CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 471—NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY > SUBPART H—Zinc Forming Subcategory (§471.80 to §471.86) > 471.85—Pretreatment standards for new sources (PSNS).

471.85—Pretreatment standards for new sources (PSNS).

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
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions
Chromium 0.0005 0.0002
Copper 0.002 0.0009
Cyanide 0.0003 0.0001
Zinc 0.002 0.0006
(c) Rolling contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water
Chromium 0.020 0.008
Copper 0.069 0.033
Cyanide 0.011 0.004
Zinc 0.055 0.023
(d) Drawing spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions
Chromium 0.002 0.0009
Copper 0.008 0.004
Cyanide 0.001 0.0005
Zinc 0.006 0.003
(e) Direct chill casting contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method
Chromium 0.019 0.008
Copper 0.065 0.031
Cyanide 0.010 0.004
Zinc 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
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc heat treated
Chromium 0.029 0.012
Copper 0.098 0.047
Cyanide 0.016 0.006
Zinc 0.078 0.032
(h) Surface treatment spent baths.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc surface treated
Chromium 0.033 0.014
Copper 0.114 0.054
Cyanide 0.018 0.007
Zinc 0.091 0.038
(i) Surface treatment rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc surface treated
Chromium 0.133 0.054
Copper 0.459 0.219
Cyanide 0.072 0.029
Zinc 0.365 0.151
(j) Alkaline cleaning spent baths.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned
Chromium 0.002 0.0006
Copper 0.005 0.002
Cyanide 0.0007 0.0003
Zinc 0.004 0.002
(k) Alkaline cleaning rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned
Chromium 0.626 0.254
Copper 2.17 1.03
Cyanide 0.338 0.134
Zinc 1.73 0.710
(l) Sawing or grinding spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions
Chromium 0.009 0.004
Copper 0.031 0.015
Cyanide 0.005 0.002
Zinc 0.025 0.010
(m) Electrocoating rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc electrocoated
Chromium 0.085 0.035
Copper 0.293 0.140
Cyanide 0.046 0.019
Zinc 0.234 0.096
(n) Decreasing spent solvents—Subpart H—PSNS. There shall be no discharge of process wastewater pollutants.

Code of Federal Regulations

[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]
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
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions
Chromium 0.0005 0.0002
Copper 0.002 0.0009
Cyanide 0.0003 0.0001
Zinc 0.002 0.0006
(c) Rolling contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water
Chromium 0.020 0.008
Copper 0.069 0.033
Cyanide 0.011 0.004
Zinc 0.055 0.023
(d) Drawing spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions
Chromium 0.002 0.0009
Copper 0.008 0.004
Cyanide 0.001 0.0005
Zinc 0.006 0.003
(e) Direct chill casting contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method
Chromium 0.019 0.008
Copper 0.065 0.031
Cyanide 0.010 0.004
Zinc 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
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc heat treated
Chromium 0.029 0.012
Copper 0.098 0.047
Cyanide 0.016 0.006
Zinc 0.078 0.032
(h) Surface treatment spent baths.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc surface treated
Chromium 0.033 0.014
Copper 0.114 0.054
Cyanide 0.018 0.007
Zinc 0.091 0.038
(i) Surface treatment rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc surface treated
Chromium 0.133 0.054
Copper 0.459 0.219
Cyanide 0.072 0.029
Zinc 0.365 0.151
(j) Alkaline cleaning spent baths.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned
Chromium 0.002 0.0006
Copper 0.005 0.002
Cyanide 0.0007 0.0003
Zinc 0.004 0.002
(k) Alkaline cleaning rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned
Chromium 0.626 0.254
Copper 2.17 1.03
Cyanide 0.338 0.134
Zinc 1.73 0.710
(l) Sawing or grinding spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions
Chromium 0.009 0.004
Copper 0.031 0.015
Cyanide 0.005 0.002
Zinc 0.025 0.010
(m) Electrocoating rinse.
Subpart H—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of zinc electrocoated
Chromium 0.085 0.035
Copper 0.293 0.140
Cyanide 0.046 0.019
Zinc 0.234 0.096
(n) Decreasing spent solvents—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.

Code of Federal Regulations

[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]