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Measurement Assurance Program for Weighings of Respirable Coal Mine Dust Samples

Summary: A program is presented to control the weighing of respirable coal mine dust samples and to provide information on a continuing basis on the quality of the weighing operation. In addition to the description of such monitoring procedures, measurements are included to check the adequacy of assumptions made about the test items, such as, effects of aging, environmental and other factors related to the handling of the test items. The set of procedures presented in this article provides a measurement assurance program by which the uncertainty attached to each measurement can be scientifically demonstrated. An analysis of data giving the status of the process is presented.

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  • Topics: Statistical Process Control (SPC)
  • Keywords: Measurement and control,Process control,Weight and mass
  • Author: Parobeck, Paul; Tomb, Thomas; Ku, Harry; Cameron, Joseph
  • Journal: Journal of Quality Technology