Title 11 — HEALTH AND SAFETY›Division 4 — UNDERGROUND STORAGE OF HAZARDOUS MATERIALS›Chapter 11.88 — MISCELLANEOUS
Los Angeles County Municipal Code Part VII Local Exhaust Ventilation
Los Angeles County Municipal Code · 2026-09 edition · updated 2026-10-04 · Los Angeles County
Cite as: Los Angeles County Municipal Code Part VII · Text as of 2026-10-04
21.1.¶
Local exhaust ventilator systems required to control air contaminants shall be designed, installed, maintained and
operated to meet the minimum requirements in the tables in Part VIII, Appendix A, unless specified elsewhere in the Rules and Regulations or unless otherwise approved in writing by the Health Officer
21.2.¶
21.3.¶
21.4.¶
Air from local exhaust ventilation systems shall not be recirculated if the contaminant is a toxic substance.
Section 22. - Air Filters for Paint Spray Booths
22.1.¶
22.2.¶
Resistance of the air filters shall not exceed the point where blower cfm is reduced below the required quantity for
proper operation of the equipment involved.
22.3.¶
A gauge indicating air filter resistance in tenths of inch (0.1″) of water column shall be part of all equipment requiring air
filters. Gauge shall be located on the outside wall of the air filter compartment and easily accessible for reading.
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