About Us

Westchester Environmental is a successful, regional environmental monitoring and consulting firm based in the Borough of West Chester in Chester County, Pennsylvania. It was founded in 2000 by Matthew Abraham, who set out to build a nimble and energetic provider of high quality and high value environmental services. Over the years, the company has attracted and retained hundreds of satisfied clients throughout southeastern Pennsylvania, the City of Philadelphia and the State of New Jersey. These include real estate developers, property managers, educational institutions, architects, abatement contractors, and industrial and commercial enterprises.

Westchester Environmental is certified as a Disadvantaged Business Enterprise by the Commonwealth of Pennsylvania, and Minority Business Enterprise by the City of Philadelphia and the Pennsylvania Department of General Services. Our professionals are qualified and experienced in a wide range of engineering and scientific disciplines including Geology, Hydrogeology, Chemical, Mechanical, and Environmental Engineering; Industrial Hygiene, Health and Safety; Chemistry and Biology. We are also familiar with the legal and financial implications of environmental, health and safety issues. Our technicians include appropriately certified and licensed Professional Geologists, Environmental Engineers, Environmental Site Assessors; Asbestos Building Inspectors, Management Planners, Investigators, Safety Technicians, Project Inspectors; Lead Inspectors and Risk Assessors.


Clients benefit from services designed to help manage environmental and worker health and safety regulatory compliance obligations and to help limit potential liabilities associated with hazardous and toxic substance exposures and contamination. These services include:

  • ASTM Standard Practice and USEPA All Appropriate Inquiry Phase I and Phase II Environmental Site Assessments,
  • Asbestos, lead and mold hazard identification, abatement design and monitoring,
  • Indoor environmental quality surveys that identify and address issues created by inadequate ventilation, water intrusion, and inappropriate operations and maintenance procedures.