CFR›Title 40›Chapter I›Part 117 CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 117—DETERMINATION OF REPORTABLE QUANTITIES FOR HAZARDOUS SUBSTANCES Subparts A Subpart A—General Provisions B Subpart B—Applicability C Subpart C—Notice of Discharge of a Reportable Quantity Authority33 U.S.C. 1251 et seq., and Executive Order 11735, superseded by Executive Order 12777, 56 FR 54757.Source44 FR 50776, Aug. 29, 1979, unless otherwise noted.