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roject: Former ARCO Station # 760 Log of Monitoring Well: <br /> ILLocaholn225 S Cherokee Ln,Lodz,CA Project Number 38466606 MW-5 <br /> y o <br /> 1 cl a <br /> F= LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 50 27 320 Petroluem odor and staining 50 <br /> 55 55 <br /> 60 27 Sitly Sand(SM) Light yellowish brown very fine to fine 60 <br /> grained 30 40%silt wet medium dense <br /> First groundwater encountered at 61 5'ft <br /> 65 65 <br /> J . <br /> 70 26 Sand(SP) Gray poorly graded very fine to medium grain 70 <br /> trace silt saturated medium dense <br /> 75 75 <br /> $0 26 Dark yellowish brown very fine to fine grain up to 15%silt 80 <br /> imcaceous <br /> 85 28 Very fine to coarse grain 85 <br /> 90 28 Silt(ML) Olive brown nonplastic upto 15%very fine grained 90 <br /> sand iron oxide staining imcaceous moist very stiff <br /> 95 27 93 97 ft Bentonite Plug <br /> 95 <br /> 100 30 100 <br /> 2 inch SCH 40 PVC 0020 <br /> inch slot screen 99-104 ft <br /> #3 filter pack sand 97 104 ft <br /> Silty Sand(SM) Dark yellowish brown very fine to medium Borehole colapse from 104 <br /> 2g grained 20-30%silt saturated medium dense 105 ft <br /> *5 105 <br /> UM9166792000 <br /> 2870 Gateway Oaks Dr Ste 300 <br /> Sacramento CA 95833 <br />