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 

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










re_news

Policy Update: Thermometer Selection and Records

Mar 04, 2026
Choosing the right thermometer just got easier. We’ve updated our thermometer policy and guidance document, and will begin enforcing the new requirements in July 2026.

Access it in the Policy section of our Document Library.
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