CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY > SUBPART AU—Nickel Salts Production Subcategory (§415.470 to §415.477) > 415.475—New source performance standards (NSPS).

415.475—New source performance standards (NSPS).

(a) Any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluorobate or nickel nitrate must achieve the following new source performance standards (NSPS):
Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, and Nickel Fluoborate
Pollutant or pollutant property NSPS effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS 0.096 0.032
Copper 0.00074 0.00024
Nickel 0.00074 0.00024
pH (1) (1)
1 Within the range 6.0 to 9.0.
(b) Any new source subject to this subpart and producing nickel carbonate must achieve the following new source performance standards (NSPS):
Subpart AU—Nickel Carbonate
Pollutant or pollutant property NSPS effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) or product
TSS 17. 5.6
Copper 0.13 0.042
Nickel 0.13 0.042
pH (1) (1)
1 Within the range 6.0 to 9.0.