REFERENCES
- U.S. Department of Labor, Occupational Safety and Health Administration . 2008 . OSHA Instruction CPL 03-00-007; National Emphasis Program—Crystalline Silica , Washington, D.C. : USDOL OSHA .
- U.S. Department of Labor, Occupational Safety and Health Administration . 1993 . “ OSHA Instruction CPL 2-2.20B CH-1 ” . In In the OSHA Technical Manual , Washington, D.C. : USDOL OSHA .
- U.S. Department of Labor, Occupational Safety and Health Administration . 1991 . “ OSHA Instruction CPL 2-243A ” . In Chemical Information Manual , Washington, D.C. : OSHA .
- “Occupational Safety and Health Standards,” Code of Federal Regulations Title 29, Part 1910.1000 (2007). Table Z-3 Mineral Dusts
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