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Automated soil gas monitoring chamber

United States Patent

July 29, 2003
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A chamber for trapping soil gases as they evolve from the soil without disturbance to the soil and to the natural microclimate within the chamber has been invented. The chamber opens between measurements and therefore does not alter the metabolic processes that influence soil gas efflux rates. A multiple chamber system provides for repetitive multi-point sampling, undisturbed metabolic soil processes between sampling, and an essentially airtight sampling chamber operating at ambient pressure.
Edwards; Nelson T. (Knoxville, TN), Riggs; Jeffery S. (Lafollette, TN)
UT-Battelle, LLC (Oak Ridge, TN)
10/ 051,424
January 18, 2002
The United States Government has rights in this invention pursuant to contract number DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.