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ROY F. WESTON INC. <br /> WELL LOG <br /> Fes' <br /> Well No. : MW-2 Dates of <br /> Location: Human Services Site construction: 12/13-12/14/88 <br /> Client: San Joaquin County Drilled depth: 45.5 feet <br /> Project No. : 3733-03•-01 Hole Diameter: 12 inches <br /> [,. Contractor: Spectrum Exploration Well Depth: 45.5 feet <br /> Driller: Jerry Casey Well diameter: 4 inches <br /> Heliar: Mal Dunham Casing type: Sch. 40 PVC <br /> flush threaded <br /> W' Equipment Screen type: Sch. 40 PVC <br /> �.; drill rig: Acher-AD2 flush threaded <br /> method: 10 inch hollow Screen length: 15 feet <br /> �.. stem auger Screen slot: .010 inch <br /> decon: steam <br /> Materials <br /> sampling: 2 inch California Sand pack: Monterey #2-16 <br /> modified split spoon Grout: 5% bentonite/ <br /> decon: steam cement r <br /> Elevation - feet (msl) Completion <br /> ground surf: approx. 100.0 type: <br /> casing top: 103.35 <br /> loo foot arbitrary BM used lock: <br /> Geologist: J. F. Herrick <br /> f� <br /> ! COMMENTS 1 <br /> Ix..,. <br /> I <br /> WELL I DEPTH I BLOW I DESCRIPTION I <br /> CONSTRUCTION [ (feet) I COUNTS ! OF LlTHOLOGY <br /> _...-.....-_i....................I <br /> r� 1...............I...----.I........I.......__.------ [ <br /> I I I I -Tap of <br /> Lw I I I Casing { [ I I <br /> I [ <br /> -Ground <br /> I l I surface I' <br /> 1 I I »> [ 1 - <br /> 1I I »> <br /> »> [ z [ I I <br /> ! I I »> ! 3 I I <br /> ! <br /> 5% I 4 I [ <br /> W I I I bentonitel- I <br /> I I I cement I 5 -15-8-9 [Fill. red brawn CLAY, abundant Silt, some coarse sand, trace IHNu: 0 ppm l <br /> !'3 grout ( -1 [broken brick, porcelain, and wood, slightly Hoist Ino odor I <br /> »> [ 6 •1 ICL I l <br /> E I E »> ! I 1 I I <br /> I I I »> [ [ l I I <br /> I I.. <br /> 1 I I »> I- •1 <br /> I k I ! I— . • ! <br /> ! <br />