W. L. Gore & Associates, Inc.

Mark B Stutman

Christian E Bailey

Apparatus for soil-gas sampling comprising one or more passive vapor collectors enclosed within a liquid water penetration resistant vapor-permeable container to which means for easy in-ground insertion and retrieval is attached. The apparatus provides protection from water, dirt and mechanical damage to the vapor collector(s) during the insertion, sampling and removal steps and permits retrieval of the container from its in-ground location without the efforts and risks associated with excavation.

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Lewisville, PA, United States of America

Mark B Stutman