Papers are needed for a Symposium on Petrographic Techniques for Examining Hydraulic Cements and Concretes, sponsored by ASTM Committee C09 on Concrete and C01 on Cement. The event will be held December 7 in Washington, D.C., in conjunction with the committees' December 5 to 10 standards development meetings. Authors should submit the online Abstract Submittal Form, and attach a 250- to 300-word preliminary abstract by April 16. For more information on the Symposium, contact Chairman D. Stephen Lane, Virginia Transportation Research Council at (+1) 434-293-1953 or dsl5e@virginia.edu.