40 CFR § 265.260 - Monitoring and inspection.

---
identifier: "/us/cfr/t40/s265.260"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 265.260 - Monitoring and inspection."
title_number: 40
title_name: "Protection of Environment"
section_number: "265.260"
section_name: "Monitoring and inspection."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "I"
subchapter_name: "SOLID WASTES"
part_number: "265"
part_name: "INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 6905, 6906, 6912, 6922, 6923, 6924, 6925, 6935, 6936, 6937, and 6939g."
regulatory_source: "45 FR 33232, May 19, 1980, unless otherwise noted."
cfr_part: "265"
---


# 265.260 Monitoring and inspection.

An owner or operator required to have a leak detection system under § 265.254 must record the amount of liquids removed from each leak detection system sump at least once each week during the active life and closure period.

[57 FR 3494, Jan. 29, 1992]