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Proposal to remove Sears Auto Center Heating Oil Tank from the Hazardous Sites List

DRAFT FOR PUBLIC COMMENT Comment on this draft
Publication number Date Published
19-09-181MLMay 2019
VIEW NOW Proposal to remove Sears Auto Center Heating Oil Tank from the Hazardous Sites List (Number of pages: 4) (Publication Size: 1065KB)
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Author(s) Kim Wooten & Nancy Lui
Description The Sears Auto Center Heating Oil Tank Site is located at 2759 1st Avenue South, Seattle, WA 98134. The Site was a former automotive service center. It is currently a rock climbing gym called Momentum Indoor Climbing.
In January 1992, an underground heating oil tank was removed from the property during construction of the new Sears Automotive Center building. Soil samples collected from the tank area did not contain petroleum hydrocarbons (TPH) above cleanup levels. Additional soil samples collected on the property in 1994 also did not contain TPH above cleanup levels. Groundwater on the Site is only 8 feet below ground so Ecology suspected TPH contamination in the groundwater.
In August 2013, Ecology completed a Site Hazard Assessment (SHA) on the site. The result was a ranking of “5” on a scale of 1 to 5, where “1” represents the highest risk and “5” represents the lowest risk. The SHA ranking estimates the potential threat to human health and the environment relative to other sites in Washington State. This ranking was based on the suspected groundwater contamination.
In November 2016, 2 monitoring wells were installed at the Site to collect groundwater samples. Four consecutive quarters of groundwater samples were collected and analyzed in 2016-2017. No groundwater samples contained TPH above cleanup levels.

Ecology recommends a No Further Action determination. The site meets state cleanup standards. Ecology is proposing to remove the Site from the Hazardous Sites List (HSL).



Sears汽車保養中心暖氣油槽環境整治工地(工地)位於2759 第一大道南, 西雅圖, 華盛頓州。本工地前為汽車保養中心。目前則是一個名為 Momemtum Indoor Climbing的攀岩健身房。生管署提議將本工地從危險工地名單除名。生管署判定本工地環境環境整治工作已符合本州環境整治標準。若需關於本環境整治中文訊息或文件,請聯系林昊,電話號碼 (425) 649-7187,或 電子郵件 請註明Sears汽車保養中心暖氣油槽。

The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

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Contact Kim Wooten at 425-649-7040 or
Keywords Sears Leaking Underground Storage Tanks, soil and groundwater, Voluntary Cleanup Program (VCP), hazardous sites list, petroleum contamination
WEB PAGE Sears Auto Center Heating Oil Tank
CLEANUP SITE Cleanup Site ID: 4669

FACILITY SITE Facility Site ID: 46247836