Ronald E. Holsinger, proficiency sample program supervisor at the AASHTO Materials Reference Laboratory in Gaithersburg, Md., has received the ASTM International A. Ivan Johnson Outstanding Achievement Award for his significant contributions to Committee D18 on Soil and Rock.

Holsinger is secretary of Committee D18 and works on several D18 subcommittees.  He also serves on Committees C01 on Cement, C09 on Concrete and Concrete Aggregates, D04 on Road and Paving Materials, and E11 on Quality and Statistics, where he is membership secretary. He has been recognized with the Richard S. Ladd Standard Development Award from D18 and an Award of Appreciation from E11. Holsinger has been a member of ASTM International since 1990.

A graduate of the University of Pittsburgh, Pittsburgh, Pa., where he earned a bachelor’s degree in mechanical engineering and a master’s degree in secondary education, Holsinger spent 17 years as a high school math and science teacher before beginning his career in construction materials testing at AASHTO in 1990.  He was an assessor and supervisor in the soil program before assuming his current role in 2002.  The AASHTO sample program for proficiency testing of construction materials distributes test samples of materials like soil, crushed stone and asphalt for comparison testing to more than 2000 laboratories and approximately 30 countries outside the United States.

In addition to ASTM International, Holsinger is a member of the American Society of Civil Engineers and the American Concrete Institute.

ASTM PR Contact: Erin K. Brennan, Phone: 610-832-9602; ebrennan@astm.org

Release #8690/Sept2010