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Subchapter 7. General Industry Safety Orders
Group 16. Control of Hazardous Substances
Article 109. Hazardous Substances and Processes

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§5175. Combustible Metals.

(a) All requirements of NFPA 65-1980, "Standard for the Processing and Finishing of Aluminum," incorporated herein by this reference, shall apply to operations where aluminum or aluminum alloys are subjected to processing or finishing operations which produce fine metallic powder or dust. Such operations include, but are not limited to, grinding, buffing, and polishing. This standard shall also apply to the handling and storage of aluminum powder by users of such material.

(b) All requirements of NFPA 651-1980, "Standard for the Manufacture of Aluminum or Magnesium Powder," incorporated by this reference, shall apply to manufacturing facilities which produce light metal flake powder or paste, atomized light metal granules, or the dust of any light metal or alloy that is explosive in an environmental atmosphere. At locations for which a building permit was issued or occupancy commenced before July 1, 1987, Chapter 2 of NFPA 651-1974, "Standard for the Manufacture of Aluminum or Magnesium Powder," incorporated herein by this reference, shall apply in place of Chapter 2 of NFPA 651-1980. (Title 24, Part 6, Section 5175(b)).

(c) All requirements of NFPA 48-1982, "Standard for the Storage Handling and Processing of Magnesium," incorporated herein by this reference, shall apply to the storage, handling and processing of magnesium at magnesium foundries, processing plants, and commercial storage facilities. At locations for which a building permit was issued or occupance commenced before December 29, 1981, paragraph 211 of NFPA 48-1974, "Standard for the Storage, Handling and Processing of Magnesium," incorporated herein by this reference, shall apply in place of paragraph 2-1.1 of NFPA 48-1982. (Title 24, Part 6, Section 5175(c))

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

HISTORY

1. Amendment of subsection (b) filed 4-27-79; effective thirtieth day thereafter (Register 79, No. 17).

2. Amendment filed 12-10-87; operative 1-9-88 (Register 87, No. 51).

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