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Environmental Risk Services Corporation <br /> Boring Log: MW-5D,P,S I Date: 9/15/05 Logged by: Tyson Fulmer <br /> Location: Roberts No. 1, Roberts Island, Port of Stockton <br /> rn <br /> o, c <br /> Well Well <br /> nom' 2 Q m m� Detail Detail <br /> p O g Of m Z) 0 Material Description MW-5P MW-5S Remarks <br /> P PT - Peat(continued) <br /> 31 P <br /> P Dark brown/black clay with organics. moist <br /> 32 P PT/ - <br /> CL - - <br /> 33 Driller felt change <br /> Solid gray clay, hard, damp to moist at 33'bgs <br /> 34 <br /> 35 P <br /> 36 P <br /> P <br /> 37 P <br /> 38- <br /> 39- <br /> 40- <br /> 83940 CI Driller feels no change in lithology <br /> 41- <br /> 42- <br /> 43- <br /> 44- <br /> 45- <br /> 4 <br /> 142434445 4 <br /> 46 6 <br /> 5 <br /> 47 6 Dark gray, fine to medium grained, silty sand <br /> i•' <br /> 48 SM r <br /> 49- <br /> 50- <br /> Total <br /> 9 50Total depth <br /> 51- <br /> 52- <br /> 53 <br /> 54 <br /> 55 <br /> 56 <br /> 57 <br /> 58 <br /> 59- <br /> 60- <br /> 61 <br /> 62 <br /> 63 <br /> 64 <br /> R5 <br />