Providing premier environmental and geotechnical solutions since 1988.

Brentwood Civic Center

Contra Costa County

Treadwell & Rollo is providing geotechnical services during design and construction of the new Brentwood Civic Center project in Brentwood, California. Treadwell & Rollo performed a review and value ...

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Contra Costa Waste Service Landfill

Contra Costa County

Treadwell & Rollo provided monitoring, remedial planning, and design of landfill closure services for this Superfund Landfill site.  This work included a Water Quality Sampling and Analysis Plan, groundwater monitoring ...

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Zeneca Peer Review

Contra Costa County

A Treadwell & Rollo technical support team provides services to the Community Advisory Group (CAG) on a redevelopment project for the Campus Bay Site (formerly Zeneca/Stauffer Chemical) on the Richmond ...

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