Strategic Approaches and Innovative Technologies for Manufactured Gas Plant (MGP) Sites

Geosyntec's depth of experience, strategic approaches, and innovative technologies assist our clients in evaluating and mitigating various environmental media at manufactured gas plant sites.

Strategic Approaches to MGP Sites

Geosyntec professionals have comprehensive experience investigating and remediating former manufactured gas plants (MGPs), stakeholder negotiations, development of remedial strategies, serving as expert witnesses, and otherwise assisting with litigation. Services include site investigation, feasibility studies, development and implementation of remedial action plans, evaluation of treatment options, value engineering as part of a third party review of another firm's work, assessment and mitigation of subsurface vapor intrusion pathways, and site closure.

Our specialized MGP site expertise demonstrates our capability to quickly deploy teams to assist clients with:

  • Site Characterization
  • Remedial Investigation and Design
  • Construction Services
  • Risk Assessment
  • Brownfield Redevelopment
  • Sediment Remediation
  • Regulatory Negotiation
  • Community Relations

Innovative Technologies for MGP Sites

Geosyntec defines the state of the practice in many fields because of our strong academic >and research interests. One example of our innovative technological approaches is STAR: (Self-sustaining Treatment for Active Remediation). STAR is an innovative technology to remediate Non-Aqueous Phase Liquids (NAPLs) which uses smoldering combustion to quickly and efficiently destroy contaminants. Another example is our Corrective Action Plan (CAP) for site and stream remediation and reduction of hydrocarbons using an air sparging fence in a fractured bedrock aquifer.

Representative Manufactured Gas Plant Site Experience

Assessment and Engineering Services for the Redevelopment of a Former Manufactured Gas Plant Site
In-Situ Groundwater Remediation, Remedy Selection and Remedial Design at a MGP Site
Development and Implementation of a Soil and Groundwater Remediation Program
RCRA Corrective Actions in Accordance with SWMU Corrective Action Permit
Site Characterization and Remedial Design at the Quanta Resources NPL Site
Ecological Risk Assessment at a Former MGP Site
Remedial Services for MGP-Contaminated Site
Innovative Field Investigation Techniques at a Former MGP Site
CAP Approach to Site/Stream Remediation and Reduction of Hydrocarbons in Fractured Bedrock Aquifer at a Former Manufactured Gas Plant
Ecological and Functional Wetland Assessment and Toxicity and Sediment Testing at a Former Manufactured Gas Plant
Contamination Assessment Plan for a Historical Park Impacted by Former Manufactured Gas Plant Operations
Forensic Analysis of Subsurface Vapor Intrusion to Indoor Air and Background Conditions at a Former MGP Site

Self-sustaining Treatment for Active Remediation (STAR) is a new remediation approach with the potential to combine technical effectiveness, quick treatment, and substantial savings in operation and maintenance costs relative to currently available techniques. STAR is provided by our environmental technology research & testing laboratory SiREM, a wholly owned subsidiary of Geosyntec.
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Lead Consultants

  • Susan Hill, P.E.
    Susan Hill, P.E., a Senior Principal at Geosyntec, is an Environmental Engineer with more than 30 years of experience focused on the investigation and remediation of sediment mega sites. She has wo ...
  • Nandra Weeks, P.E.
    Nandra Weeks is a Senior Principal Environmental Engineer based in Florida with more than 30 years of professional experience focused on the engineering and remediation issues associated with envir ...
  • Susan Welt, M.P.H., P.E.
    Susan Welt is a Principal based in Massachusetts with almost 20 years of experience focused on the investigation and remediation of industrial sites, former manufactured gas plants (MGP), mining op ...
Geosyntec Consultants
Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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