Our Team
Clean Soils Environmental, Ltd. is comprised of a highly qualified team of professionals including geologists, engineers, environmental scientists, and field technicians specializing in a wide variety of environmental site assessments, remedial activities, permitting, and regulatory compliance. CSE believes that the success of a project depends upon fully understanding our client’s needs which is benefited by an elevated level of involvement by key senior personnel. This participation helps to facilitate effective communication, focused efforts, and the attention to detail that our clients have come to appreciate. Our team’s flexibility and extensive consulting experience allows us to seamlessly integrate our staff with your project to quickly and efficiently address an outstanding range of projects.
Meet Our Team
William H. Mitchell, Jr., LSP
President/LSP
Mr. Mitchell is the Co-founder and President of CSE as well as a registered Licensed Site Professional (LSP License # 1965) and Certified OSHA Hazardous Waste Site Cleanup Supervisor. In addition, Mr. Mitchell holds a Certificate of Professional Achievement in Hazardous Waste Management from Northeastern University Center for Continuing Education and maintains a full membership with the Massachusetts LSP Association. Mr. Mitchell, who earned a B.S. degree in Geological Sciences from Salem State University, has held positions in the areas of oil and hazardous waste assessments and cleanups, oil and gas exploration, geology, and geophysics in both Massachusetts and Alaska. His wide range of environmental knowledge and experience bring an interdisciplinary approach to solving environmental problems. Mr. Mitchell is one of the few LSPs that still perform field services including cleanup oversight, collection of field data, management of laboratory data, and more.
Kevin L. McAndrews
Project Manager, Geologist
Kevin has been with Clean Soils Environmental, Ltd. (CSE) since 2012 after graduating from Salem State University (SSU) with a Bachelor of Science in Geological Sciences and was promoted to Project Manager in 2014. Kevin leads the CSE team managing and overseeing multi-faceted environmental projects that include planning, assessment, remediation, and monitoring of impaired properties in accordance with the Massachusetts Contingency Plan (MCP) and other relevant regulations. He specializes in performing all aspects of Phase I & II Environmental Site Assessments, site characterization, remedial investigations and design, vapor intrusion investigations and mitigation, soil management at construction and remediation sites, regulatory compliance, and site safety monitoring. Kevin has managed numerous projects involving site investigation, characterization, and remediation of contaminated industrial, commercial, residential, state-owned facilities and brownfields sites for releases of petroleum products, chlorinated solvents, metals, and other hazardous materials. His technical disciplines include subsurface investigations, geologic and hydrogeologic interpretation, and risk assessments. He is highly skilled in developing field investigation programs; the oversight of remedial system design, construction, and operation; producing technical reports, studies, permit applications and proposals; and in communicating with clients, subcontractors, and regulators. He has a proven record of successfully executing and prioritizing multiple complex tasks simultaneously under various conditions from client consultation to final product delivery within budget and schedule constraints. Finally, he holds an FAA Remote Pilot Certificate and conducts aerial surveillance via quadcopter (i.e., drone) during field reconnaissance to monitor site progress.
John Erik Strom
Environmental Geologist
John Erik joined the Clean Soils team in 2019 and works directly with the Project Manager and Licensed Site Professional (LSP). He supports field investigations involving real estate due diligence services including Phase I & II Environmental Site Assessments consistent with ASTM and Massachusetts 21E standards, in addition to preliminary and comprehensive assessments and remediation activities for Massachusetts Contingency Plan (MCP) projects. A graduate of Salem State University (SSU), he holds a bachelor’s degree in Geological Sciences with a concentration in Marine Geology. Prior experiences include work with The National Science Foundation, The National Lacustrine Core Facility (LacCore), Salem Sound Coast Watch, and the Peabody Essex Museum/Historic New England. Strom’s specific skillset includes environmental assessment, soil and groundwater sampling, data collection/processing, fieldwork methods and troubleshooting, report writing, and safety procedures . John Erik’s work and relationships with clients and colleagues’ mirrors CSE’s exacting standards of honesty and integrity. He places terrific value on working together to achieve common goals in a structured and safety-minded manner.
Denise M. Prosser, MBA
Chief Financial Officer
Ms. Prosser is the Co-founder, Chief Financial Officer, and former President of CSE. Ms. Prosser holds a B.S. degree in Business Education and a master’s degree in Business Administration (M.B.A.) from New Hampshire College and has completed advanced coursework in the areas of environmental assessment and environmental law. In addition, she has studied oil and hazardous waste cleanup regulations in seminars sponsored by DEP. Ms. Prosser manages all the financial and operational aspects of business activities including planning and implementation of corporate growth and investment strategies.