Quakertown 2405 John Fries Highway, Building 3 Quakertown, PA 18951 Phone: 215-536-8363 Fax:215-529-9303 Directions From: Office Contacts David N. Zmijewski, PE President Geotechnical Engineering davez@gtaeng.com Michael W. Derr, PE Vice President Geotechnical Engineering mderr@gtaeng.com Richard Lake, LSRP Vice President Environmental Consulting rlake@gtaeng.com Robert Howard, PE Vice President COT Services rhoward@gtaeng.com