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"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 Methods Removed from Scopes of Service

Apr 17, 2024

The AASHTO Accreditation and Laboratory Assessment Programs have removed the following metal tests from their scopes:

A1064: Welded Plain Steel Wire: Unit Weight
A1064: Plain Steel Wire: Unit Weight
M336-T244/A1064-A370: Welded Deformed Steel Wire: Tension (Reduction of Area)
M336-T244/A1064-A370: Deformed Steel Wire: Tension (Reduction of Area)

These tests are no longer included in our scope of service because Unit Weight determinations are not performed with Plain Steel Wire and Reduction of Area is not performed with Deformed Steel Wire. If you have any questions, please contact us.