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Ak <br /> PROJECT: SURLAND HOMES PROPE. <br /> Tracy, California Log of Well No. TW-2 <br /> BORING LOCATION: Lot 25,2532 Dorset Lane ELEVATION AND DATUM: <br /> DRILLING CONTRACTOR: Gregg Drilling and Testing, Inc. DATE STARTED: DATE FINISHED: <br /> 9/10/98 9/10/98 <br /> DRILLING METHOD: 8-inch hallow stem auger TOTAL DEPTH: SCREEN INTERVAL: <br /> 14.0 feet b s4.0 14.0 feet b s <br /> DRILLING EQUIPMENT: Rhino Rig M5T DEPTH TO FIRST COMPL. CASING: <br /> WATER: ; --- --- 2-inch Sch.40 PVC <br /> ' SAMPLING METHOD: 18-inch split spoon sample LOGGED BY: <br /> M.R. Keim <br /> HAMMER WEIGHT: --- DROP: -- RESPONSIBLE PROFESSIONAL: , REG.NO. <br /> D.Zemo CEG 1747 <br /> _ SAMPLES a DESCRIPTION <br /> NAME(uSCS Symboi):color,moist,%by weight.,Plast.. WELL CONSTRUCTION DETAILS <br /> WE d E cI. _°o 9 consistency,structure,cementation,react w/Ha.geo.inter. AND/OR DRILLING REMARKS <br /> to 0 <br /> Surface Elevation: <br /> LEAN CLAY (CL) Stovepipe with 6-inch <br /> Light olive brown (2.5Y 5/3), moist, 90%fines, stick-up <br /> 1 10%fine sand, medium plasticity, firm Locking well cap <br /> 8-inch-diameter <br /> 2 d borehole <br /> 2-inch-diameter <br /> m Sch.40 PVC <br /> blank casing <br /> 3 x <br /> Concrete <br /> 4 Baroid 3/8-inch <br /> bentonite chips <br /> Color change to dark greenish gray(5GY 4/1), <br /> 5 odor Lonestar 1/20 <br /> sand filter pack 6-2-inch-diameter <br /> Sch.40 PVC <br /> well screen with <br /> 7 0.010-inch slot size <br /> 8- <br /> 9- <br /> 10 910 <br /> SANDY LEAN CLAY(CL) <br /> Dark greenish gray (5GY 4/1), wet, 60%fines, <br /> 11 40%fine sand, low plasticity, firm <br /> 12- <br /> POORLY-GRADED SAND with GRAVEL (SP) <br /> Light olive brown (2.5Y 5/3), wet, 65%fine to <br /> 13 coarse sand, 30%fine gravels, 5% plastic fines <br /> Threaded PVC <br /> 14 endcap <br /> ' Bottom of boring at 14.0 feet bgs. <br /> 15 <br /> w-t(tzgs9 <br /> Project No. 4780 Geomatrix Consultants Figure --- <br /> s1479ovogffW_oz.ai <br />