Acquisition, Redevelopment, & Cleanup Oversight

Summary

In response to identified contamination and dump debris discovered during a road right-of-way project, Nova directed the characterization, excavation, and permitted off-site disposal of approximately 100 cubic yards of mercury-contaminated material as part of an interim Response Action Plan (RAP) during initial construction activities. Subsequent investigation, including organic vapor screening and soil laboratory analyses, facilitated the preparation and submittal of a comprehensive RAP to the Brownfields Voluntary Cleanup Program. The RAP included additional segregation of mercury-impacted soil with a Lumex® Mercury Vapor Analyzer.

Highlights

The comprehensive right-of-way cleanup included the segregation, excavation, and disposal of approximately 3,200 tons of dump debris and contaminated soil along the right-of-way embankment. Following the excavation and off-site disposition of the impacted materials, Nova characterized the extent of excavation by collecting a gridded array of confirmation soil samples for applicable laboratory analyses and associated sampling to assess any resulting impact to the adjoining lake bottom sediment. The response actions and risk assessment activities were documented in a subsequent implementation report that was submitted on behalf of the client and was approved by the Brownfields Voluntary Cleanup Program.

For further information on our Environmental Site Investigation & Remediation services click here.