The 2012 Canadian Asphalt Exchange Program (CAEP) 2012 Summary

摘要

This report documents the results of the 2012 Canadian Asphalt Exchange Program (CAEP). Elevenagencies participated in the 2012 Canadian Asphalt Exchange Program. The exchange provides anopportunity for participants to compare their test results with those of other laboratories in order toprovide a mechanism for reviewing and refining existing test procedures. The exchange also providesinformation to participants on their individual test procedures and equipment.The test result analysis was based on the American Society for Testing and Materials (ASTM) E691,Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method.This procedure was used to evaluate the repeatability and reproducibility standard deviations for thedifferent test procedures performed in the asphalt exchange. This information was used to determine the95 percent repeatability and reproducibility limits for each test procedure. The analysis procedure alsoprovided information for each participant to determine if their test results were consistent with those of theother laboratories.