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Project: ARCO Station # 2186 Log of Monitoring Well: <br /> Location 3212 N California Street,Stockton,CA Project Number 38466463 BH-2/AW-1 <br /> > d <br /> o g oq <br /> L w ti _ a <br /> O. <br /> E C7 LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> = Static water level upon completion of drilling <br /> 45 20 226 Clayey Silt with Sand(ML) Olive brown 55%silt 25%clay Ora <br /> 20%very fine to fine grained sand iron oxide staining and caliche <br /> over 25%of sample very stiff moist <br /> Q <br /> First water <br /> 50 20 13 As above except olive gray 25%clay 20%very fine to fine rJQ <br /> grained sand no Iron oxide staining or caliche sdiurated <br /> 55 25 5 2 Silty Sand(SM) Olive brown 60-70%very fine to fine grained 55 <br /> sand 30 40%silt medium dense saturated <br /> 55 S9 Bentonite transition <br /> seal <br /> Silty Sand with Clay(SM) Olive brown 50%fine to medium <br /> 60 24 10 4 grained sand 30%silt 20%clay medium dense saturated QQ <br /> 59 5 to 64 5 2 inch SCH 40 <br /> PVC 0 020 inch Slot Screen <br /> #3 Filter Pack Sand 59 66 <br /> 65 32 53 Clayey Silt(ML) Olive brown 20%clay trace very fine to fine 65 <br /> grained sand hard moist <br /> i <br /> i 2870 Gateway Oakv Dr Stc 300 <br /> Sacramento CA 95833 <br /> 916-679 2000 <br />