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r"WI Environmental Risk SerV Corporation <br /> Boring Log:MW-7 P, $TDate: 9/15/05 Logged by: Tyson Fulmer Well Specifications <br /> Location: Roberts No. 1, Roberts Island, Port of Stockton Elevation (feet msl; p,$) <br /> Drilling Co.: Major Drilling GS: -8.38, -8.58 TOC: -8.85, -8.79 <br /> Driller: Frank Bartolovich Depth to Water <br /> Drilling Method: 8" hollow stem auger Static: P: 4.35'; S: 4.33' <br /> Grout Materials and Method: Bentonite and Tremie grouted bentonite neat cement slurry Total Well Depth: P: 7.5'; S: 15' <br /> Well Sand Type: 2/12 Monterrey sand P: Lat.: 37.970339 Long.: -121.385644 <br /> Completion: Finished flush in traffic rated Christy box S: Lat.: 37.970341 Long.: -121.385675 <br /> Groundwater Sampling Method: No samples Screen Interval: P:2.5 - 7.5'; S: 10- 15' <br /> Soil Sampling Method: 2'split spoon (P= push) PVC: SCH 40, 2"D, 0.010" slot <br /> N � <br /> 'o N CO n m Well Well <br /> ] n U o co-j Detail Detail <br /> o 0,5 i m D 0 Material Description MW-7P MW-7S Remarks <br /> Fill Roadway and fill material <br /> 1 <br /> 2 <br /> Dark brown/black (2.5 Y 4/2), moist, plastic silty clay, <br /> 3 mixed with peat, damp <br /> 4 <br /> PT 5- <br /> 6- <br /> 7— <br /> 6 7 1 Dark grayish brown (10 YR 4/2), silty clay, damp, <br /> medium plasticity <br /> 8 9—CIL <br /> 10- <br /> 8 <br /> 11 9 <br /> 13 Dry to damp, densely packed silty sand, gets drier at <br /> 12 22 bottom, dark greenish gray(1 Gley 4/1) <br /> 13 SM <br /> 14- <br /> 15— 4 <br /> 16 7 <br /> 9 <br /> 17 14 <br /> Total depth <br /> 18- <br /> 19— <br /> 20 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> 25 <br /> 26 <br /> 27 <br /> 28 <br /> 29 <br /> 30 <br />