We dive into the results of the recent Performance Graded Asphalt Binder, Viscosity Graded Asphalt Cement, and Paint proficiency samples.

Related Information: 

• http://aashtoresource.org/psp/schedule
• http://aashtoresource.org/psp/reports
• http://aashtoresource.org/psp/sample-round-analysis

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Related information on this and other episodes can be found at aashtoresource.org.