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ROUND ZERO <br />ANALYSIS, INC. <br />Log of Boring MW-13 <br />JM Equipment <br />1 245 West Charter Way <br />Stockton, CA <br />Project No.:5507 <br />Date :05/16/2014 <br />Drilling Method : Hollow Stem Auger <br />Driller : V&W Drilling <br />Logged By : Andrew Dom <br />ci) GRAPHIC -E- a ra. — Blow Count 0 <br />u) <br />D DESCRIPTION a <br />cT_ <br />LAB SAMPLE <br />0— <br />_ <br />_ <br />_ <br />- <br />- <br />- <br />- <br />1 <br />- <br />- <br />1 0 — <br />- <br />- <br />_ <br />_ <br />- <br />15— <br />- <br />_ <br />_ <br />_ <br />_ <br />, _ <br />_ <br />- <br />2 0 — <br />_ <br />- <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />- <br />25— <br />- <br />_ <br />: <br />I <br />, , <br />, <br />' 30— <br />0 <br />' ' '7..4X., Concrete Slab (approx 8" thick) <br />- ..• <br /> <br />. ... <br />:- <br /> <br />,. . <br />/ SILTY CLAY - D. brown, no sand, dry, mod. plastcity, 0 MW-13 @5' - 5.5' , ,-. <br />..- ':- <br />CL organics, no hydrocarbon odor TPH-G ND <br />Benzene ND <br />7/8/9 <br />, <br />. .. <br />. . <br />' ;!- . / SANDY CLAY - D. brown, <20% VF sand, dry, organics, 0 MW-13 @ 10' - 10.5' <br />7 ' 77' -14 CL / low plasticity, no hydrocarbon odor No Analysis 10/10/10 <br />2 Z <br />' 13 <br />15 / SANDY CLAY - D. brown, 20-30% F-M sand, well graded, 0 MW-13 @ 15'- 16.5' <br />CL // dry, no hydrocarbon odor <br />CLAYEY SAND - Gray, 50-60% VF sand, well graded, sub 8.9 MW-13 @20' -20.5' <br />SC /,,/ rounded ND rounded, mostly clay, wet slight hydrocarbon odor <br />Benzene ND <br />5/5/7 <br />— 25 <br />SC / /, CLAYEY SAND - Gray, 50-60% VF sand, well graded, 3.1 MW-13 @ 25' - 25.5' <br />SM \mostly clay some silt, moist, slight hydrocarbon odor / TPH-G ND 5/5/6 <br />\ SILTY SAND - Greenish gray, 70-80% F-C sand, mostly M, I <br />\well graded, wet, mod, hydrocarbon odor <br />Benzene ND