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LOG OF EXPLORATORY BORING <br /> . PROJECT NUMBER 2520-100.01 BORING NO. RW-1 <br /> PROJECT NAME Federated; 14800 W. Frontage Road, Manteca PAGE 1 OF 3 <br /> BY D.Foley DATE 12/15/94 SURFACE ELEV. ft. <br /> PID to LITHO- WELL <br /> F GRAPHIC DESCRIPTION DETAIL <br /> ¢w ti Q COLUMN <br /> (PPM) � N <br /> 0.0 `y SAND (SP), brown to dark brown(10YR,4/3); 5% t <br /> fines; 95% fine sand; damp to moist; no <br /> • . hydrocarbon odor <br /> 0.0 5 � . . @- 5'. as above <br /> 0.0 10 �, <br /> @—•10': as above <br /> @--1 V: thin interval of SILTY SAND (SM) <br /> 0.0 `"` CLAY(CL),brown (10YR, 513); 100% low <br /> plasticity fines; trace fine sand; damp to moist; <br /> no hydrocarbon odor <br /> 15 SAND(SP), brown to dark brown (10YR,413); 10% <br /> fines; 90% fine sand; damp to moist; no <br /> hydrocarbon odor <br /> . . . . CLAY(CL), brown to dark brown(10YR, 413); <br /> 0.0 `+,_ 100% low plasticity fines; trace fine sand; damp <br /> �j to moist; no hydrocarbon odor <br /> SAND (SP), brown to dark brown (10YR,5/3); 10% <br /> . . : fines; 90% fine sand; damp to moist; no <br /> hydrocarbon odor <br /> 20- <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 />