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
PSP participants
samples shipped per year
laboratory assessments per year
accredited labs


New Texas Methods Added to Scope

Jan 10, 2018
We are pleased to announce that we have added the following Texas Methods to our scope of assessments and accreditation:

Tex-148-e, Soil Organic Content Using the UV-Vis Method
Tex-113-E, Laboratory Compaction Characteristics and Moisture-Density Relationship of Base Materials

If you are interested in adding these methods to the scope of your upcoming on-site assessment, please let your assessor know. If you have any questions, please contact us!