Chapter 25 — FRUIT AND CROP RIPENING

Section 2506 — ETHYLENE GENERATORS

2025 California Fire Code (Title 24, Part 9) · 2025 edition · ingested 2026-07-07 · California

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2506.1 Ethylene generators.

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.

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.