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Lysimeter methods and apparatus

United States Patent

6,826,972
December 7, 2004
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A suction lysimeter for sampling subsurface liquids includes a lysimeter casing having a drive portion, a reservoir portion, and a tip portion, the tip portion including a membrane through which subsurface liquids may be sampled; a fluid conduit coupled in fluid flowing relation relative to the membrane, and which in operation facilitates the delivery of the sampled subsurface liquids from the membrane to the reservoir portion; and a plurality of tubes coupled in fluid flowing relation relative to the reservoir portion, the tubes in operation facilitating delivery of the sampled subsurface liquids from the reservoir portion for testing. A method of sampling subsurface liquids comprises using this lysimeter.
Clark; Don T. (Idaho Falls, ID), Erickson; Eugene E. (Pocatello, ID), Casper; William L. (Rigby, ID), Everett; David M. (Shelley, ID), Hubbell; Joel M. (Idaho Falls, ID), Sisson; James B. (Idaho Falls, ID)
Bechtel BWXT Idaho, LLC (Idaho Falls, ID)
10/ 285,798
20040083827
October 31, 2002
GOVERNMENT RIGHTS This invention was made with Government support under Contract DE-AC07-99ID13727 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.