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<br /> Advanced BORING LOG
<br /> _ate-, GeoEnvironmental, Inc. BOREHOLE NO MW-9
<br /> -MJF 4005 North Wilson Way, Stockton, CA 95205
<br />' (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 401
<br /> Project Sierra Lumber-Manufacturers (Case#2) Drilling Co Cascade Drilling, Inc
<br />'
<br /> Site Location 375 West Hazelton Avenue Rig/Auger Type CME-75HT
<br /> Stockton, California Logged By ro'l Chapman
<br />' Project No AGE-NC-04-1239 Reviewed By Bill LittleDate(s) Drilled 29 March 2005
<br /> Notes a Water level during drilling Page 1 of 1
<br />' = Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br />' ID 1 ft (ppm) Symbol Sod Description Completion Description
<br />' 0
<br />' —5 MW9-5 4!4/7 1 6 CL Orange brown,SILTY CLAY,moist,high
<br /> plasticity high consistency,low toughness,very
<br /> Might hydrocarbon(HC)odor
<br /> — — Neat cement from 0 5'to
<br /> -10--
<br /> 1 p MW9-10 519112 14 SANDY SILT Orange,SANDY SILT,moist,well16'bsg
<br /> graded,fine to coarse-grained,very slight HC odor
<br /> —15 MW9-15 11/14/19 1 7CL Light brown,SILTY CLAY,moist,moderate
<br /> plasticity,high consistency,high toughness,slight
<br /> 6\' HC odor Bentonite chip seal from
<br /> 16'to 18'bsg
<br /> S
<br /> —
<br /> 20— MW9-20 13/13/17 12 CL Light brown,SILTY CLAY,moist,moderate
<br /> plasticity,high consistency,moderate toughness,
<br /> some HC staining,HC odor
<br /> --
<br /> —25 MW9-25 l 1/15/20 $0 SM Gray,SILTY SAND,saturated,poorly graded, 2"Diameter,Schedule
<br /> fine-grained,very strong HC odor 40 PVC with 0 020"
<br /> — — slotted screen
<br /> —30 MW9-30 21/25/27 301 — — SANDY SILT Gray,SANDY SILT,saturated,poorly
<br /> graded,fine grained,very strong HC odor 43 Lonestar sand filter
<br /> pack from 18'to 40'bsg
<br /> I
<br /> —35 MW9 35 13/14/18 403 --= SM Gray SILTY SAND,saturated,poorly graded,
<br /> = fine-grained,very strong HC odor
<br /> I —4 0 MW9-40 14/18/20 406 SP Gray,SAND,saturated,poorly graded,fine-to Cap at 40'bsg
<br /> medium grained,very strong HC odor
<br /> -45
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