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1 II <br /> LOG OF EXPLORATORY BORING <br /> . PROJECT NUMBER 2520-100.01 BORING NO. RW-2 <br /> PROJECT NAME Federated; 14800 W. Frontage Road, Manteca PAGE 2 OF 3 <br /> BY D. Foley DATE 12/15/94 SURFACE ELEV. ft. <br /> PID <br /> N to LITHO- WELL-� I GRAPHIC DESCRIPTION DETAIL <br /> W <br /> �QW lam r- COLUMN <br /> (PPM) C J j Cc <br /> SAND(SP), continued <br /> 0.0 CLAY(C,), brown (10YR, 5/3); 100% low <br /> plasticity fines; trace fine sand; damp to moist; <br /> no hydrocarbon odor <br /> 25 <br /> • 2/15/94 <br /> 0.0 1 @-•29': as above; no hydrocarbon odor <br /> 30 <br /> 0.0 71 <br /> SZ <br /> • • SAND(SP), grayish brown (10YR, 5/2); trace fines; <br /> 2/15/94 . . . . 100% fine to medium sand; trace coarse sand; <br /> 35 subangular; wet; no hydrocarbon odor <br /> 0.0 . . <br /> 40 <br /> @ 39': as above; fine to coarse sand; no <br /> . . . hydrocarbon odor <br /> . REMARKS <br /> Boring drilled using 10-inch diameter continuous-flight,hollow-stem auger drilling equipment. Boring logged from <br /> auger returns. Boring converted to flinch diameter groundwater reinjection well.Reinjection system tied into well <br /> casing at approximately 30-inches below grade. See Well Details sheet for well construction information. <br /> E ON <br /> ASSOCIATES <br />