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"I did not have the luxury of live study groups or classes. The Passing Zone's strict schedule and Problems of the Week were a life saver."
--Wendy Steffe
Civil PE
LEED Passing Zone LEED® NC and CI Passing Zones

LEED NC and CI Passing Zone Advisor

David Sheridan (PZDave) is an experienced civil engineer and LEED AP practicing in sustainable water resource management and green building practices. He chairs the LEED Certification Committee for the USGBC® LEED program, and is the executive director of the Green Building Association of Central Pennsylvania. He also is an adjunct faculty member teaching at Dickinson College in the environment studies department. Dave received his BS in civil engineering from Pitt in 1971 and a PhD in environmental engineering from Penn State in 1978. He has served as an adjunct faculty member in the civil and environmental engineering department at Penn State, teaching courses in hydraulics and water management and treatment.

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