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Ground Zero Analysis, Inc. <br />1172 Kansas Avenue <br />Modesto, CA <br />• Figure 5: Log of Boring AS-6 <br />George's Service <br />1600W. Durham Ferry Road <br />Tracy, CA <br />Project No.: 425.2 <br />Date : 6/21/2013 <br />Drilling Method : Hollow Stem Auger <br />Driller : V&W Drilling <br />Logged By : Andrew Dorn <br />co GRAPHIC 1 E a a BLOW COUNT LAB SAMPLE 0 (0 n DESCRIPTION 0 <br />Er_ <br />00 <br />CL <br />1 <br />/ <br />SILTY CLAY - Dark brown, <10% VF-F sands, dry, low plasticity, <br />no odor <br /> _ <br /> <br />-• • <br /> <br />.. • • <br />. . :. <br />... <br />. <br />..' <br />- <br />- <br />- <br />- <br />H <br />- <br />- <br />5 <br />CL / SANDY CLAY - Dark brown, 20-30% F sands, dry, no plasticity, <br />no odor - 8-11.12 AS-6 @ 5' <br />. <br />.. <br />- <br />- <br />- <br />— <br />CL / <br />SILTY CLAY - Dark brown, <10% VF-F sands, dry, v. low • <br />plasticity, no odor <br /> — 9-11-12 <br />0.24 TPH-G <br />ND Benzene <br />• ; <br />- <br />-I <br />- <br />10— <br />_ <br />- <br />- <br />- <br />, <br />- <br />15— <br />H <br />- <br />- <br />— <br />- <br />- , 20— <br />-,, <br />— <br />25— <br />//SILTY CLAY - Dark brown, <10% VF-F sands, dry, v. low • <br />// plast icity, strong odor 0 <br />6-6-7 <br />IA AS-6 @105 <br />.,5-6-7 0.83 TPH-G <br />0.0025 Benzene <br />7-7-10 <br />1 > 71-1, <br />CL / 135 / / <br />/- <br />28 AS-6 @ 14 / / < 14 <br />/ > <br />120 TPH-G <br />4.7 Benzene _ <br />.-,. <br /> 15 <br />CLAY - spotted greenish gray and brown, no sand/silt, v. moist, <br />low plasticity, moderate odor <br />_ <br />28.8 12-19-24 <br />CL <br />20.7 <br />9-14-20 <br />SANDY SILT - Brown, <25% VF-F sands, some clay, no plasticity, <br />wet, slight odor 1.5 10-15-22 20 <br />ML <br />21 <br /> - 7-12-14 <br />- <br />SW <br />SILTY SAND - Brown, 35-40% F sands, very little clay, wet, slight <br />odor <br />0.8 <br />- - <br />A