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 F—Chlor-alkali Subcategory (Chlorine and Sodium or Potassium Hydroxide Production) (§415.60 to §415.67) > 415.65—New source performance standards (NSPS).

415.65—New source performance standards (NSPS).

(a) Any new source subject to this subpart and using the mercury cell process must achieve the following new source performance standards (NSPS):
Subpart F—Chlor-Alkali-Mercury Cells
Pollutant or pollutant property NSPS limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kq/kkg (or pounds per 1,000 lb) of product
TSS 0.64 0.32
Mercury (T) 0.00023 0.00010
Total Residual Chlorine 0.0032 0.0019
pH (1) (1)
1 Within the range 6.0 to 9.0.
(b) Any new source subject to this subpart and using the diaphragm cell process must achieve the following new source performance standards (NSPS):
Subpart F—Chlor-Alkali-Diaphragm Cells
Pollutant or pollutant property NSPS limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kq/kkg (or pounds per 1,000 lb) of product
TSS 1.1 0.51
Lead (T) 0.0047 0.0019
Total Residual Chlorine 0.013 0.0079
pH (1) (1)
1 Within the range 6.0 to 9.0.