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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter NPart 417Subpart I → §417.90


Title 40: Protection of Environment
PART 417—SOAP AND DETERGENT MANUFACTURING POINT SOURCE CATEGORY
Subpart I—Oleum Sulfonation and Sulfation Subcategory


§417.90   Applicability; description of the oleum sulfonation and sulfation subcategory.

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.

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