About the author  ⁄ Laura J. Powers

Laura J. Powers is a Consultant at the Wiss, Janney, Elstner Associates, Inc. Janney Technical Center in Northbrook, Illinois. Laura joined WJE in 2002 and conducts studies on a wide range of construction materials. Previously, Ms. Powers was a Principal Microscopist at CTL Group where she had been conducting petrographic studies since 1990.

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