Learn how to be an AASHTO lab 24/7

"“…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

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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









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Although not listed here, some episodes of the AASHTO re:source Q & A Podcast are also available to watch on our YouTube channel's podcast playlist.

Video Gallery

  • Unboxing AASHTO resource Proficiency Samples: Asphalt Mixtures Gyratory Design 57/58

  • Unboxing AASHTO resource Proficiency Samples: Asphalt Mixtures Marshall & Hveem Design

  • Unboxing AASHTO resource Proficiency Samples: Soil Classification and Compaction 189/190

  • Unboxing AASHTO resource Proficiency Samples: Aggregate Degradation 5/6

  • AASHTO re:university Webinar Series: A Behind the Scenes Look at Assessment Scheduling

  • Unboxing AASHTO re:source Proficiency Sample: Asphalt Mixture Solvent Extraction

  • Unboxing AASHTO re:source Proficiency Sample: Proficiency Sample: Asphalt Mixture Ignition Oven 47/48

  • AASHTO re:university Webinar Series: Benefits of a Corporate Quality Management System (QMS) Review

  • Unboxing AASHTO re:source Proficiency Sample: Slurry and Micro Surfacing

  • Unboxing AASHTO re:source Proficiency Sample: Aggregate Gradation & Gravity

  • Unboxing AASHTO re:source Proficiency Sample: Asphalt Mixtures Gyratory Design

  • Unboxing AASHTO re:source Proficiency Sample: Asphalt Mixtures Marshall & Hveem Designs

  • Unboxing AASHTO re:source Proficiency Sample: Performance Graded Asphalt Binder - PGB 272/272

  • Unboxing AASHTO re:source Proficiency Sample: Viscosity Graded Asphalt Cement - BAC 272/272

  • AASHTO re:university Webinar Series: Internal Audits - What's the Point?

  • Unboxing AASHTO re:source Proficiency Sample: Soil Resistance R-Value - RVL 187/188

  • Unboxing AASHTO re:source Proficiency Sample: Soil California Bearing Ratio - CBR 187/188

  • 2023 AASHTO re:source Technical Exchange - What to Expect!

  • Unboxing AASHTO re:source Proficiency Sample: Soil Classification and Compaction 187/188

  • AASHTO re:university Webinar Series: Ask the AASHTO Accreditation Program

  • Unboxing AASHTO re:source Proficiency Sample: Asphalt Mixture Ignition Oven 45/46

  • Unboxing AASHTO re:source Proficiency Sample: Asphalt Mixture Solvent Extraction 97/98

  • AASHTO re:university Webinar Series: Making the re:source Proficiency Sample Program Work for You

  • AASHTO re:university Webinar Series: Ready, Set, Go: How to Prepare for an AASHTO re:source Assessment

  • AASHTO re:university Webinar Series: Standards as a Second Language

  • AASHTO re:university Webinar Series: Staying on Track: How to Maintain Your AASHTO Accreditation

  • AASHTO re:university Webinar Series: Preparing for an AASHTO re:source Remote Assessment

  • AASHTO re:university Webinar Series: Proficiency Sample Reports Explained

  • AASHTO re:university Webinar Series: Technician Certification Requirements

  • AASHTO re:university Webinar Series: Management Review: Your “State of the Laboratory” Address​

  • Travel the USA as a Laboratory Assessor

  • Join the AASHTO re:source Team

  • Become a Subject Matter Expert - Become a Laboratory Assessor

  • AASHTO re:source Rebranding

  • Remote Assessment Tutorial (September 2020)

  • AASHTO re:source Virtual Recruiting Expo (August 2020)

  • PSP - Back in Action!

  • AASHTO Accreditation and COVID-19

  • Tour of the New Accreditation Events System

  • Why is AASHTO Accreditation important to the construction materials testing industry?

  • Finding an Accredited Calibration Lab

  • Using the AASHTO Accreditation Directory

  • Soil Classification and Compaction Sample Preparation

  • Asphalt Mixture Ignition Oven Sample Preparation

  • Accreditation Process

  • Proficiency Sample Benefits

  • Proficiency Sample Program Overview

  • Laboratory Assessment Process

  • AASHTO Accreditation Overview

  • Laboratory Assessment Overview

  • AASHTO resource Overview

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