REFERENCES
- National Institute for Occupational Safety and Health (NIOSH) . 1998 . Criteria for a Recommended Standard: Occupational Noise Exposure , DHHS (NIOSH) Publication No. 98-126 Cincinnati, Ohio : U.S. Department of Health and Human Services . Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health
- National Institute for Occupational Safety and Health (NIOSH) . 1996 . Results from the National Occupational Health Survey of Mining (NOHSM) , DHHS (NIOSH) Publication No. 96-136 Cincinnati, Ohio Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health
- U.S. Department of Labor, Mine Safety and Health Administration . http://www.msha.gov/ACCINJ/ALLCOAL.htm“Mining Industry Accident, Injuries, Employment, and Production Statistics, All Coal Mining Data, Table 03, Average Number of Employees at Coal Mines in the United States, by Primary Activity, 1978–2003” [Online] Available at: (Accessed August 8, 2005)
- 1999 . “Health Standards for Occupational Noise Exposure, Final Rule,” . Federal Register , 64 13 Sep : 176 49548 – 49634 .
- 1996 . “Health Standards for Occupational Noise Exposure in Coal, Metal and Nonmetal Mines; Proposed Rule,” . Federal Register , 61 17 Dec : 243 66347 – 66397 .
- U.S. Department of Labor, Mine Safety and Health Administration . http://www.msha.gov/READROOM/HANDBOOK/PH89-V-1(chap_3)(2001).pdf“MSHA Coal Mine Health Inspection Procedure Handbook, Chapter 3, Noise, PH89-V-1(13)” [Online] Available at: (Accessed February 11, 2005)
- U.S. Department of Labor, Mine Safety and Health Administration . http://www.msha.gov/STATS/PART50/WQ/1978/wq78cl01.htm“Mining Industry Accident, Injuries, Employment, and Production Statistics, All Coal Mining Data, Table 01 Number of Coal Operations in the United States, by Primary Activity, 1978--2003” [Online] Available at: (Accessed February 11, 2005)
- Seiler , J. P. , Valoski , M. P. and Crivaro , M. A. 1994 . “Noise Exposure in U.S. Coal Mines” Informational Report (IR 1214). U.S. Department of Labor, Mine Safety and Health Administration
- Johnson , D. L. , Nixon , C. W. and Stephenson , M. R. 1976 . Long-duration exposure to intermittent noises . Aviat. Space Environ. Med. , 47 : 987 – 990 .
- Nixon , C. W. , Johnson , D. L. and Stephenson , M. R. 1977 . Asymptotic behavior of temporary threshold shift and recovery from 24-and 48-hour noise exposures . Aviat. Space Environ. Med. , 48 : 311 – 315 .