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Principal Environmental Scientist

  Stephen has over 23 years of asbestos, lead-based paint and construction management experience. In addition to his fiscal and marketing duties as President of Environmental & Construction Management Services, Inc. (ECMS), he oversees the technical staff, coordinates business and professional development of the Corporation, provides technical QA/QC, and offers specialized technical support in accordance with state and federal regulatory agencies.

Prior to co-founding ECMS, Stephen served as Division Manager for asbestos and lead management services at Hygienetics Environmental Services, Inc. in Boston. As Division Manager, Mr. Weydt was responsible to review all Quality Assurance policies, procedures, instructions, and manuals, as well as perform Quality Assurance review of all outgoing documents.

In addition, Stephen served as Project Manager for all asbestos and lead-based paint activities associated with the $14 billion dollar Massachusetts Central Artery/Tunnel Project.

Prior to joining Hygienetics Environmental, he served as senior project manager at a national environmental consulting firm on hundreds of asbestos and lead projects including lead testing, abatement design, and clearance testing for many Boston area and National clients.

In 1990, Stephen became one of the first twenty people in the State of Massachusetts to be licensed by the Massachusetts Department of Public Health as a Master Lead Inspector. Since 1990, he has performed thousands of inspections for the presence of lead-based paint in both residential and commercial settings. In addition, as a Master Lead Inspector, Stephen has trained dozens of Provisional Lead Inspectors.

Some of his recent accomplishments include:

  • Completed all regulatory requirements specified in 453 CMR 6.09 for the licensure of ECMS as an Asbestos Training Provider.
  • Provided Construction Management Services to a large Boston area school for the clean up of asbestos contamination throughout its campus.
  • Developed and implemented an asbestos training program for a large Boston area property management company’s maintenance staff.
  • Provided inspection, abatement design and project management for the asbestos removal at Boston’s historic Old Boston Opera House.
  • Served as Project Manager for all asbestos and lead-based paint survey, design and abatement projects for the Central Artery/Tunnel Project as a member of the Right-of-Way Assessment and Remediation Services (ROWARS) team. This team is providing all environmental engineering services required by the multi-billion dollar Central Artery/Third Harbor Tunnel (CA/T) project in Boston, Massachusetts. The ROWARS scope of work encompasses the relocation of utilities, demolition of the elevated Central Artery superstructure, and partial or complete demolition of over 80 buildings along the right of way.
  • The scope of services included all hazard assessments, remedial design, and construction management activities related to asbestos-containing materials, lead-based paint, and polychlorinated biphenyls (PCBs). Using our automated survey data program, inspection reports are generated to provide a comprehensive inventory of asbestos and non-asbestos containing materials, including a hazard assessment and abatement cost estimates.
  • Designed lead abatement projects for public housing comprehensive modernization programs utilizing experience in variety of available abatement techniques.
  • Designed asbestos abatement and provided Project management services for the demolition of the South Bay Incinerator Project.
  • Developed specifications for removal of lead-based paint from aboveground water tanks, bridges, and structural steel building components.
  • Provided policy review and policy development services to both public and private clients.
  • Supervised asbestos and lead inspections and reviewed survey results to prepare design specifications for lead abatement.
  • Advised clients regarding federal and state lead-based paint regulatory requirements for public and private housing, structural steel projects, and construction projects.
  • Reviewed and evaluated building survey results to design abatement work areas and associated specifications.
  • Represented clients in meetings with Federal and State regulatory officials.

Technical Specialties:
Lead-Based Paint Survey and Abatement

Asbestos Survey and Abatement

Asbestos Training

Environmental Site Assessment

Regulatory Compliance

Construction Management

Structural Demolition
& Painting

B.A., Philosophy/History, Bridgewater State College, 1989

Master Lead Paint Inspector (MA License No. M1200)

EPA/AHERA Accredited Asbestos Inspector

Massachusetts DLWD Asbestos Inspector

EPA/AHERA Accredited Asbestos Management Planner

Massachusetts DLWD Asbestos Management Planner

EPA/AHERA Accredited Asbestos Project Designer

Lead Paint Abatement Supervisor (MA License No. DS00474)

SSPC Lead-Based Paint Abatement

Georgia Institute of Technology, Lead-Based Paint Identification and Abatement

Professional Memberships:
Steel Structures Painting Counci
New England Environmental
Information Association

Boston Chamber of Commerce

Small Business Service Bureau


“Strategies for Compliance with OSHA and EPA Regulations,” Annual Trade Show, Steel Structures Painting Council, Northern New England Chapter, North Andover, MA, September, 1995

“Lead and Asbestos Regulatory Update,” The New England Environmental Expo, Boston, MA, May, 1998

“Forum on the Effective Oversight of Publicly Funded Asbestos Abatement Projects” The Massachusetts Turnpike Authority, Central Artery/Tunnel Project, Boston, MA, May 9, 2000