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RCRA Corrective Action Program

Industrial Facility
New Jersey

Services Provided


Regulatory Agencies Involved
New Jersey Department of Environmental Protection

Trihydro is performing ongoing work at this site under New Jersey Department of Environmental Protection (NJDEP) and U.S. Environmental Protection Agency (USEPA) oversight and the requirements of a USEPA Hazardous and Solid Waste Amendments (HSWA) permit. The work is being performed to address extensive chlorinated solvent impacts in soil, bedrock, and groundwater. Various ketones are also present at high concentrations.

Trihydro designed and implemented a complex site investigation to delineate the extent of impacts in soil and groundwater at six solid waste management units (SWMUs) and three Areas of Concern (AOCs). Over 600 soil samples were collected and analyzed from more than 350 locations and over 60 monitoring wells were installed and sampled in three water-bearing zones distributed throughout the facility and adjacent off-site area. The hydrogeologic and soil and groundwater quality data from widespread sampling have been integrated into a conceptual model that describes the distribution of contaminants and migration through fractured bedrock. Trihydro’s careful evaluation of geologic and hydrogeologic conditions at the site and integration into a uniform conceptual model clarified the understanding of site conditions and successfully dismissed a number of investigatory approaches put forth by NJDEP, resulting in significant cost savings..

Remedial action work performed to date has included the design, permitting, construction, and start-up of a $1MM site-wide groundwater extraction and treatment system. The system includes bedrock groundwater extraction and provides hydraulic control of groundwater contamination, treatment of extracted groundwater to remove volatiles and inorganics, and discharge of treated water under permit to the municipal sewer system. Trihydro developed a groundwater flow and solute transport model to aid in monitoring the effectiveness of the system based on simulations of the predicted plume extent and a capture zone analysis.

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"The quality of Trihydro's work matches the exemplary nature of the individuals performing them."
- Guillermo J. Silva-Wiscovich, Partner, Morell Bauza Cartagena & Dapena LLC

Trihydro’s success is based on working safely, maintaining high quality, and having strong project managers on the front line. Our considerable technical and regulatory expertise allows us to anticipate challenges, recognize opportunities, and strategically work with you to reach well-defined milestones and clearly defined end-state visions.

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