Programs that work for you

"They are rigorous, they’re about making sure our labs, personnel, and test methods conform, that they’re in compliance. They’re independent, not driven by a vendor or a construction company.”

California Department of Transportation

Philip Stolarski, Former Deputy Division Chief, DES-METS & GS

55+	years of experience
3,000+ PSP participants
23,000+ samples shipped per year
1,000 laboratory assessments per year
2,000+ accredited labs

News

Test Method Added To Scopes of Service (2nd Quarter, 2022)

Apr 07, 2022

The following test has been added to the scopes of our assessment and accreditation programs:

ASTM D7263, Standard Test Methods for Laboratory Determination of Density and Unit Weight of Soil Specimens

Laboratories can sign up for these test methods on our website as part of their next laboratory assessment.

If you would like us to add other standards to our scopes, feel free to mention them when submitting feedback, or email your request to our Quality Manager.