Code of Federal Regulations · Section
§ 417.100 — Applicability; Description Of The Air—So3 Sulfation And Sulfonation Subcategory
40 C.F.R. § 417.100
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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.
Authorizing Statute
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Congressional declaration of goals and policy33 U.S.C. § 1251