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George V Last, 711938 Harris Ave, Richland, WA 99354

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1938 Harris Ave, Richland, WA 99354    509-9468214    509-9468050   

1939 Harris Ave, Richland, WA 99352    509-9468050   

2041 Harris Ave, Richland, WA 99354    509-9468214   

Northridge, CA   

Phoenix, AZ   

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George Last Photo 31

Senior Research Scientist At Pacific Northwest National Laboratory

Adjunct Faculty at Columbia Basin College, Geology Research Coordinator at Mid-Columbia Basin Old Natural Education Sciences (MCBONES) Research Center Foundation, Lake Lewis Chapter President at Ice Age Floods Institute, Senior Research Scientist at Pacific Northwest National Laboratory
Richland/Kennewick/Pasco, Washington Area
Columbia Basin College - Pasco, WA since Sep 2011
Adjunct Faculty
Mid-Columbia Basin Old Natural Education Sciences (MCBONES) Research Center Foundation - Kennewick, Washington since May 2008
Geology Research Coordinator
Ice Age Floods Institute since Jan 2005
Lake Lewis Chapter President
Pacific Northwest National Laboratory since Feb 1984
Senior Research Scientist
Rockwell Hanford Operations Jun 1976 - Jan 1984
Senior Geologist
Washington State University 1993 - 1997
M.S., Environmental Science (Hydrogeology Option)
Washington State University 1971 - 1976
B.S., Geology
Quaternary Geology, Mammoths, Community Education, Waterfowl hunting, Wine Making, Hiking, Photography
Registered Professional Geologist and Hydrogeologist, The State of Washington
Registered Professional Geologist, State of Oregon
George Last Photo 32

Independent Computer Software Professional

United States
Computer Software

Publications & IP owners

Us Patents

Method And Apparatus For Sampling Low-Yield Wells

US Patent:
6547004, Apr 15, 2003
Mar 15, 2001
Appl. No.:
George V. Last - Richland WA
David C. Lanigan - Kennewick WA
Battelle Memorial Institute - Richland WA
International Classification:
E21B 4908
US Classification:
16625003, 166 66, 16625015, 166264
An apparatus and method for collecting a sample from a low-yield well or perched aquifer includes a pump and a controller responsive to water level sensors for filling a sample reservoir. The controller activates the pump to fill the reservoir when the water level in the well reaches a high level as indicated by the sensor. The controller deactivates the pump when the water level reaches a lower level as indicated by the sensors. The pump continuously activates and deactivates the pump until the sample reservoir is filled with a desired volume, as indicated by a reservoir sensor. At the beginning of each activation cycle, the controller optionally can select to purge an initial quantity of water prior to filling the sample reservoir. The reservoir can be substantially devoid of air and the pump is a low volumetric flow rate pump. Both the pump and the reservoir can be located either inside or outside the well.

Methods And Apparatuses For Reagent Delivery, Reactive Barrier Formation, And Pest Control

US Patent:
6416250, Jul 9, 2002
Oct 29, 1999
Appl. No.:
Tyler Gilmore - Pasco WA
Daniel I. Kaplan - Aiken SC
George Last - Richland WA
Battelle Memorial Institute - Richland WA
International Classification:
B09C 108
US Classification:
4051285, 40512815, 40512875
A reagent delivery method includes positioning reagent delivery tubes in contact with soil. The tubes can include a wall that is permeable to a soil-modifying reagent. The method further includes supplying the reagent in the tubes, diffusing the reagent through the permeable wall and into the soil, and chemically modifying a selected component of the soil using the reagent. The tubes can be in subsurface contact with soil, including groundwater, and can be placed with directional drilling equipment independent of groundwater well casings. The soil-modifying reagent includes a variety of gases, liquids, colloids, and adsorbents that may be reactive or non-reactive with soil components. The method may be used inter alia to form reactive barriers, control pests, and enhance soil nutrients for microbes and plants.

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