CMEC conducts Proficiency Sample Testing Programs for Concrete, Aggregate, Masonry, Asphalt, Earthwork, and Cement. 2009 Proficiency Testing Programs Data and Results - ( All files are in PDF Format.) Asphalt * Marshall o Asphalt Marshall Report * Gyratory o Asphalt Gyratory Report Concrete * Concrete 4x8 Cylinders Report * Concrete Mix Report * Concrete Masonry Units * Concrete Masonry Mortar Aggregates * Fine Aggregate Gradation Report * Fine Aggregate Specific Gravity Absorption * Coarse Aggregate Gradation Report * Coarse Aggregate Specific Gravity Absorption * Coarse Aggregate LA Abraision Soil * Soil Specific Gravity * Soil Particle Analysis * Soil Modified Compaction * Soil Corrosion Series * Soil CBR/LBR LBR * Soil Liquid Limit / Plastic Limit * Soil Standard Compaction * Soil Carbonate Content * Soil Passing #200 2008 Proficiency Testing Programs Data and Results - ( All files are in PDF Format.) Asphalt * Marshall o Asphalt Marshall AC Content o Asphalt Marshall BULK Specifc Gravity o Asphalt Marshall MAX Specific Gravity o Asphalt Marshall Report * Gyratory o Asphalt Gyratory AC Content o Asphalt Gyratory Bulk Specific Gravity o Asphalt Gyratory MAX Specific Gravity o Asphalt Gyratory Report Concrete * Concrete 4x8 Cylinders * Concrete 4x8 Cylinders Report * Concrete 6x12 Cylinders * Concrete 6x12 Cylinders Report Aggregates * Fine Aggregate Gradation Report * Fine Aggregate Specific Gravity Absorption * Fine Aggregate Specific Gravity Bulk SG SSD * Fine Aggregate Specific Gravity Bulk SG Dry * Fine Aggregate Specific Gravity Report * Coarse Aggregate Gradation Report * Coarse Aggregate Specific Gravity Absorption * Coarse Aggregate Apparent Specific Gravity * Coarse Aggregate Specific Gravity Bulk SG SSD * Coarse Aggregate Specific Gravity Bulk SG Dry * Coarse Aggregate Specific Gravity Report Soil * CBR/LBR Optimum Moisture * CBR/LBR LBR Report * CBR/LBR Maximum Density * Standard Proctor Maximum Density * Standard Proctor Optimum Moisture * Standard Proctor Report * Modified Proctor Maximum Density * Modified Proctor Report * Particle Size Analysis #10 Sieve * Particle Size Analysis #40 Sieve * Particle Size Analysis #200 Sieve * Soil Liquid Limit / Plastic Limit * Soil LL PL Plasticity Index * Soil Liquid Limit * Soil Plastic Limit