Who we are...
John Marchewka, CG, PG
Mr. Marchewka has over 30 years of experience working in the environmental and geological consulting industry. Services include Client support and communications, and regulatory negotiations. Hazardous waste site compliance and investigation, aggregate resources permitting and assessment, and petroleum and hazardous substance tank closure and remediation. Phase I and Phase II Environmental Site Assessments, and State of Maine VRAP Projects. Mr. Marchewka has completed the successful environmental assessment, remediation, and contributed to the successful redevelopment of impacted properties throughought the Greater Portland area.
Maine Certified Radon Systems
Mr. Prescott has over 25 years of experience in investigations involving soil, soil vapor, groundwater, surface water and the performance of subsurface environmental investigations. Mr. Prescott is Maine Certified for the installation of Radon and sub-slab depressurization systems (SSDS) . Other services include Client and DEP relations, vapor probe installation and data analysis, hazardous waste site and petroleum site investigation and closure, and petroleum and hazardous substance tank closure and remediation. Phase I and Phase II Environmental Site Assessments, Federal Brownfields and State of Maine VRAP Projects. Mr. Prescott’s has 10 years of direct Geoprobe operating experience, including soil borings, field testing, vapor probe installations.