WATERSTONE PROJECT EXPERIENCE

SERVICE TYPES

REMEDIATION EXPERIENCE

Industrial Redevelopment - Cerro Metals Products Company

Project Manager: Eric Smith, PG, CHG

 

Waterstone conducted the evaluation of a large metal pipe manufacturing facility in operation since 1955 for the purpose of identifying potential environmental impact source areas; development of sampling plans; site wide investigation of soil, soil gas and groundwater; soil and groundwater remediation; and coordination with the redevelopment team for treatment system modifications to accomodate property redevelopment. All work was conducted under the regulatory oversight of the Los Angeles Regional Water Quality Control Board.

Residential Redevelopment - Former Unocal Hartley Research Center

Project Manager: Mark Shifflett

 

Waterstone was tasked with the evaluation of a 120-acre facility in operation in Brea since the 1950s to identify areas of soil impact requiring remediation in preparation for residential redevelopment; development of remedial workplans; site-wide investigation of soil; soil remediation by excavation, offsite disposal and deep onsite burial. All work was conducted under the regulatory oversight of the Orange County Health Care Agency and Santa Ana Regional Water Quality Control Board.

Soil and Soil Vapor Remediation - Commercial Redevelopment at Former Dry Cleaners

Project Manager: William Henry

 

Waterstone was retained by a law firm for a property owner to perform a Phase II soil and soil vapor investigation and to conduct site mitigation activities on an approximate five acre parcel presently under construction for future commercial use. Historical soil vapor sampling showed that the site was impacted by PCE from dry cleaning operations that were conducted at the along the northeastern portion of the site prior to its redevelopment. The investigation and follow up initiation of mitigation activities are being conducted concurrent with site construction activities.

Oil Field Redevelopment - Villages at Heritage Springs

Project Manager: Nancy Beresky

 

Waterstone was retained by the City of Santa Fe Springs to research the feasibility of residential redevelopment on a 54-acre piece of the Santa Fe Springs oil field.  After Waterstone prepared the feasibility study and cost options for remediation, Waterstone was retained to perform an extensive investigation including soil sampling, vapor sampling, and groundwater sampling at over 100 areas of concern for a group of entities consisting of the City, the oil company, and the developer.  After site characterization was complete, Waterstone prepared a Remedial Action Plan including a risk assessment to define the 39 areas of concern that required remediation.  Waterstone performed 72 days of remediation by excavation, removing 75,000 tons of soil from former sump and tank farm areas.  Waterstone collected confirmation samples and used these in a final risk assessment to demonstrate that the site was suitable for residential development.  All work was conducted under the regulatory oversight of the local Certified Unified Program Agency (CUPA) with additional oversight by the Regional Water Quality Control Board (RWQCB) and the Office of Environmental Health Hazard Assessment (OEHHA).  The site has been successfully redeveloped as the Villages at Heritage Springs residential neighborhood.

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