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E-1 APPENDIX E Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued March 2002 Participation: 394 Total Laboratories 10 Laboratories Determined to be Invalid 31 Laboratories Determined to be Outliers 353 Total Laboratories Included in Analysis Sample 3 Sample 4 CV% CV% Average Average (3) (4) 0.307 2.550.107 0.302 2.63 0.108 1.57 1.49 1s d2s 4.049 4.256 0.064 0.180 CV% 1s Reproducibility (Sample 4)Reproducibility (Sample 3) d2s CV% 1s d2s Sa m pl e 4 Average Results Graph and Analysis Results for AASHTO T308 Determining the Asphalt Binder Content of Hot Mix Asphalt by the Ignition Method AMRL Viscosity Graded Asphalt Cement Samples 3 and 4 AMRL Viscosity Graded Asphalt Cement Samples 3 and 4 Sample 3 Asphalt Grade: PG 64-22 / AC 20 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend 3.44 3.77 4.1 4.43 4.76 3.22 3.56 3.9 4.24 4.58
E-2 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued March 2003 Participation: 464 Total Laboratories 17 Laboratories Determined to be Invalid 48 Laboratories Determined to be Outliers 399 Total Laboratories Included in Analysis Sample 5 Sample 6 CV% CV% Average Average (5) (6) 0.328 2.280.119 0.336 2.47 0.116 1.49 1.41 1s d2s 4.802 5.098 0.072 0.203 CV% 1s Reproducibility (Sample 6)Reproducibility (Sample 5) d2s CV% 1s d2s Sa m pl e 6 Average Results Graph and Analysis Results for AASHTO T308 Determining the Asphalt Binder Content of Hot Mix Asphalt by the Ignition Method AMRL Viscosity Graded Asphalt Cement Samples 5 and 6 AMRL Viscosity Graded Asphalt Cement Samples 5 and 6 Sample 5 Asphalt Grade: PG 64-22 / AC 20 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend 4.19 4.55 4.91 5.27 5.63 5.99 3.89 4.25 4.61 4.97 5.33 5.69
E-3 Source of Data: AASHTO Materials Reference Laboratory Proficiency Sample Program Final Report Issued March 2004 Participation: 519 Total Laboratories 15 Laboratories Determined to be Invalid 43 Laboratories Determined to be Outliers 461 Total Laboratories Included in Analysis Sample 7 Sample 8 CV% CV% Average Average (7) (8) 0.342 2.550.124 0.351 2.77 0.121 1.60 1.51 1s d2s 4.480 4.745 0.072 0.202 CV% 1s Reproducibility (Sample 8)Reproducibility (Sample 7) d2s CV% 1s d2s Sa m pl e 8 Average Results Graph and Analysis Results for AASHTO T308 Determining the Asphalt Binder Content of Hot Mix Asphalt by the Ignition Method AMRL Viscosity Graded Asphalt Cement Samples 7 and 8 AMRL Viscosity Graded Asphalt Cement Samples 7 and 8 Sample 7 Asphalt Grade: PG 52-34 / AC 10 Repeatability Lines With Small Dash Marks - Sample Outlier Boundaries Lines With Alternating Dash Marks - Sample Medians Line With Large Dash Marks - Center Diagonal Black Hexagon - Data Within is Used for Analysis Graph Legend 3.85 4.21 4.57 4.93 5.29 5.65 3.51 3.91 4.31 4.71 5.11