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Project: ARCO Station #6020 Log of Monitoring Well: <br /> Location 1711 E Yosemite Avenue,Manteca,CA Pro LLt Number 38466092 MW-11 <br /> Dates Drilled 07/15/2003 Total Depth 35 feet Borehole Name <br /> g Contractor Woodward Drilling Well Construction Date 7/15/03 Logged By Jeff Brooks <br /> Borehole Diameter 8-mch Casing Diameter 2-inch Casing Type SCH 40 PVC Checked By Vernon Elarth <br /> Drilling Method Hollow Stem Auger Screen Interval 15 35 f LU Slot Size 0 020-inch [Sampling Method Split spoon <br /> Comments North of central portion of station building <br /> rn ti a, a U <br /> rn x p» F� C7 LITIIOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 0Flush mount traffic de vault 0 <br /> 0810 <br /> Asphalt and a cL UL.base box <br /> D irl,broth n dark grayish brown,80%fine to <br /> medium grained s ind 20%silt micaceous loose moist <br /> 2-inch SCH 40 PVC with <br /> Vacuum cleared to 5 feet bgs locking pressure cap to 15 bgs <br /> 5 5 � <br /> 11 00 oats <br /> Neat Cement from near surface <br /> to 11 bgs <br /> 1 Q Sand(SP) Yello x ish brown fine to medium gramed micaceous 10 <br /> 14 00 0820 mednun dense moist <br /> 10 13 Bentomte Seal <br /> 5 15 <br /> 20 00 0825 <br /> 20 Sandy Silt(ML) Gi i}ish bi own 85 90%silt,10 15%very fine 20 <br /> 27 00 0835 to fine grained sand micaceous stiff to very stiff moist <br /> 2 inch SCH 40 PVC <br /> 0 020 inch Slot Screen 15-35 <br /> #3 Filter Pack Sand 13 35 bgs i <br /> = Stauc Water-7115/03 0930 23 GO feet bgs <br /> 25 70110 00 0840 Q First Water 25 <br /> Silty Sand(SM) Brou n 05 75%fine to medium grained sand <br /> 25-35%silt into tCLous medium dense saturated <br /> 30 30 <br /> 27 00 0845 <br /> SO13 <br /> 00 1 09501 1 No Recovery Satururd 35 <br /> 35 <br /> 1 ' <br /> 7 C 2870 Gateway Oaks Dr Ste 304 <br /> Sacramento CA 95833 <br /> 1 91&679 2000 <br />