Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 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
TSS0.640.32
Mercury (T)0.000230.00010
Total Residual Chlorine0.00320.0019
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
TSS1.10.51
Lead (T)0.00470.0019
Total Residual Chlorine0.0130.0079
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 47 FR 28278, June 29, 1982, unless otherwise noted.
cite as: 40 CFR 415.65