Chapter 25 — FRUIT AND CROP RIPENING
2506 Ethylene Generators — 2025 California Fire Code
California Fire Code (Title 24, Part 9) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Fire Code (Title 24, Part 9) § 2506 · Effective January 1, 2026 · Official source: Building Standards Commission
2506.1 Ethylene generators.¶
Ethylene generators shall be listed and labeled by an approved testing laboratory, approved by the fire code official and used only in approved rooms in accordance with the ethylene generator manufacturer’s instructions. The listing evaluation shall include documentation that the concentration of ethylene gas does not exceed 25 percent of the lower explosive limit (LEL).
2506.2 Ethylene generator rooms.¶
Ethylene generators shall be used in rooms having a volume of not less than 1,000 cubic feet (28 m [3] ). Rooms shall have air circulation to ensure even distribution of ethylene gas and shall be free from sparks, open flames or other ignition sources.
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