References
- National Materials Advisory Board . 1980 . Measurement and Control of Respirable Dust in Mines. NMAB-363 , Washington, DC : National Academy of Science .
- Watts , W.F. Jr. , Johnson , R. L. , Donovan , D. J. and Parker , D. R. 1981 . An Introduction to the Mine Inspection Data Analysis System (MIDAS) . BuMines IC , 8859 Pittsburgh
- Watts , W.F. Jr. and Parker , D. R. 1995 . The Mine Inspection Data Analysis System (MIDAS) . Appl. Occup. Environ. Hyg. , 10 ( 4 ) : 323 – 330 .
- U.S. Congress . 1977 . Public Law 91–173, as amended by Public Law 95–164 . The Federal Mine Safety and Health Act of 1977. , Nov. 9 91 Stat. 1291 and 1299
- U.S. Code of Federal Regulations. July 1 1993 . Title 30—Mineral Resources; C.1—Mine Safety and Health Administration , July 1 , Department of Labor .
- TLVs—Threshold Limit Values for Chemical Substances in Workroom Air Adopted by the ACGIH in 1973 . American Conference of Governmental Industrial Hygienists . Cincinnati, OH : ACGIH .