Monitoring Well Installation Report, Sea-Tac International Airport

Notes

Hart Crowser, Inc. presents results from the installation of three monitoring wells (WY-1, WY-2, WY-3) near Weyerhaeuser Aviation’s underground fuel storage tanks at Sea-Tac International Airport. Field screening indicated no detectable petroleum product contamination in soil samples, and groundwater was not encountered during drilling. The report includes recommendations for maintaining monitoring well integrity and describes site soil conditions.

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