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Boring Log <br /> SWTHr PROJECT No. 95-122-I-3 <br /> BORING No. S B 7 <br /> LCGGEU BY N. MADISON <br /> PROJECT NAME: CLOVER PROPERTY <br /> =i 50RING LOCATION: 7675 W. 11TH STREET, TRACY, CALIFORNIA SURFACE ELEV: <br /> DRILLER: VIRONEX: CHUCK DATE STARTED: 10/02/96 DATE FINISHED: 10/02/96 <br /> U] <br /> SAMPLE BLOW cn H <br /> is i v COUNT REC J - c7 WC Qu LUSOIL DESCRIPTION o <br /> CD u- <br /> e''! No.TYPE INTERVAL 0' 6' 12" J , a w <br /> w (in) v (/) (tsfl a AND REMARKS <br /> o FROM TO 6' 12" IB' D <br /> 0.0 4.0 Concrete — 2 inches <br /> SILTY CLAY, 100% fines, dark <br /> yellowish brown (10YR4/2), moist. <br /> 5 1 5.0 6.0 CL Color change to olive gray (5Y4/1), <br /> gasoline odor at 6 feet. <br /> Moist at 6 feet. OVM=23.1 ppm <br /> �/z <br /> 2 9.0 11.0 <br /> 10 3 <br /> Mottled blue gray, moist to very moist, <br /> gasoline odor at 9.5-11 feet. <br /> 13.0 15.0 SC CLAYEY SAND, 80% fine sand and 20% <br /> fines, light olive brown (5Y5/6), wet, <br /> 15 15 poorly graded. <br /> Bottom of Boring at 15 feet. <br /> _ GROUNDWATER PARAMETER <br /> c� MEASUREMENTS; <br /> Temp ' C: 22.9 pH: 7.77 EC: 1,580 <br /> 20 Redox: -213,6 (adjusted to <br /> ' temperature) <br /> Notes: <br /> i; 1. No vapor sample was obtained due <br /> 25 to the tightness of the soil. <br /> 2. Sample Numbers identified as: <br /> I - S87-5.5 <br /> 2 - S87-10.5 <br /> 3 - SH7-GW <br /> 30- <br /> 35 <br /> 40 <br /> r 1 Page 1 of I <br />