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This Technical Paper was prepared to provide guidance on choosing sampling equipment for respirable dust sampling. The need for this Paper became apparent due to questions raised by occupational hygienists and uncertainty of the validity of a number of size-selective cyclones in common use that may not meet the required size-selective criteria required by various Standards.
This situation presents problems for government and industry because the respirable dust results obtained may be underestimated (not acceptable for governments) or overestimated (not acceptable for industry), with either alternative unacceptable for occupational hygienists.
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