References
- National Institute for Occupational Safety and Health . 1989 . National Traumatic Occupational Fatalities: 1980-1985 Morgantown, WV : US Department of Health and Human Services, Public Health Service, NIOSH .
- National Institute for Occupational Safety and Health . 1979 . Criteria for a Recommended Standard … Working in Confined Spaces. DHEW (NIOSH) publication no. 80-106 Cincinnati
- National Institute for Occupational Safety and Health . 1985 . Pocket Guide to Chemical Hazards. DHHS (NIOSH) publication no. 85-114 Cincinnati
- Centers for Disease Control . 1988 . NIOSH Recommendations for Occupational Safety and Health Standards . MMWR , Vol. ( 37 ) no. S-7
- National Institute for Occupational Safety and Health . 1986 . Alert … Request for Assistance in Preventing Occupational Fatalities in Confined Spaces. DHHS (NIOSH) publication no. 86-110 Cincinnati
- National Institute for Occupational Safety and Health . 1987 . A Guide to Safety in … Confined Spaces. DHHS (NIOSH) publication no. 87-113 Morgantown, WV