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Project: ARCO Station # 4493 Log of Monitoring Well: <br /> Location 205 N Center Street,Stockton,CA Prosect Number 38466609 MW-12D <br /> q I <br /> OS <br /> 9 9 v E <br /> 79 <br /> a ami CL U <br /> e � � <br /> LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> VA <br /> VA <br /> 50 VA <br /> 50 <br /> Silty Sand(SM) Dark bluish gray 75 90%very fine to fine <br /> grained sand very dense saturated <br /> 55 72 02 55 <br /> Silty Clay(CL) Dark bluish gray low plasticity 20 30%silt, <br /> trace fine grained sand hard damp <br /> 50 50 03 60 <br /> 72 0 Silty Sand(SM) Dark bluish gray 50 60%very fine to fine <br /> grained sand 40 50%silt very dense saturated <br /> 80 0 Silty Clay(CL) Dark gray non-plastic 50-60%clay 40 50% <br /> 65 silt very stiff to bard moist to wet 65 <br /> 67/10 0 Sandy Silt(ML) Dark gray 5-25%very fine to fine grained <br /> sand very dense to hard moist to wet <br /> 80110 0 <br /> Trace Clay <br /> 70 65 0 Silty Sand(SM) Dark gray 65-85%very fine to fine grained 70 73 feet Bentomte Plug 70 <br /> sand 15-35%silt micaceous very dense saturated <br /> 50 0 <br /> 113 Filter Pack Sand 73 0 810 <br /> feet <br /> 75 50 0 75 <br /> 2-inch SCH 40 PVC 0 020 <br /> Sand(SP) Dark gray poorly graded fine to medium grained inch Slot Screen 75 5-80 5 <br /> 45 0 micaceous dense saturated feet <br /> 48 0 d a Sand(SW) Dark gray well graded fine to coarse grained <br /> micaceous dense saturated <br /> 80-- <br /> 50 o d a 80 <br /> • <br /> UM2870 Gateway Oaks Dr Ste 300 <br /> Sacs muco CA 95833 <br /> 916-6792000 <br />