---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchI/part265"
level: "part"
label: "Part 265"
heading: "Interim Status Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchI-part265"
sections_count: 220
---

# Part 265 — Interim Status Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter I — Solid Wastes

## Contents

- [Subpart A — General](/cfr/40/chI-subchI-part265-subpartA.md)
- [Subpart B — General Facility Standards](/cfr/40/chI-subchI-part265-subpartB.md)
- [Subpart C — Preparedness and Prevention](/cfr/40/chI-subchI-part265-subpartC.md)
- [Subpart D — Contingency Plan and Emergency Procedures](/cfr/40/chI-subchI-part265-subpartD.md)
- [Subpart E — Manifest System, Recordkeeping, and Reporting](/cfr/40/chI-subchI-part265-subpartE.md)
- [Subpart F — Ground-Water Monitoring](/cfr/40/chI-subchI-part265-subpartF.md)
- [Subpart G — Closure and Post-Closure](/cfr/40/chI-subchI-part265-subpartG.md)
- [Subpart H — Financial Requirements](/cfr/40/chI-subchI-part265-subpartH.md)
- [Subpart I — Use and Management of Containers](/cfr/40/chI-subchI-part265-subpartI.md)
- [Subpart J — Tank Systems](/cfr/40/chI-subchI-part265-subpartJ.md)
- [Subpart K — Surface Impoundments](/cfr/40/chI-subchI-part265-subpartK.md)
- [Subpart L — Waste Piles](/cfr/40/chI-subchI-part265-subpartL.md)
- [Subpart M — Land Treatment](/cfr/40/chI-subchI-part265-subpartM.md)
- [Subpart N — Landfills](/cfr/40/chI-subchI-part265-subpartN.md)
- [Subpart O — Incinerators](/cfr/40/chI-subchI-part265-subpartO.md)
- [Subpart P — Thermal Treatment](/cfr/40/chI-subchI-part265-subpartP.md)
- [Subpart Q — Chemical, Physical, and Biological Treatment](/cfr/40/chI-subchI-part265-subpartQ.md)
- [Subpart R — Underground Injection](/cfr/40/chI-subchI-part265-subpartR.md)
- [Subpart S-V — Subparts S-V [Reserved]](/cfr/40/chI-subchI-part265-subpartS-V.md)
- [Subpart W — Drip Pads](/cfr/40/chI-subchI-part265-subpartW.md)
- [Subpart X-Z — Subparts X-Z [Reserved]](/cfr/40/chI-subchI-part265-subpartX-Z.md)
- [Subpart AA — Air Emission Standards for Process Vents](/cfr/40/chI-subchI-part265-subpartAA.md)
- [Subpart BB — Air Emission Standards for Equipment Leaks](/cfr/40/chI-subchI-part265-subpartBB.md)
- [Subpart CC — Air Emission Standards for Tanks, Surface Impoundments, and Containers](/cfr/40/chI-subchI-part265-subpartCC.md)
- [Subpart DD — Containment Buildings](/cfr/40/chI-subchI-part265-subpartDD.md)
- [Subpart EE — Hazardous Waste Munitions and Explosives Storage](/cfr/40/chI-subchI-part265-subpartEE.md)
- [Subpart FF — Fees for the Electronic Hazardous Waste Manifest Program](/cfr/40/chI-subchI-part265-subpartFF.md)