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School works to plug radon leak: Officials wait to hear if concrete sealant is working at Zephyr Cove Elementary

Date Published: 09/06/2007 [Source]

Parents of Zephyr Cove Elementary School students will have to wait a week to find out if initial measures to reduce the levels of a radioactive gas at the school have been effective.

Radon is a naturally occurring gas released from the Lake Tahoe Basin's abundant granite-based soil. The gas can accumulate to potentially hazardous levels in poorly ventilated rooms and is recognized as the second-leading cause of lung cancer by the U.S. Environmental Protection Agency.