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SOIL BORING LOG Boring No.MW-17 Sheet: I of 1 <br /> Client Fomw POsed"Gas mwwashNo.OM Date May 18,2007 <br /> Address 2705 country Club Boulevard Drilling Co. Resonant Sonic,Inc rig type:Limited Access Combo Rig <br /> Stockton,CA Driller Jose Velasco <br /> Project No. 2007-0835-01 Method Dual Tube-Geoprobe/HSA Hole Diameter:8 Inches <br /> Logged By: Collin Fischer Sampler. Geoprobe <br /> Well Pack sand: 20 ft. to 2 ft. Well Construction Casing Material: Schedule 40 PVC Screen Interval:4 ft. to 19 ft. <br /> bent.: 2 ft.to.5 ft. Casina Diameter:2 in. Screen Slot Size:0.020-in. <br /> jgrout: .5 ft. To Oft. Depth to GW: VfIrst encountered -14 feet bas static <br /> sample slow Samos all Depth LMWkVk PID <br /> Tyv� No. lCount Thm Iracov. 0;;;� Scale Column Descriptions of Materials and Conditions (PPM) <br /> A Installed in sidewalk south of dispenser Wands.Boring cleared to 5 feet bgs <br /> with air knife.Soil encountereddudeclearance was mostly clay with some <br /> Air silt and sand. <br /> 2 Knife <br /> Fill <br /> ----------------- 3 ---------- <br /> 4 <br /> 5 <br /> S MW-17 WA 0833 <br /> 7.5-8' = 7 <br /> dark_yellowlsh.bmmTJIOYt! I Mo5Aoft.dense, 0 <br /> CL 80%clay 20%silt <br /> 10 <br /> Silt with Sand,ML,dark yellowish brown(1 OYR 314),moist,soft, 0 <br /> S MW-17 N/A 0838 1 DO% i s = 11 medium dense,86%silt 10%sand 5%clay <br /> M L <br /> 13 Clave ria,ML,dark ellowlsh brown(10YR 4/4),wet(bottom 2 feet,soft, a <br /> medium dense,800A sift 20%clay <br /> 14 <br /> S MW-17 WA 0841 100% 15 <br /> 15.5-18' ------ = Silly Sand,SM,dark yellowish brown(I OYR 3/4),wet,soft,medium dense. <br /> 16 SM 70%sand 30%silt <br /> 17 <br /> -----•----—____ _-._. .._. ...._.__ --- --— <br /> = S <br /> -------- <br /> S P Poorly Graded Sand,SP,dark olive gray(5Y 3)2),wet,soft,loose, 0 <br /> 8 MW-17 NIA 19 95%sand 5%silt <br /> MW-17 <br /> --------•-- <br /> 0"" 00% 120 Boring terminated at 20 feet bgs, <br /> Recovery Comments:Sampled using a continuous core geoprobe In four foot <br /> sections starting at 4'below ground surface to a total depth of 20'below <br /> ground surface. <br /> Sample <br /> ENVIRONMENTAL,INC.- <br /> Baring log MW-17 051807 <br />