crushing wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 0.848 0.344Lead.......................................... 0.642 0.298Nickel........................................ 1.261 0.848Titanium...................................... 1.215 0.527------------------------------------------------------------------------

(i) Acid leachate and rinse water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 4.381 1.776Lead.......................................... 3.315 1.539Nickel........................................ 6.512 4.381Titanium...................................... 6.275 2.723------------------------------------------------------------------------

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

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium produced

--------------Chromium (total).............................. 0.239 0.097Lead.......................................... 0.181 0.084Nickel........................................ 0.356 0.239Titanium...................................... 0.343 0.149------------------------------------------------------------------------

(k) Acid pickle and wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium pickled

--------------Chromium (total).............................. 0.023 0.009Lead.......................................... 0.017 0.008Nickel........................................ 0.034 0.023Titanium...................................... 0.032 0.014------------------------------------------------------------------------

(l) Scrap milling wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of scrap

milled

--------------Chromium (total).............................. 0.084 0.034Lead.......................................... 0.064 0.030Nickel........................................ 0.125 0.084Titanium...................................... 0.120 0.052------------------------------------------------------------------------

(m) Scrap detergent wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of scrap

washed

--------------Chromium (total).............................. 6.684 2.710Lead.......................................... 5.058 2.348Nickel........................................ 9.935 6.684Titanium...................................... 9.574 4.155------------------------------------------------------------------------

(n) Casting crucible wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

titanium cast

--------------Chromium (total).............................. 0.176 0.072Lead.......................................... 0.134 0.062Nickel........................................ 0.262 0.176Titanium...................................... 0.253 0.110------------------------------------------------------------------------

(o) Casting contact cooling water.

BAT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of titanium cast

---------------Chromium (total)............................ 27.000 10.950Lead........................................ 20.430 9.486Nickel...................................... 40.140 27.000Titanium.................................... 38.68 16.78------------------------------------------------------------------------