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(4) AUSTO ENGINEERING GROUP Page 1 of 1 <br /> LAFAYET, CALIFORNIA LOG OF BORING SB- 13 <br /> ALISTO PROJECT NO: 10-211-15-01 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 DL40MI $ 52 GEOLOGIC DESCRFT10N <br /> Gravel sourface <br /> c 1 <br /> SM Silty SAND with some gravel <br /> U <br /> 2- <br /> 4- <br /> 5- <br /> 32,0 <br /> 4532,0 = 6- <br /> 7- <br /> 8 78 <br /> 21 <br /> 0 9 <br /> Wet 0 approximately 9'. <br /> 0 <br /> 10- <br /> 12- <br /> 13- <br /> 14- <br /> 0121314 <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 /> sR <br />