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Benton City Maintenance Yard

SITE DESCRIPTION

The Benton City Maintenance Yard, FS # 34717571, is the location of a former Benton City maintenance facility.  In December 1991, three underground storage tanks were removed.  Sampling results showed gasoline and diesel contamination above state cleanup levels in the soil.  In September 1992, 500 cubic yards of soil was over-excavated around the locations of the three underground storage tanks. Over 100 cubic yards of contaminated soil was taken to the Richland landfill for remediation. Soil samples taken from the bottom and sides of the excavation showed no contamination above state cleanup levels.  Based on sampling results and the cleanup completed, Ecology has determined the site does not pose a threat to human health or the environment and proposes to issue a determination of No Further Action and remove the site from the Hazardous Sites List.

SITE DOCUMENTS

• Fact Sheet
• Site Assessment - 1992
• Letter to Dispose of Petroelum Contaminated Soils - 1993
• Report of Sampling Results - 1995
• No Further Action Determination - 2007

Related Information

• Watershed Information for WRIA 37

Additional Resources

• Acronyms used by the Toxic Cleanup Program
• Cleanup Process: Major Steps & Definitions
• Data Submittal Requirements for All Cleanup Sites
• Facility/Site Atlas
• Toxics Cleanup publications