[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR421.26]
[Page 469-471]
TITLE 40-PROTECTION OF ENVIRONMENT
CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
PART 421-NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
Subpart B-Primary Aluminum Smelting Subcategory
Sec. 421.26 Pretreatment standards for new sources.
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. The mass of wastewater
pollutants in primary aluminum process wastewater introduced into a POTW
shall not exceed the following values:
(a) Subpart B-Anode and Cathode Paste Plant Wet Air
Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of paste
produced
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(b) Subpart B-Anode Contact Cooling and Briquette
Quenching.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
anodes cast
--------------
Benzo(a)pyrene................................ 0.007 0.003
Nickel........................................ .115 .077
Fluoride...................................... 12.440 5.518
------------------------------------------------------------------------
(c) Subpart B-Anode Bake Plant Wet Air Pollution
Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
anodes baked
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(d) Subpart B-Cathode Reprocessing (Operated With Dry
Potline Scrubbing and Not Commingled With Other Process or Nonprocess
Waters).
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cryolite recovered
--------------
Benzo(a)pyrene................................ 1.181 0.547
Cyanide....................................... 157.600 70.060
Nickel........................................ 80.570 35.030
Fluoride...................................... 29,430.000 13,310.000
------------------------------------------------------------------------
(e) Subpart B-Cathode Reprocessing (Operated With Dry
Potline Scrubbing and Commingled With Other Process or Nonprocess
Waters).
[[Page 470]]
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
cryolite recovered
--------------
Benzo(a)pyrene................................ 1.181 0.547
Cyanide....................................... 157.600 70.060
Nickel........................................ 19.270 12.960
Fluoride...................................... 2,084.000 924.800
------------------------------------------------------------------------
(f) Subpart B-Potline Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum produced from
electrolytic reduction
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(g) Subpart B-Potroom Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum produced from
electrolytic reduction
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(h) Subpart B-Potline SO2 Emissions Wet
Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum produced from
electrolytic reduction
--------------
Benzo(a)pyrene................................ 0.045 0.021
Nickel........................................ .738 .496
Fluoride...................................... 79.790 35.400
------------------------------------------------------------------------
(i) Subpart B-Degassing Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum produced from
electrolytic reduction
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(j) Subpart B-Pot Repair and Pot Soaking.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum produced from
electrolytic reduction
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
(k) Subpart B-Direct Chill Casting Contact Cooling.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
aluminum product from
direct chill casting
--------------
Benzo(a)pyrene................................ (\1\) (\1\)
Nickel........................................ .731 .492
Fluoride...................................... 79.080 35.090
------------------------------------------------------------------------
\1\ There shall be no discharge allowance for this pollutant.
(l) Subpart B-Continuous Rod Casting Contact Cooling.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pound per million
pounds) of aluminum
product from rod casting
--------------
Benzo(a)pyrene................................ (\1\) (\1\)
Nickel........................................ .057 .038
Fluoride...................................... 6.188 2.746
------------------------------------------------------------------------
\1\ There shall be no discharge allowance for this pollutant.
(m) Subpart B-Stationary Casting or Shot Casting
Contact Cooling.
[[Page 471]]
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg (pound per million
pounds) of aluminum
product from stationary
casting or shot casting
--------------
Benzo(a)pyrene................................ .000 ...........
Nickel........................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
[49 FR 8792, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 52
FR 25559, July 7, 1987]