Sears Auto Center Heating Oil Tank

Ecology held a comment period from May 10 - June 10, 2019 to delist the site from the Hazardous Sites List. This Site is now delisted from the Hazardous Sites List.

Sears built a new building on this property in 1992 to house the Sears Automotive Center. This building remains on the property, and currently houses Momentum Indoor Climbing.

During construction in 1992, an underground heating oil tank (HOT) was removed from the property. The HOT was part of the heating system for older buildings that had also been removed from the property. Concentrations of petroleum hydrocarbons from soil collected around the tank were below cleanup levels. Groundwater under the property is very shallow, however, and Ecology suspected that it may be contaminated. For this reason, we added the Site to our Confirmed and Suspected Contaminated Sites List in 2007. The Site underwent a Site Hazard Assessment, received a ranking of 5, and was added to the Hazardous Sites List in 2013.

Groundwater samples were collected on the Site in 2016 and 2017. Results of the sampling showed that groundwater does not contain petroleum hydrocarbons above cleanup levels. Ecology performed a new Site Hazard Assessment in 2018 to incorporate the new groundwater data. The outcome of the Site Hazard Assessment was a recommendation of No Further Action for the Site.

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