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LOG OF EXPLORATORY BORING <br /> • PROJECT NUMBER 2520-100.01 BORING NO. RW-2 <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 N CO) LITHO- WELT, <br /> iJJ J GRAPHIC DESCRIPTION DETAIL <br /> MC73ai � q COLUMN <br /> (ppm) J ..� f11 <br /> 0.0 • • SAND(SP), brown to dark brown (10YR, 4/3); 5% <br /> fines; 95% fine sand; damp to moist; no f <br /> . . hydrocarbon odor <br /> 0.0 5 ;a; <br /> . @ -5': dark brown(10YR, 3/3); 10% fines; 90% <br /> fine sand; trace medium sand; damp to moist; no <br /> hydrocarbon odor <br /> • : : : @--8': thin interval of SILTY SAND (SM) <br /> 0.0 : : @•-8.5': brown (10YR, 5/3); 5% fines; 95% fine <br /> sand; trace medium sand; damp to moist <br /> 10 <br /> 0.0 CLAY(CL), brown to dark brown (10YR, 4/3); <br /> 100% low plasticity fines; trace fine sand; damp <br /> 15 : to moist; no hydrocarbon odor <br /> SAND(SP), brown (10YR, 5/3); 5% fines; 95% fine <br /> sand; damp to moist; no hydrocarbon odor <br /> 0.0 1 CLAY(CL), brown (10YR, 5/3); 100% low <br /> plasticity fines; trace fine sand; damp to moist; <br /> no hydrocarbon odor <br /> • • • • SAND(SP), brown (10YR, 5/3); 5% fines; 95% fine <br /> . . . . sand; damp to moist; no 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 /> E ON casing at approximately 30-iache4 below grade. See Well Details sheet for well construction information. <br /> _ <br /> ASSOCIATES <br />