Chapter 22 — COMBUSTIBLE DUST-PRODUCING OPERATIONS
Section 2203
California Fire Code (Title 24, Part 9) · 2019 edition · updated 2026-09-10 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
2203.1 Owner responsibility. The owner or operator of a¶
facility with operations that manufacture, process, blend, convey, repackage, generate or handle potentially combustible dust or combustible particulate solids shall be responsible for compliance with the provisions of this code and NFPA 652.
2203.2 Dust hazard analysis (DHA). The requirements of¶
NFPA 652 apply to all new and existing facilities and operations with combustible dust hazard. Existing facilities shall have a dust hazard analysis (DHA) completed in accordance with Section 7.1.2 of NFPA 652.
The fire code official shall be authorized to order a dust hazard analysis to occur sooner if a combustible dust hazard has been identified in a facility that has not previously performed an analysis.
2203.3 Sources of ignition. Smoking, the use of heating or¶
other devices employing an open flame, or the use of sparkproducing equipment is prohibited in areas where combustible dust is generated, stored, manufactured, processed or handled.
2203.4 Housekeeping. Accumulation of combustible dust¶
shall be kept to a minimum in the interior of buildings. Accumulated combustible dust shall be collected by vacuum cleaning or other means that will not place combustible dust into suspension in air. Forced air or similar methods shall not be used to remove dust from surfaces.
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