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SOIL BORING LOG BoringNo. IW-1 Sheet: 1 of 3 Client Knowles Property Date April 11-12,2012 _ Address 7835 Thornton Rd- Drilling Co All Well Abandonment _ Rig Type: LAR Stockton,CA Driller Rob Project No 2129-1140-01 Method Hollow-Stem Aucier _ Hole Diameter: 8 inches Logged By: Shane Edmunds Sampler. 18"long x 2"diameter split spoon Depth to GW first encountered: 41 feet bgs -Static: feet bos Sam le Sam le Blow Depth Llthologic T e No. Count Time Recov. Well Details Scale Column PID A 8 Descri tions of Materials and Conditions PPS _ Gravel at surface.First five feet hand cleared. -------------------------------------------------------------------------------------- ---------------—__-- —2 SP Poorly graded sand with gravel,80%fine-medium sand,20%gravel,moist, ------------------------------------------ gravel up to V diameter ------------`------------'---------- - ------- ------ --------------------------------------- 3 ----------- ------------------------ 4 ---------- — ---------- ------ -------- -8 ---------------------------------––-------------–---––––-----––----–--–-––--------–-----—------- -------- ------ -- ------- ------ ---------------------------------- 10 15 _____ ---------------------------------------------------------- CL Sandy clay,80%clay,20%fine sand,moist,dark brown 7 5Y 3%3 19 _ 11 S IW-1-11 21 1325 90% -- --- – - -------------------------s-- - ML Clayey silt,709'o silt,30%cla d cemented,dark yellowish brawn 10YR 3%4 – ------ Y, rY, --- ------------------- – – –– 13 ------ -------- 14 - -- ----------________ -----___ _—-- 15 — 18 – - – – — – -- ------------ SM Silty sand,85%fine-coarse sand,15%fines,rounded-angular ------ –�'--�---- 0-- 22 16 sand grains,moist S–--IW-1-1-----27– 1331 100% ------------------------------ -- – -- ------------- ------ 18 _ –-------- —19 ML Sandy Silt,75%silt,25%fine sand moist,light olive brown 2.5YR 513 20 Comments. Recovery Sample ENVIRONMENTAL- INC.