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501LBORING LOG Boring No. IW4 Sheet: 2 of 3 <br /> Client Knowles Property Date April 10,2012 <br /> Address 7835 Thornton Rd Drilling Co All Well Abandonment Rig Type: LAR _ <br /> Stockton,CA Driller Rob _ <br /> Project No. 2129-1140-01 Method Hollow-Stem Auger Hole Diameter: 8 inches <br /> Logged By Shane Edmunds Sampler: 18"long x 2"diameter split spoon <br /> Depth to GW O first encountered: 40 feet bgs .Static feet bgs <br /> Sample glow Sam le Depth Lithologic PID <br /> Typel No. count Time Recov. Well Details Scale Column Descriptions of Materials and Conditions PPM <br /> 18 A B ML Clayey silt,80%silt,20%clay,moist,brown 7.5YR 4/4 10.2 <br /> S IW-4-20 21 1225-50%. 21 <br /> 25 <br /> -- -- —— - — — - —22 — — — — — — -- — <br /> 23 <br /> 24 <br /> 25 <br /> — ---- —7 — 10 E6-y-------------------'--•------------ --------- — -- — <br /> 27 10% SC Clayey sand,70%fine sand,30%clay,moist,olive brown 2.SY 4—/-3- <br /> 26 <br /> /3 6.5 <br /> 29 26 <br /> 31 T <br /> 27 <br /> 28 <br /> 29 <br /> 30 <br /> ------------- --------------- ------------------------------------------------------------------------------------------------------- <br /> 15 SP Poorly graded sand, 100%fine-medium sand,moist,no fines 6.5 <br /> -----21 -- — 31 <br /> S IW 4 31 24 1238 100% <br /> CL — - — — — ---s----and- mois------t-------- <br /> ---------------------------- <br /> Silty clay with sand,50%clay,30%silt,20%fine , <br /> — --- - -- _32 — <br /> 33 <br /> 34 <br /> 35 <br /> 21 Silty clay,60%clay,40%silt,moi.M,cemented,cafiche 0 <br /> 29 36 <br /> -------------------------------------------------------------------------------------------- <br /> S IW-0-36 36 1248 100% • <br /> — ---- 37 <br /> —38 <br /> 39 <br /> 40 <br /> Comments; <br /> Recovery <br /> Sample <br /> ST�r�Tl�s <br /> ENVIRONMENTAL, INC. <br />