John, Ryan, and Joe join us once again, this time to discuss the recent Performance Graded Asphalt Binder, Viscosity Graded Asphalt Cement, and  Slurry and Micro Systems samples. 

Related information: 

• S4 E27:  November PSP Insights - Unmodified Emulsified Asphalt and Paint
• S4 E20:  October PSP Insights - Aggregate Gradation and Gravity
• S4 E14:  August PSP Insights - Polymer-Modified Emulsified Asphalt
• S4 E13: August PSP Insights - Gyratory 
• S4 E12: August PSP Insights - Marshall and Hveem
• S4 E06: June PSP Insights (PGB and BAC)
• S4 E03: May PSP Insights
• S3 E30: November PSP Insights
• S3 E23: September PSP Insights
• S3 E15: July PSP Insights
• S2 E29: The Proficiency Sample Program Participation Guide and Prerequisites for Accreditation 

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