Environmental Due Diligence
Christopher Stang, PG
Senior Managing Director Environmental Services
Mr. Christopher Stang is a Professional Geologist (PG) with more than 18 years of experience in the environmental and due diligence consulting industry. He has conducted Environmental Site Assessments (ESAs) for a wide range of local and national clients, including banks, agency lenders, investment banks, life companies, law firms and property owners. The properties he has evaluated have included multifamily residential, retail, office, industrial and hospitality facilities.
Mr. Stang has conducted or reviewed hundreds of ESAs in accordance with ASTM E1527, the USEPA All Appropriate Inquiry rules, Fannie Mae Delegated Underwriting Standards, Freddie Mac guidelines and other client specific scopes of work. Based on his experience and education, he meets the definition of an Environmental Professional as defined in §312.10 of 40 CFR 312. His environmental background includes a detailed understanding of the risks associated with hazardous and regulated materials storage, use generation and disposal, above ground and underground storage tanks and polychlorinated biphenyls (PCBs), as well as the ASTM non-scope considerations of asbestos, lead-based paint, radon and microbial growth. Mr. Stang has also managed and performed many remedial invitation (RI) site assessments at sites across the county and has also conducted site remediation activities including implementing free product removal, groundwater pump and treat, soil venting, bio-sparging technologies, in situ chemical oxidation (ISCO) via sub-surface injection or soil blending, and air-sparge/soil vapor extraction.
Mr. Stang’s technical experience includes geologic and hydrogeologic aspects of subsurface investigations associated with contaminant migration at petrochemical, chlorinated solvent and hazardous waste sites. Mr. Stang has performed multiple vapor intrusion assessments and his experience also includes recovery and monitor well installation; aquifer testing, including slug tests and pump tests, groundwater remediation and design; vapor, soil, water, industrial waste stream sampling and geophysical surveys with the government and private sectors.