The key to ensuring quality asphalt is testing—but how, when, and where you test can significantly affect your results. In this episode, Richard Izzo joins Jim Warren for an in-depth discussion on testing fundamentals, procedures, and the critical role this process plays in guaranteeing quality asphalt pavement.
Learn why quality asphalt doesn’t just meet specifications—it creates durable, long-lasting mixes. Curious about how a spatula and bowl can influence test results? Wondering how long to submerge a Gmb sample in the water tank? Tune in to uncover the answers and explore the science behind the process!
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00:00 Intro
01:00 Guest Introduction: Richard Izzo
02:11 What do you do for a living?
03:01 Safety in the lab and field
06:04 Importance of certification
07:39 Test procedures and their nuances
11:39 Types of tests and materials
14:05 When and where to test
16:26 Proficiency testing
18:37 Specification compliance and risk management
22:59 Difference between QC, QA, Acceptance
25:35 Consequences of Not Following Procedures
27:58 Quality of the materials
29:46 Test Procedures
34:48 Sampling Materials
36:18 Chain of Custody
37:42 Sampling Variability
40:53 Data
43:11 Communication
46:07 Available Resources
50:10 Automated Temperature Systems
52:08 King for a Day
53:00 Conclusion
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