Recent Changes “FAQ’s” added to WMTC webpage Nuclear testing eliminated from asphalt class Correlation/comparison test results required to accompany qualified tester application Certified tester that qualifies a tester will be held accountable if qualified tester doesn’t know the test procedures Mid-point recertification not required. Certification valid for 5 years instead of 6 years. The word “knowingly” removed from decertification section of WMTC policy. WMTC committee can take action even if tester unknowingly performs test(s) incorrectly. 1

Ongoing Issues Witnessing sampling and maintaining possession of samples Incorrect or missing lab equipment Non certified/qualified testers allowed to perform acceptance tests Independent Assurance division will continue to place emphasis on procedures and equipment 2

◦ Overshoot timeline between 24 hours and 7 days (FY16)  Must be slow set to allow emulsion to penetrate entire depth of chip ◦ Disallow steel wheel rollers and require a minimum of 3 pneumatic tire rollers (FY16) ◦ Compatibility test requirements (FY16) ◦ Removed type D, E, K and S gradation from spec book (FY17) ◦ Modified type C gradation on 3/8” sieve (FY17) ◦ Field viscosity test  Use embedment depth to indirectly measure viscosity 3

Liaison for all MTM users Gather MTM users’ concerns and suggestions for the MTM’s betterment Assess and suggest additions, changes, or deletions to the MTM from user comments Review MTM and its forms yearly to assure all sections and forms are current and correct 4

MTM Committee Members FINAL APPROVAL: Greg MilburnState Materials EngineerHQCheyenne, Materials Charlie BauerConstruction Staff EngineerHQCheyenne, Construction Staff COMMITTEE: Kari BergemanField Testing TechnicianD4Gillette Kevin DiethrichField Testing TechnicianHQCheyenne Hillary GuzmanField Testing TechnicianD3Afton Jennifer HoffmanResident EngineerD3Kemmerer Kaylee LonnField Testing TechnicianD1Rawlins Cathi LutzCo-Chairman - Staff TechnicianHQMaterials Mike ReyesCo-Chairman - IA SupervisorHQCheyenne, Materials

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Convection Oven requirement for drying asphalt cores Previously only required cores be dried to constant mass Directional bias for density and gradation requires new correlation and WYDOT results used Removed alternate procedure for gradation (12” sieves) Field screen test Removed field viscosity test Chip seal compatibility test 7