References
- Gressel , M.G. 1997 . An Evaluation of Local Exhaust Ventilation Control Systern for a Foundry Casting Operation . Am Ind Hyg J , 58 (5) : 354 – 358 .
- O'Brien , D.M. , Froehlich , P.A. Gressel , M.G. 1992 . Silica Exposure in Hand Grinding Steel Castings . Am Ind Hyg J , 53 : 42 – 48 .
- National Institute for Occupational Safety and Health (NIOSH) . December 1997 . Hazard Controls: Controlling Silica Dust from Foundry Casting-Cleaning Operations , DHHS (NlOSH) Publication No. 98-106 December , Washington, DC : NIOSH .
- Dear , J.A. May 2 1996 . “ Memorandum to the Regional Administrators. Special Emphasis Program (SEP) for Silicosis ” . May 2 , Washington, DC : U.S. Department of Labor, Occupational Safety and Health Administration .
- 2001 . “ Code of Federal Regulations ” . In 29 CFR 1910.1000: Air Contaminants , Washington, DC : U.S.Department of Labor, Occupational Safety and Health Administration .
- Occupational Safety and Health Administration (OSHA) . 1993 . “ OSHA Instruction CPI. 2-2.20B CH-I ” . In The OSHA Technical Manual , Washington, DC : U.S. Department of Labor. OSHA .