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AUSTO ENGINEERING GROUP LOG OF BORING SB- 12 Page , of , <br /> /-` WAYEr, CAUFORNIA <br /> ALISTO PROJECT NO: 10-211-15 DATE DRILLED: 06-28-02 <br /> CLIENT: PG&E BOREHOLE DIAMETER: 4" <br /> SEE SITE PLAN LOCATION:McDonald Island Gas Storage Facility BOREHOLE DEPTH: 14' <br /> FOR BORING LOCATION DRILLING METHOD: Hand auger CASING DIAMETER: 3/4" <br /> DRILLING COMPANY: Alisto Engineering CASING MATERIAL: PVC <br /> LOGGED BY: D. Birch APROVED BY: Al Sevilla <br /> i <br /> WELL DWGRAM �� � S� � GEOLOGIC DFSCRFTION <br /> a, 1 SM Silty SAND, brown, damp. <br /> U 2 <br /> Y <br /> C <br /> 1.0 o�p 3— Silty CLAY (6") at 3' <br /> 4 <br /> 5- <br /> 6- <br /> 7- <br /> 8- <br /> 0.0 <br /> 6 780.0 = 0 9 , <br /> o Color change to gray <br /> 10- <br /> 12- <br /> 13- <br /> 01213 <br /> = 14 - - - - - - - - - - - - - - - - - - - <br /> Boring terminated at 14'. PVC casing removed before grouting <br /> 15 with neat cement <br /> 16- <br /> 17 <br /> 18- <br /> 19- <br /> 20— <br /> g <br />