Definition:
An Aggregate Testing Technician—Level 2 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of advanced laboratory procedures for aggregates.

Scope and Knowledge:
The program requires a working knowledge of the following AASHTO and/or ASTM standards:

• T96–02*—Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
  C131/C131M—Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
• C535—Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
• T112–00—Clay Lumps and Friable Particles in Aggregate
  C142–97—Clay Lumps and Friable Particles in Aggregate
• D4791–10—Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
• T19M/T19—Bulk Density (Unit Weight) and Voids in Aggregate
  C29/C29M—Bulk Density (Unit Weight) and Voids in Aggregate
• T104–99*—Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
  C88–13*—Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
• T113–06—Lightweight Pieces in Aggregate
  C123–04—Lightweight Pieces in Aggregate
• T176–08—Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
  D2419—Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
• T304–11—Uncompacted Void Content of Fine Aggregate
  C1252—Uncompacted Void Content of Fine Aggregate
• D5821–01—Determining the Percentage of Fractured Particles in Coarse Aggregate