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Project: ARCO Station # 548 Log of Monitoring Well:
<br /> Location: 1612 W.Hamer Ln.,Stockton,CA Project Number: 38466402 MW-8
<br /> A
<br /> U�58
<br /> j R ce A E
<br /> LITHOLOGY DESCRIPTION WELL CONSTRUCTION
<br /> 55-- 30 Sandy Clayey Silt(ML). Gray green,slightly plastic,20%fine 55
<br /> grained sand,20%clay,petroleum odor,Saturated,stiff.
<br /> 60 X 2960
<br /> Sand intervals,stiff.
<br /> 65 65
<br /> No recovery
<br /> Sandy Clayey Silt(ML). Gray green,slightly plastic,20%fine
<br /> grained sand,20%clay,petroleum odor,saturated.
<br /> 70 Silty Clay(CL). Gray Green,trace sand,slight petroleum 70
<br /> staining and odor.
<br /> Silt(ML). Dark yellowish brown,trace sand
<br /> Silty Sand(SM). Greyish brown,very fine to medium grained,
<br /> 75 2D%silt. 75
<br /> Clayey Silt(ML),Dark yellowish brown,low plasticity,30-40%
<br /> clay,trace fine grained sand,moist,no petroleum odor.
<br /> 80 80
<br /> No recovery
<br /> Clayey Silt(ML). Olive brown,low plasticity,40%clay,trace
<br /> 85 fine grained sand,moist. 85
<br /> 30-40%clay,]0-20%fine grained sand,wet,slight petroleum
<br /> Silty Sand(SM). very fine to fine grained,30-40%silt.
<br /> Clayey Silt(ML). Olive brown,low plasticity,40%clay,trace 88.5-92.5 ft.Bentonite Plug
<br /> 90 fine grained sand,moist. 90
<br /> Silty Sand(SM). Light olive grey,very fine to medium grained,
<br /> 30%silt,slight petroleum odor,saturated. 2-inch SCH 40 PVC,0.020-
<br /> Clayey Sandy Silt(ML). Light olive brown,20%clay,20%fine inch slot screen 95-100 ft.
<br /> 95 gained sand,iron oxide straining,petroleum odor, filt#3 er pack sand 92.5-100 ft. 95
<br /> No recovery.
<br /> Clayey Sand(SC). Very slight odor.
<br /> loo-- 100
<br /> 2870 Gateway Oaks Dr.,Sic 300
<br /> Sacramento,CA 95833
<br /> XMS916-679-20M
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