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Boring Number, GP-2 _ HORIZON ENVIRONMENTAL INC. <br /> Job Number: 3001.12 .� <br /> Site Location: Discovery Chevrolet, Tracy, CA <br /> Drilling Company: V & W Drilling Drilling Method: Geoprobe <br /> Drilled By: Larry & Earrick Sampling Method: Barrel Sampler With Liners <br /> f rf' <br /> Date Drilled: 02/18/98 Total Depth:h: 20 Feet <br /> Lagged By: L. Smith Depth To Groundwater: 9.5 Feet <br /> m as c c <br /> C of a p�Y o 0 <br /> � V C O b.2 O <br /> a� Z U a Soil w a Well <br /> a o L % W o c Description N ` Construction Comments <br /> E m ° 0 or V)- o a <br /> Asphalt. <br /> 1 1 NSA Boring backfilled to surface <br /> grade with neat cement. <br /> 2- <br /> 3— <br /> 3 3 <br /> 4 4 <br /> SILTY CLAY, dark brown, moderate CL <br /> 5 yr 24 18 0 5 plasticity, moist. <br /> 6 6 <br /> 7 7 <br /> a a <br /> 9 9 <br /> a <br /> 10 I 24 17 0 10 wet. <br /> 11 11 <br /> 12— 12 <br /> 13- 13 <br /> 14 14 <br /> j 24 16 0 CLAYEY SAND. very rine—grained, tan, SC <br /> 15 of 15 moderate plasticity, wet. <br /> 16 16 <br /> 17 17 <br /> 18 1B <br /> 19 19 <br /> 0 <br /> yzo 24 18 o 20 <br /> Total depth v 20 feet bgs. <br /> 21 21 <br /> 22 22- <br /> 23— 23- <br /> 24— 24- <br /> 25— 25- <br /> 26— 26- <br /> 27— 27- <br /> 28— 28- <br /> 29 29 <br /> 30 30 <br /> i <br /> Page 1 Of 1 <br />