AASHTO Accrediation Details

Asphalt Binders / Cutback Asphalt - accredited since 2/15/1996

AASHTO / ASTM

R28 / D6521      Standard Practice for Accelerated Aging of Asphalt Binder Using a Pressurized Aging Vessel (PAV)

T240 / D2872    Standard Method of Test for Effect of Heat and Air on a Moving Film of Asphalt Binder (Rolling Thin-Film Oven Test)

T301 / D6084    Standard Method of Test for Elastic Recovery Test of Asphalt Materials by Means of a Ductilometer

T313 / D6648    Standard Method of Test for Determining the Flexural Creep Stiffness of Asphalt Binder Using the Bending Beam Rheometer (BBR)

T315 / D7175    Standard Method of Test for Determining the Rheological Properties of Asphalt Binder Using a Dynamic Shear Rheometer (DSR)

T316 / D4402    Standard Method of Test for Viscosity Determination of Asphalt Binder Using Rotational Viscometer

         / D3666    Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials

        /  E329      Standard Specification for Agencies Engaged in Construction Inspection and/or Testing

Hot Mix Asphalt - accredited since 2/15/1996

AASHTO / ASTM

T30 / D5444     Standard Method of Test for Mechanical Size Analysis of Extracted Aggregate

T164 / D2172   Standard Method of Test for Quantitative Extraction of Asphalt Binder from Hot Mix Asphalt (HMA)

T166 / D2726   Standard Method of Test for Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens

T170 / D1856   Standard Method of Test for Recovery of Asphalt Binder from Solution by Abson Method

T209 / D2041   Standard Method of Test for Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt (HMA)

T269 / D3203   Standard Method of Test for Percent Air Voids in Compacted Dense and Open Bituminous Paving Mixtures

T275 - D1188   Standard Method of Test for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Paraffin Coated Samples

T283 / D4867   Standard Method of Test for Resistance of Compacted Hot Mix Asphalt (HMA) to Moisture-Induced Damage

T308 / D6307   Standard Method of Test for Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method

T312 / D6925   Standard Method of Test for Preparing and Determining the Density of Hot Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor

         / D3666    Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials

         / E329       Standard Specification for Agencies Engaged in Construction Inspection and/or Testing

Aggregate - accredited since 2/15/1996

AASHTO / ASTM

T11 / C117     Standard Method of Test for Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing

T27 / C136     Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates

T84 / C128     Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate

T85 / C127     Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate

T176 / D2419  Standard Method of Test for Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test

T304 / D1252  Standard Method of Test for Uncompacted Void Content of Fine Aggregate

       / 4791    Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate

       / 5821    Standard Test Method for Determining the Percentage of Fractured Particles in Coarse Aggregate

      / D3666   Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials

      / E329     Standard Specification for Agencies Engaged in Construction Inspection and/or Testing