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USACE CERTIFICATE <br />MTC OF <br />MATERIALSTESTING LABORATORY VALIDATION 0 <br />CENTER <br />ERDC <br />Kleinfelder <br />620 South Magnolia Ave <br />Ontario, CA, United States <br />Jeffrey Diaz <br />(909) 657-1716 <br />has demonstrated, by abbreviated audit of its AASHTO accreditation, or by inspection of required records, equipment, procedures, <br />facilities, and/or final reports, its proficiency to perform testing of construction materials, as established by the quality standards <br />of AASHTO R 18 guidance and the requirements of the applicable ASTM standards. <br />THIS USACE CERTIFICATE OF LABORATORY VALIDATION IS ACCURATE AS OF ITS DATE AND TIME OF <br />GENERATION: <br />07 FEB 2020 AT 15:30 HOURS <br />ALL METHODS LISTED ON THIS CERTIFICATE OF VALIDATION WILL EXPIRE ON 02/07/2022 <br />PLEASE CONFIRM THE CURRENT VALIDATION STATUS OF THIS LABORATORY USING THE SEARCH FEATURE <br />ON OUR PUBLIC WEBSITE: https,//mtc.erdc.dren.mil <br />Chad A. Carrell, PE, Director <br />USACE Materials Testing Center <br />Vicksburg, Mississippi, USA <br />AGGREGATE <br />1 <br />Aggregate - C 29 - Opt - Unit Weight and Voids in Aggregate <br />Aggregate - D 75 - Opt - Sampling <br />Aggregate - C 88 - Opt - Sulfate Soundness <br />Aggregate - C 117 - Req - Material Finer than 75 pm (No. 200) Sieve <br />Aggregate - C 127 - Req - Specific Gravity & Absorption in Coarse Aggregate <br />Aggregate - C 128 - Req - Specific Gravity & Absorption in Fine Aggregate <br />Aggregate - C 131 - Opt - Los Angeles Abrasion Resistance on Small -Size Coarse Aggregate <br />Aggregate - C 136 - Req - Sieve Analysis of Aggregates <br />Aggregate - C 142 - Opt - Clay Lumps <br />Aggregate - C 535 - Opt - Los Angeles Abrasion Resistance on Large Size Coarse Aggregate <br />Aggregate - C 566 - Opt - Total Moisture Content <br />Aggregate - C 702 - Opt - Reducing Samples to Testing Size <br />Aggregate - C 1077 - Opt - Concrete and Concrete Aggregate Testing Standards (Quality Standards) <br />Aggregate - C 1252 - Opt - Uncompacted Void Content of Fine Aggregate (as influenced by particle shape, surface texture, and grading) <br />Aggregate - D 2419 - Opt - Sand Equivalent Value <br />Aggregate - D 3666 - Opt - Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials <br />Aggregate - D 3744 - Opt - Aggregate Durability Index <br />Aggregate - D 4791 - Opt - Flat and Elongated Particles in Course Aggregate <br />Aggregate - D 5821 - Opt - Percentage of Fractured Particles in Coarse Aggregate <br />BITUMINOUS <br />Bituminous - D 979 - Req - Sampling Bituminous raving uouuiea <br />Bituminous - D 1188 - Req - Bulk Specific Gravity & Density Using Coated Samples <br />Bituminous - D 1560 - Req - Resistance to Deformation & Cohesion by Hveem <br />Bituminous - D 1561 - Req - Preparation by CA Kneading Compactor <br />Bituminous - D 2041 - Req - Theoretical Maximum Specific Gravity & Density (Rice) <br />Bituminous - D 2172 - Req - Quantitative Extraction <br />Bituminous - D 2726 - Req - Bulk Specific Gravity and Density <br />Bituminous - D 2950 - Req - Density of Bituminous Concrete in Place by Nuclear Methods <br />Bituminous - D 3666 - Opt - Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials <br />