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Electronic Code of Federal Regulations

e-CFR data is current as of December 10, 2019

Title 40Chapter ISubchapter NPart 417Subpart J → §417.100


Title 40: Protection of Environment
PART 417—SOAP AND DETERGENT MANUFACTURING POINT SOURCE CATEGORY
Subpart J—Air—SO3 Sulfation and Sulfonation Subcategory


§417.100   Applicability; description of the air—SO3 sulfation and sulfonation subcategory.

The provisions of this subpart are applicable to discharges resulting from the manufacture of sulfonic acids and sulfuric acid esters by means of sulfation and sulfonation employing air and sulfur trioxide (SO3), in either continuous or batch processes.

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