Mr. Grenfell has over 14 years experience in the environmental consulting industry and has worked in various disciplines, including regulatory compliance, EH&S, asbestos abatement, air monitoring, Tier II reporting, and environmental due diligence practices, including Phase I ESAs, Phase II ESAs, and PCAs. Mr. Grenfell’s primary area of expertise is in the environmental due diligence field, where he has performed hundreds of Phase I ESAs and has managed thousands of due diligence projects. Mr. Grenfell has conducted and managed Phase I ESAs on industrial, office, multi-family, government, retail, and hospitality properties. Most notably, Mr. Grenfell has managed multiple large multi-site due diligence portfolios for varied and demanding clients. He has developed scopes of work, mentored field personnel, identified environmental risks, and regularly provides detailed reports within demanding deadlines. Mr. Grenfell is familiar with all aspects of due diligence property assessments and reporting standards, including Fannie Mae DUS, Freddie Mac, HUD, and is especially knowledgeable on EPA’s All Appropriate Inquiry and ASTM E1527-05. In addition, he has worked with diverse client groups with unique client-specific scopes of work and reporting requirements.