Sterling 43760 Trade Center Place, Suite 110 Sterling, VA 20166 Phone: 703-478-0055 Fax:703-478-0137 Directions From: Office Contacts Amin Rahman, PE Vice President Geotechnical Engineering arahman@gtaeng.com Sarah E. Dalton, PE Vice President Geotechnical and COTS sdalton@gtaeng.com Stephen A. Cutter Vice President Subsurface Exploration and COTS scutter@gtaeng.com Andrew S. Hendricks, PG, LRS Vice President Environmental Consulting ahendricks@gtaeng.com