The provisions of this subpart are applicable to discharges resulting from the manufacture of sulfonic acid and sulfuric acid esters by means of sulfonation and sulfation of raw materials, including but not limited to petroleum derived alkyls, employing oleum in either continuous or batch processes.
authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act);
33 U.S.C. 1251,
1311,
1314,
1316,
86. 816
source: 39 FR 13372, Apr. 12, 1974, unless otherwise noted.
cite as: 40 CFR 417.90