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ASTM F 650 : 1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Practice for Determining Relative Bias of Two Particle Counters Using Comparison Procedures (Withdrawn 1990)
31-12-1990
31-12-2010
Determines bias of one automatic airborne particle counter (APC) relative to another to correct concentration data to that obtained from reference APC calibrated for counting and sizing accuracy in accordance with Practice F328.
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