Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.84 Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart H--Zinc Reduction Furnace Wet Air Pollution Control.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

reduced

--------------Cadmium....................................... .334 .134Copper........................................ 2.135 1.018Lead.......................................... .467 .217Zinc.......................................... 1.702 .701Total suspended solids........................ 25.020 20.020pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(b) Subpart H--Preleach of Zinc Concentrates.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

concentrate leached

--------------Cadmium....................................... .180 .072Copper........................................ 1.153 .550Lead.......................................... .252 .117Zinc.......................................... .919 .378Total suspended solids........................ 13.520 10.810pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(c) Subpart H--Leaching Wet Air Pollution Control.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

processed through

leaching

--------------Cadmium....................................... .000 .000Copper........................................ .000 .000Lead.......................................... .000 .000Zinc.......................................... .000 .000Total suspended solids........................ .000 .000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(d) Subpart H--Electrolyte Bleed Wastewater.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode zinc produced

--------------Cadmium....................................... .086 .035Copper........................................ .553 .264Lead.......................................... .121 .056Zinc.......................................... .441 .182Total suspended solids........................ 6.480 5.184pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(e) Subpart H--Cathode and Anode Wash Wastewater.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode zinc produced

--------------Cadmium....................................... .150 .060Copper........................................ .961 .458Lead.......................................... .210 .098Zinc.......................................... .766 .315Total suspended solids........................ 11.270 9.012pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(f) Subpart H--Casting Wet Air Pollution Control.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

cast

--------------Cadmium....................................... .051 .021Copper........................................ .329 .157Lead.......................................... .072 .033Zinc.......................................... .262 .108Total suspended solids........................ 3.855 3.084pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(g) Subpart H--Casting Contact Cooling.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

cast

--------------Cadmium....................................... .036 .014Copper........................................ .232 .110Lead.......................................... .051 .024Zinc.......................................... .185 .076Total suspended solids........................ 2.715 2.172pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(h) Subpart H--Cadmium Plant Wastewater.

NSPS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cadmium produced

--------------Cadmium....................................... 1.234 .494Copper........................................ 7.899 3.765Lead.......................................... 1.728 .802Zinc.......................................... 6.295 2.592Total suspended solids........................ 92.570 74.050pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times. [49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]