Materials Division

CAPABILITIES: Quality Control / Quality Assurance

Quality Control/Quality Assurance Main

Aggregate quality control testing is guaranteed through laboratory testing under the guidelines of the Illinois Department of Transportation's “Aggregate Gradation Certification System”.

Hot Mix Asphalt (HMA) design and testing is performed under the guidelines of the Illinois Department of Transportations (IDOT) “HMA Quality Control/Quality Assurance Program”.

Quality Control Testing is performed by our staff of IDOT approved and accredited lab technicians. All laboratory sites are annually inspected and approved by the Illinois Department of Transportation.