40 CFR § 264.35 - Required aisle space.

---
identifier: "/us/cfr/t40/s264.35"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 264.35 - Required aisle space."
title_number: 40
title_name: "Protection of Environment"
section_number: "264.35"
section_name: "Required aisle space."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "I"
subchapter_name: "SOLID WASTES"
part_number: "264"
part_name: "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, 6912(a), 6924, 6925, and 6939g."
regulatory_source: "45 FR 33221, May 19, 1980, unless otherwise noted."
cfr_part: "264"
---


# 264.35 Required aisle space.

The owner or operator must maintain aisle space to allow the unobstructed movement of personnel, fire protection equipment, spill control equipment, and decontamination equipment to any area of facility operation in an emergency, *unless* it can be demonstrated to the Regional Administrator that aisle space is not needed for any of these purposes.

[*Comment:* Part 270 of this chapter requires that an owner or operator who wishes to make the demonstration referred to above must do so with part B of the permit application.]

[45 FR 33221, May 19, 1980, as amended at 48 FR 14294, Apr. 1, 1983]