Peter Langtry, P.G., C.E.G., C.HG.

Senior Principal Environmental Geologist

Phone: (925) 988-9500 ext. 217
Email: plangtry@cornerstoneearth.com

Peter has over 31 years of experience in environmental and geological consulting, and has performed and directed environmental investigations for a range of project types, including residential and commercial redevelopment of brownfield sites. He has successfully managed the investigation, regulatory agency interaction, documentation, and cleanup of many complex and high profile projects, including nurseries, agricultural sites, and industrial facilities.