Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS). The mass of the wastewater introduced into a POTW shall not exceed the following values:
(a) Rolling spent neat oils--subpart H--PSNS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc rolled with
emulsions
--------------------------Chromium..................................... 0.0005 0.0002Copper....................................... 0.002 0.0009Cyanide...................................... 0.0003 0.0001Zinc......................................... 0.002 0.0006------------------------------------------------------------------------
(c) Rolling contact cooling water.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc rolled with contact
cooling water
-------------------------Chromium...................................... 0.020 0.008Copper........................................ 0.069 0.033Cyanide....................................... 0.011 0.004Zinc.......................................... 0.055 0.023------------------------------------------------------------------------
(d) Drawing spent emulsions.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc drawn with emulsions
--------------------------Chromium..................................... 0.002 0.0009Copper....................................... 0.008 0.004Cyanide...................................... 0.001 0.0005Zinc......................................... 0.006 0.003------------------------------------------------------------------------
(e) Direct chill casting contact cooling water.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc cast by the direct
chill method
-------------------------Chromium...................................... 0.019 0.008Copper........................................ 0.065 0.031Cyanide....................................... 0.010 0.004Zinc.......................................... 0.052 0.021------------------------------------------------------------------------
(f) Stationary casting contact cooling water--subpart H--PSNS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc heat treated
-------------------------Chromium...................................... 0.029 0.012Copper........................................ 0.098 0.047Cyanide....................................... 0.016 0.006Zinc.......................................... 0.078 0.032------------------------------------------------------------------------
(h) Surface treatment spent baths.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc surface treated
-------------------------Chromium...................................... 0.033 0.014Copper........................................ 0.114 0.054Cyanide....................................... 0.018 0.007Zinc.......................................... 0.091 0.038------------------------------------------------------------------------
(i) Surface treatment rinse.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc surface treated
-------------------------Chromium...................................... 0.133 0.054Copper........................................ 0.459 0.219Cyanide....................................... 0.072 0.029Zinc.......................................... 0.365 0.151------------------------------------------------------------------------
(j) Alkaline cleaning spent baths.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc alkaline cleaned
--------------------------Chromium..................................... 0.002 0.0006Copper....................................... 0.005 0.002Cyanide...................................... 0.0007 0.0003Zinc......................................... 0.004 0.002------------------------------------------------------------------------
(k) Alkaline cleaning rinse.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc alkaline cleaned
---------------------------Chromium.................................... 0.626 0.254Copper...................................... 2.17 1.03Cyanide..................................... 0.338 0.134Zinc........................................ 1.73 0.710------------------------------------------------------------------------
(l) Sawing or grinding spent emulsions.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc sawed or ground
with emulsions
-------------------------Chromium...................................... 0.009 0.004Copper........................................ 0.031 0.015Cyanide....................................... 0.005 0.002Zinc.......................................... 0.025 0.010------------------------------------------------------------------------
(m) Electrocoating rinse.
Subpart H--PSNS------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
zinc electrocoated
-------------------------Chromium...................................... 0.085 0.035Copper........................................ 0.293 0.140Cyanide....................................... 0.046 0.019Zinc.......................................... 0.234 0.096------------------------------------------------------------------------
(n) Decreasing spent solvents--subpart H--PSNS. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]