HW designs and implements soil and groundwater treatment systems, air sparging/ biosparging and soil vapor extraction/ bioventing systems, passive venting systems, chemical oxidation injections, dig and haul, and other methods of contaminant remediation. Contaminants of concern in our portfolio include, but are not limited to,
petroleum products, manufactured gas plant residues, chlorinated solvents, metals, per- and polyfluoroalkyl substances (PFAS) and multi-contaminant plumes.
Environmental Emergency Response
HW is prepared to respond to emergencies including sudden releases of OHM from vehicles, aircraft, construction/industrial equipment, overfilling of storage tanks, and
other accidents. Our experts have responded to numerous emergencies, developing thoughtful strategies to reduce environmental impact and liability.
Licensed Site Professional Services
HW provides Licensed Site Professional (LSP) services consistent with the Massachusetts Contingency Plan (MCP) on sites including dry cleaners, gasoline stations, manufactured gas plants, commercial properties, residential properties, and industrial properties. LSP services include site assessment, site remediation,
monitoring, public outreach, and state agency compliance.
HW provides turnkey services by combining our environmental consulting services with our wetland/wildlife consulting, site survey, civil site design, and construction
oversight capabilities for a seamless project experience. When our staff is involved early in the project, we can provide a multi-faceted team of experts who can assess
the feasibility of a project from the ground up. By identifying areas of potential environmental concern early, we save our clients time and money.