CFR›Title 40›Chapter I›Part 265›Subpart F ContainsSections 265.90–265.94CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart F—Ground-Water Monitoring Sections 265.90 § 265.90 Applicability. 265.91 § 265.91 Ground-water monitoring system. 265.92 § 265.92 Sampling and analysis. 265.93 § 265.93 Preparation, evaluation, and response. 265.94 § 265.94 Recordkeeping and reporting. Previous EE Subpart EE—Hazardous Waste Munitions and Explosives Storage Next FF Subpart FF—Fees for the Electronic Hazardous Waste Manifest Program