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Article

Airborne Asbestos Analysis of Low Fiber Density Samples: A Comparison of the A and B Counting Rules of the NIOSH Method 7400

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Pages 38-41 | Received 23 Aug 1990, Accepted 03 May 1991, Published online: 25 Feb 2011

References

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  • Walton , W. H. , Attfield , M. D. and Beckett , S. T. 1976 . An International Comparison of Counts of Airborne Asbestos Fibres Sampled on Membrane Filters . Ann. Occup. Hyg. , 19 : 215
  • Gonsalez-Fernandez , E. and Martin , F. R. 1986 . Comparison of NIOSH and AIA Methods for Evaluating Asbestos Fibres: Effects of Asbestos Type, Mounting Medium, Graticule Type and Counting Rules . Ann. Occup. Hyg. , 30 : 397
  • Rajhans , G. S. and Bragg , G. M. 1975 . A Statistical Analysis of Asbestos Fiber Counting in the Laboratory and Industrial Environment . Am. Ind. Hyg. Assoc. J. , 36 : 909
  • Leidel , N. A. , Bayer , S. G. , Zumwalde , R. D. and Busch , K. A. 1979 . USPHS/NIOSH Membrane Filter Method for Evaluating Airborne Asbestos Fibers , Cincinnati, OH : National Institute for Occupational Safety and Health .
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  • National Institute for Occupational Safety and Health . 1987 . Fibers, Method 7400, Revision 2. In: NIOSH Manual of Analytical Methods , Cincinnati, OH : NIOSH .
  • National Institute for Occupational Safety and Health . 1987 . “ Fibers, Method 7400, Revision 3 ” . In NIOSH Manual of Analytical Methods , Cincinnati, OH : NIOSH .
  • Baron , P. 1987 . Asbestos Analysis . Appl. Ind. Hyg. , 2 ( 6 ) : R8
  • 1990 . Second Annual Thermal Insulation Manufacturers Association . Industrial Hygiene Meeting, American Industrial Hygiene Conference . May 15 1990 , Orlando, Florida.
  • Cowie , A. J. and Crawford , N. P. 1982 . A Comparison of the Effects of Different Counting Rules and Aspect Ratios on the Level and Reproducibility of Asbestos Fibre Counts—Part I: Effects on Level , Edinburgh, Scotland : Institute of Occupational Medicine . Report No. TM/82/23

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