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CL <br />CL <br />CL <br />CLAY - Greenish brown, no sand/silt, wet, low plasticity, strong <br />odor <br />SW <br />SILTY SAND - Brown, 35-40% F sands, verry little clay, wet, no <br />plasticity, mild odor <br />Excavation Backfill <br />SILTY CLAY- Brown, <10% VF-F sands, dry, v. low plasticity, <br />mild odor <br />CL <br />SILTY CLAY - Spotted black and green, <10% VF-F sands, dry, <br />low plasticity, strong odor <br />CL /, CLAY - Brown, no sand/silt, slightly moist, moderate plasticity, no <br />\odor (in shoe of 21.5' to 23 sampler) <br />Ground Zero Analysis, Inc. <br />1172 Kansas Avenue <br />Modesto, CA <br />Figure 4: Log of Boring AS-5 <br />George's Service <br />1600W. Durham Ferry Road <br />Tracy, CA <br />Project No.: 425.2 <br />Date <br />Drilling Method <br />Driller <br />Logged By <br />:6/21/2013 <br />: Hollow Stem Auger <br />: V&W Drilling <br />: Andrew Dorn <br />DESCRIPTION <br />0 <br />0 <br />SILTY CLAY - Spotted black and green, <20% VF-F sands, moist, <br />low plasticity, strong odor <br />5-6-9 2.7 <br />7-9-13 <br />1384 10-13-13 <br />464 <br />6-7-9 <br />566 3-4-5 <br />841 <br />5-5-6 <br />1410 4-4-5 <br />940 <br />7-8-8 <br />9-19-24 71 6 <br />765 <br />8-16-22 <br />46.9 <br />7-11-13 <br />1.9 07-24-2013 K:\Jobs\F to J Jobs \Georges 425 \ Georges 4252 \Graphics\borelogslAS-5.bor 25— <br />0 <br />5 — LAB SAMPLE SILTY CLAY - Spotted black and green, <20% VF-F sands, wet, <br />low plasticity, strong odor 1 5 <br />SANDY SILT - Brown, 25-30% F sands, some clay, wet, no <br />plasticity, moderate odor <br />^ <br />AS-5 @ 5' <br />0.28 TPH-G <br />0.002 Benzene <br />AS-5 @ 10.5' <br />22,000 TPH-G <br />180 Benzene <br />AS-5 @ 15' <br />12.000 TPH-G <br />68 Benzene <br />1 0 — <br />ML 20— <br />4