BWSC was retained to conduct a Phase II Environmental Site Assessment (ESA) for previously identified ‘recognized environmental conditions’ at an imaging supply manufacturing facility. Results of the Phase II investigation revealed that Site soils and groundwater were contaminated with petroleum-based products and chlorinated solvents, including 1,1,1-trichlorethane and its daughter products.  In order to perform the most cost-effective Site clean-up, BWSC recommended that the Client enter the Voluntary Cleanup Oversight and Assistance Program (VOAP) to work proactively with the State.

Under the VOAP agreement, BWSC performed a Remedial Investigation/Focused Feasibility Study using a passive soil gas survey to identify key locations for installation of monitoring wells.  The soil gas survey and monitoring well test results led to the development and implementation of interim remedial actions including excavation of approximately 3500 cubic yards of contaminated soil in combination with subsurface chemical injections to enhance biodegradation of residual contamination.  

The Site is in its final phases of remediation.  The flexible approach to site remediation under the VOAP program has resulted in significant progress made toward release of environmental liability at a substantial cost savings compared to what could have been incurred under the traditional Superfund Program.  

Key notes
Phase II ESA for manufacturer
Used passive soil gas survey to specify monitoring well locations
VOAP program approach resulted in rapid progress