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"“…if you do everything that the AASHTO accreditation requires you to do, if you execute all of the requirements of [AASHTO re:source], you will have a well-run laboratory."

Florida Department of Transportation

Tim Ruelke, P.E., Director, Office of Materials

55+ years of experience
PSP participants
samples shipped per year
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accredited labs

AASHTO re:source's Proficiency Sample Program: A Visual Approach

By Kimberly Swanson, Communications Manager

Posted: November 2012

Ever wonder what is actually behind the all of the AASHTO re:source proficiency samples you receive? How long it takes to process them, or where samples are shipped? Previous articles on this topic include: "Not Just a Box of Rocks: An Introduction to the AMRL Proficiency Sample Program," "Proficiency Sample Ratings: Being Average Has Never Been So Good," and "Getting the Most Out of the Proficiency Sample Program: A Guide to Our Online Features and Tools." These articles can give you a great understanding of the program, but they only tell you what you need to know. Check out this infographic for a visual representation of our proficiency sample program.