Your lab’s personal performance dashboard

"We think it’s a good value because the audit, the recognition and the hands-on real time demonstrations that you get from their people. They are good at putting techs at ease."

Bowser-Morner, Inc.

Jim Fletcher, Vice President, Director of Laboratory Services Construction Services Division

50+ years of experience
PSP participants
samples shipped per year
laboratory assessments per year
accredited labs

Estimated On-Site Assessment Schedule

Important Announcement Regarding
Changes to AASHTO re:source Services Due to COVID-19

As of March 13, 2020, all on-site laboratory assessments are suspended until further notice. Customers who currently have assessments scheduled will receive a phone call from our office to confirm receipt of this message. We will continue to monitor the situation to determine when we can resume on-site assessments. Questions regarding your upcoming assessment can be directed to Laboratory Assessment Program Manager, Maria Knake at or 240-436-4804.

Visit the Remote Assessments page for more details on this service.