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AUSTO ENGINEERING GROUP LOG OF BORING SB- 1 1 Page , of I <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 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 DyyCM �� � � � GEOLOGIC DESCRVION <br /> Gravel sourface <br /> C <br /> z1 <br /> V) SM Silty SAND, brown, damp. <br /> U 2 <br /> c <br /> 2.6 <br /> 4 <br /> 5- <br /> 17.2 = 6- <br /> 7- <br /> 8— <br /> 78 Color change to gray 0 8'. <br /> = o <br /> 33.1 0 9— <br /> Wet 9.5'.Wet09.5'. <br /> 10- <br /> 11- <br /> 12- <br /> 13- <br /> 14- <br /> 011121314 <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 � <br /> s <br />