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Mysterious odor evacuations

Associated Press
Mysterious odor evacuations

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Residents of 150 suburban Philadelphia homes are being allowed to return home as their houses are tested after a voluntary evacuation overnight due to a mysterious odor.

Officials are awaiting lab results to try to identify the substance responsible for Sunday evening's problem in the neighborhood in Skippack. Officials have identified basement sump pumps as the origin but have not been able to pinpoint the cause.

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