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n <br /> Environmental Risk Servi Corporation <br /> Boring Log: MW-14D Date: 12/30/05 Logged by: Tyson Fulmer Well Specifications <br /> Location: Roberts No. 1, Roberts Island, Port of Stockton Elevation (feet msl) <br /> Drilling Co.: Environmental Risk Services Inc GS: 1.00 TOC: 5.71 <br /> Driller: Tyson Fulmer Depth to Water(feet msl) <br /> Drilling Method: 3.25"extendable hand auger Static: 8.41 <br /> Grout Materials and Method: None Total Well Depth: 10.44' <br /> Well Sand Type: 2/12 Monterrey sand Lat.: 37.972508 1Long.: -121.38074 <br /> Completion: Finished above ground PVC stovepipe, +4.71 feet PVC Diameter: 1" SCH 40' <br /> Groundwater Sampling Method: Grab with disposable bailer Screen Interval: 5- 10' <br /> Soil Sampling Method: none Screen Slot Size: 0.010" <br /> c Well <br /> m <br /> ani m Detail <br /> N > N N L O) <br /> E <br /> -8A 0 ; m V no VV-1 4D <br /> N � d N O (n J <br /> o 0,5 Of m =1 0 Material Description Remarks <br /> 2.5y 5/4 dark greyish brown sandy clay (appears to be <br /> 1 pushed from bottom of placement pit) Back fill above sand with <br /> surrounding surface clay <br /> 2- <br /> 10 YR 5/6 yellowish brown,well sorted, fine-medium <br /> 3 grained loose sand, damp to moist <br /> 4- <br /> 5— Sp <br /> 6- <br /> 7- <br /> 8- <br /> 9— <br /> OH 789OH <br /> 10— <br /> C L <br /> 0CL 2.5y 3/2 greyish brown clay, some sand, soft wet <br /> 11 _ <br /> 10yr 2/1 black soft peat wet <br /> 12 <br /> Total depth <br /> 13- <br /> 14- <br /> 15- <br /> 16- <br /> 17- <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 />