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Title: Test Watchdog Inter-Laboratory Comparison Test
Author: Wayne Haner, Paul Tang Terasen, Terrence A. Grimley, Edgar B. Bowles, Jr
Source: American Gas Association 2009
Year Published: 2009
Abstract: The measurement agreement between the participating gas flow meter calibration laboratories has been evaluated as part of a voluntary quality assessment effort between the collaborating test facilities. Terasen Measurement (TM), Southwest Research Institute (SwRI) and TransCanada Pipeline (TCPL) have initiated the TeST program as a quality effort between the facilities. The TeST watchdog artifact used for the inter-lab comparison was a tandem meter package consisting of two 8-inch diameter Instromet SMRI turbine meters, and associated piping with CPA 50E flow conditioners. The first round of an ongoing, periodic inter-lab test comparison has been completed. The test results are reported herein. The test results show close agreement between the participating laboratories, and confirm the stated measurement uncertainty estimates for the individual facilities.

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