Hot Mix Asphalt
Develops and maintains statewide Hot Mix Asphalt (HMA) related policies, procedures and specifications for directing implementation of the statewide HMA mixtures program. Inspects and approves hot mix asphalt plants, maintains approved lists for truck bed release agents, warm mix technologies, and reclaimed asphalt shingle processing facilities. The lab extends AASHTO accreditation to district laboratories through biennial lab inspections and annual sample proficiency testing, performs forensic testing for premature pavement failures as well as dispute resolution testing for pay for performance (PFP) quality management program. HMA is the contact for investigation of field problems and evaluation of new HMA related products and equipment.