Mr. Metzler is a registered Engineer-In-Training in the Commonwealth of Pennsylvania with 8 years of experience in solid waste engineering. He is a graduate of The Pennsylvania State University with a Bachelor's Degree in Civil and Environmental Engineering. He has been responsible for the preparation and completion of permit application packages, calculations, reports, drawings, and other related documentation for submittal to clients and regulatory agencies for municipal and residual waste facilities. Zach has lead construction quality assurance efforts on numerous landfill construction projects related to soil and geosynthetic liner system materials; closure systems; leachate collection, pumping and storage systems; and gas extraction systems. Zach has gained expertise in the installation and maintenance of subsurface monitoring equipment, particularly in relation to supporting the excavation of coal combustion residual materials at several power plants across the Southeastern United States.

Mr. Nagy is a Project Consultant with over 3 years of experience within the solid waste and environmental fields. His experience includes slope stability analysis, slope monitoring instrumentation, landfill construction and design, and environmental compliance. He has diverse field work experience including, but not limited to, instrumentation installation and upkeep, construction quality assurance, drilling oversight, and environmental groundwater and soils sampling. He has also been involved in technical engineering and reporting of slope stability analyses and instrumentation, landfill design, solid waste and environmental permitting, and computer modeling.