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ASTM WK34196
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Work Item: ASTM WK34196 -
Withdrawal of D7200 - 06 Standard Practice for Sampling and Counting Airborne Fibers, Including Asbestos Fibers, in Mines and Quarries, by Phase Contrast Microscopy and Transmission Electron Microscopy
Active Standard: D7200 - 12
Developed by Subcommittee: D22.04 | Committee D22 Home |
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This standard is being balloted for withdrawal with no replacement because Round-robin testing of this standard showed that, when put into practice, the method fails catastrophically.
Keywords
air monitoring; asbestos; fibers; membrane filter method; mines and quarries; phase contrast microscopy; sampling and analysis;
Citing ASTM Standards
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Work Item Status:
Date Initiated:07-21-2011
Technical Contact: Kevin Ashley
Item: 028
Ballot: D22 (11-03)
Status: Negative Votes Need Resolution
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