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Subchapter 4. Construction Safety Orders
Article 4. Dusts, Fumes, Mists, Vapors, and Gases

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§1531. Respiratory Protective Equipment. (Repealed)

Guide to Respiratory Protection at Work
Note: The requirements applicable to construction work under this section are identical to those set forth in section 5144.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Repealer and new section filed 7-12-74; effective thirtieth day thereafter (Register 74, No. 28).
2. Amendment of subsections (a) and (b) filed 5-3-78; effective thirtieth day thereafter (Register 78, No. 18).
3. Amendment of subsection (g) filed 9-14-78; effective thirtieth day thereafter (Register 78, No. 37).
4. Amendment of subsection (e)(1) filed 10-18-79; effective thirtieth day thereafter (Register 79, No. 42).
5. Amendment filed 12-13-84; effective thirtieth day thereafter (Register 84, No. 50).
6. Amendment of subsection (h) filed 3-20-95; operative 4-19-95 (Register 95, No. 12).
7. Amendment of subsection (e)(3) filed 6-29-95; operative 7-29-95 (Register 95, No. 26).
8. Repealer and new section filed 8-25-98; operative 11-23-98 (Register 98, No. 35).

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