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Title 11 — HEALTH AND SAFETY›Division 1 — HEALTH CODE›Chapter 11.22 — INDUSTRIAL ESTABLISHMENTS

Los Angeles County Municipal Code Part 7 Local Exhaust Ventilation Systems

Los Angeles County Municipal Code · 2026-09 edition · updated 2026-10-04 · Los Angeles County

Cite as: Los Angeles County Municipal Code Part 7 · Text as of 2026-10-04

11.22.750 - Rules and Regulations applicable.

A.

Local exhaust ventilation systems required to control air contaminants shall be designed, installed, maintained and operated to meet the minimum requirements in the tables in Part VII of the Rules and Regulations set forth in Part 3 of Appendix 1 of this Title 11, unless specified otherwise elsewhere, or unless otherwise approved in writing by the director.

B.

Such systems shall be designated so contaminants are not brought to the workers' breathing zones on their way to the exhaust hood.

C.

Rooms of areas in which such systems are installed shall be provided with properly located air inlets to provide as much make-up air as is exhausted.

D.

Air from local exhaust ventilation systems shall not be recirculated if the contamination is a toxic substance.

(Ord. 8588 § 9 (part), 1964; Ord. 7583 Part 3 Ch. 16 § 1173, 1959.)

Exceptions & meaning →

11.22.760 - Design, operation and maintenance.

All ventilation systems required by this Division 1 shall be provided in accordance with design requirements set forth in this Division 1 relative to the contaminant or hazard involved, and shall be operated and maintained to produce the required health protection; and such general ventilation shall be provided as may be necessary to ventilate all portions of all places of employment.

(Ord. 8588 § 9 (part), 1964; Ord. 7583 Part 3 Ch. 16 § 1174, 1959.)

Exceptions & meaning →

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