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SOIL BORING LOG Boring No. IW-3 Sheet: 2 of 3 Client Knowles Property Date April 11,2012 Address 7835 Thornton Rd. Drilling Cc All Well Abandonment Rig Type. LAR Stockton,CA Driller Rob Project No 2129-1140-01 Method Hollow-Stem Auger Hole Diameter 8 inches Logged By Shane Edmunds Sampler 18"long x 2"diameter split spoon Depth to GW _first encountered: 40 feet bgs -Static: feet bgs Sample Blow Sam ie DepthLithologic PID T e No. Count Time Recov. Well Details Scale Column Descriptions of Materials and Conditions PPM 18 A e SP Poorly graded sand, 100%fine-medium sand 0 S IW_3.21 _24-----------------0936 70% 21 MJ_ Sandy silt,70%silt,30%fine sand,dry 27 ----------------------------------------------------------–---------------------------------------------------------- —22 23 24 25 23 CL ilty clay with sand,50%clay,35%silt,15%fine sand,moist,light olive brown 2.5Y 2.8 27 26 5/4 – -- - – – — – – --- — —---- –– 5 IW-3-26 29 0941 100% --------- —27 28 29 30 SM Silty-sand,-80%fine sand,20%fines,wet --------------------- ------------- - ------------------------– 29 31 ----------------- ----------------- - -- -------------------------------------------------------------------------------------------------------- ------ S IW-3-31 33 0945 100% M L Clayey silt with sand,60%silt,30%clay, 10%fine sand,moist,light yellowish brown --------------------------------------- 32 .2-.5Y-6/3 33 ---------------- ------------------------ — ------------------------------------------------------------------------------------------------------------------- 35 ----------'--------_'-'-_"--- 27 CL 3 36 -- -----'--------------_---_------------'--------caliche,------light-----olive-------b---rown---------2.SY-513-----------------------–---2---8-- Silty clay,7D%clay,30%silt,moist, . – – – – 3 - -- TF6;i. --- – – – – -- – – S IW-3- 36 40 0951 100% - – – – — —37 – - –-- ---–– 3B 39 40 Comments: Recovery Sample ENVIRONMENTAL,INC.