We discuss the results for the most recent soil proficiency samples, including Soil Classification and Compaction, Soil California Bearing Ratio, and Soil Resistance R-Value.Related information:S3 E30: November PSP InsightsS3 E23: September PSP InsightsS3 E15: July PSP InsightsS3 E06: Digging into Soil Classification and Compaction Samples 185/186S2 E29: The Proficiency Sample Program Participation Guide and Prerequisites for AccreditationS2 E22: Taken from TechEx: Hydrometer Analysis of Fine-Grained SoilsS1 E30: Inside PSP with Guest Host, Oak MetcalfeS1 E24: The transition from ASTM D422 to D6913 and D7928S1 E15: FAQ - How and when do I respond to low ratings? S1 E02: Dealing with Repeat Low RatingsSend us a textHave questions, comments, or want to be a guest on an upcoming episode? Email [email protected]. Related information on this and other episodes can be found at aashtoresource.org.

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