Committees Committee Chair Go back to directory. Add to Address Book. Shawn McFarland Midland Asphalt Materials Work Phone: 814.591.4013work Work Email: smcfarland@midlandasphalt.comINTERNET Categories: Members Updated 1 year ago. Technical Committee Cold Patch Subcommittee Cold Paving Subcommittee Crack Fill & Mastics Subcommittee Emulsions Subcommittee Micro & Slurry Subcommittee Recycling Subcommittee Surface Treatments Subcommittee UTBWC Subcommittee Want to Join a Subcommittee? Sign Up Here