CFR › Title 40 › Part 303 › §303.1240 CFR §303.12Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Failure to Give Required Notice of a Release of a Reportable Quantity of a Hazardous Substance, 42 U.S.C. 9603(a);(b)Destruction or Concealment of Records Required under CERCLA to have been Retained, 42 U.S.C. 9603(d).