Supervisor: Wayne Hamilton - (208) 334-8456           ITD’s Central Aggregate laboratory is responsible for the Quality testing of Mineral, statewide. The lab tests aggregate for such properties as: • Abrasion Resistance (Durability of Aggregates) • Fine Aggregate Angularity • Sand Equivalent (SE) • Fractured Face Percentage • Aggregate Gradation • Specific Gravities • Flat and Elongated Particles Our Central Lab is charged with statewide Aggregate Source approval, and is fully AASHTO accredited. In addition, all lab personnel are required to be Western Alliance for Quality Transportation Construction (WAQTC) and Superpave certified. The Lab also functions as a third party dispute resolution Laboratory when necessary, and is involved in on-going, ‘In-House’ and ‘Round Robin’ research at both the statewide and Western regional level.