Section 3903 — PROCESSING AND EXTRACTION — 2025 California Fire Code (Title 24, Part 9)

3903.1 Construction. ¶

3903.1 Construction. Processing shall be located in a building complying with the California Building Code .

3903.2 Prohibited occupancies. ¶

3903.2 Prohibited occupancies. Extraction processes utilizing flammable gases or flammable cryogenic fluids shall not be located in any building containing a Group A, E, I or R occupancy.

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3903.3 Location. ¶

3903.3 Location. The extraction equipment and extraction processes utilizing hydrocarbon solvents shall be located in a room or area dedicated to extraction.

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3903.4 Post-process purification and winterization. ¶

3903.4 Post-process purification and winterization. Post-processing and winterization involving the heating or pressurizing of the miscella to other than normal pressure or temperature shall be approved and performed in an appliance listed for such use. Domestic or commercial cooking appliances shall not be used. 3903.4.1 Industrial ovens. The use of industrial ovens shall comply with Chapter 30.

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3903.5 Use of flammable and combustible liquids. ¶

3903.5 Use of flammable and combustible liquids. The use of flammable and combustible liquids for liquid extraction processes where the liquid is boiled, distilled or evaporated shall be located within a hazardous exhaust fume hood, rated for exhausting flammable vapors. Electrical equipment used within the hazardous exhaust fume hood shall be rated for use in flammable atmospheres. Heating of flammable or combustible liquids over an open flame is prohibited. Exception: The use of a heating element not rated for flammable atmospheres, where documentation from the manufacture, or approved…

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development

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3903.6 Liquefied petroleum gas. ¶

3903.6 Liquefied petroleum gas. Liquefied petroleum gases shall not be released to the atmosphere except where released in accordance with Section 7.3 of NFPA 58.

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3903.7 Means of egress. ¶

3903.7 Means of egress. Exit and exit access doors from rooms or areas used for extraction shall swing in the direction of egress travel. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. PROCESSING AND EXTRACTION FACILITIES

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