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AUSTO ENGINEERING GROUP LOG OF BORING SB- 1 1 Page , of <br /> . LAFAYEr, CALIFORNIA <br /> ALISTO PROJECT NO: 10-211-15-01 DATE DRILLED: 06-28-02 <br /> CLIENT. PG&E BOREHOLE DIAMETER: 4" <br /> SEE SffE PLAN LOCATION:McDonald Island Gas Storage Facility BOREHOLEDEPTH: 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 /> WELL DIAL M S2 � GEOLOGIC DESCRFTION <br /> w J <br /> Gravel sourface <br /> SM <br /> c"o' <br /> Silty SAND, brown, damp. <br /> U 2 <br /> Y <br /> C <br /> 2.6 <br /> 4 <br /> 5- <br /> 17.2 = 6- <br /> 7- <br /> 4 <br /> 74 8 Color change to gray ® 8'. <br /> 0 <br /> 33.1 0 9 <br /> y o , Wet ® 9.5'. <br /> 10 <br /> — 11 <br /> 123 <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 /> 617181920 7� <br /> s <br />