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WELL LOG Well No. : KW-3 Dates of Location: Lathrop, CA. facility construction: 4/24--4/26/89 Client: J. R. Simplot Co. Drilled depth: 22 .5 feet Project No. : 3628-03-01 Hole Diameter: 12 inches Contractor: Spectrum Exploration Well Depth: 21 feet P P P Driller: Doug Shearer Well diameter: 4 inches Helper: Ted Coffee Casing type: Sch. 40 PVC John Sump flush threaded Equipment Screen type: Sch. 40 PVC drill rig: CME-55 flush threaded method: 10 inch hollow stem Screen length: 10 feet auger Screen slot: 0. 01 inch decon: steam Materials sampling: 3 foot interval Sand pack: Monterey #2/12 1 inch split spoon Grout: 5% bentonite/ decon: alconox wash: potable + cement distilled water rinse Elevation - feet (msl) Completion ground surf: type: flush casing top: 2 .80 lock: keyed Geologist: Jeffrey F. Herrick padlock I WELL I DEPTH I SL0W DESCRIPTION I COMMENTS ! I CONSTRUCTION I (feet) I COUNTS I OF LI7HOLOGY I I I---------------1--------I--------i--------------------------------------------------------------------I-----------------•--I i 1 -Ground I- 0 I I I 1 Surface I I I I I I I I -Top of l- 1 "I I I I 11 1 Casing 1 I I I I I I I >>> I 2 -I ! I I I I I >>> I I I I f { I I >>> 1- 3 -111-11 13-3.5' light tan fine SAND, some subangular medium gravels, dry, SP Ino odor 1 I I I >>> 1- -1-10 13.5-3.81 indurated dark brown to black fine SAND, slightly moist, SPlno odor I I I I >> I" 4 I 13.8.4.5' olive fine to medium SAND, firm, slightLy moist, SP Ino odor I I I 15% 1- I 1 1 I I I I bentonitel- 5 •1 1 1 1 I l l /cement I- 'I I I 1 I I I grout I- 6 -15-7-8 lolive medium SAND, some Clay (variable), slightly moist, SC Ino odor I I I >>> I- I I I I 11 I >>> 1- 7 II I I >>> I I I >>> I 8 I I ! I I I I I >>> l I I I I I I I >>> I I I I I I