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AUSTO ENGINEERING GROUP LOG OF BORING S B-9 <br /> . Page 1 of 1 <br /> LAFAYEi, CALIFORNIA <br /> ALISTO PROJECT NO: 10-211-15-01 DATE DRILLED: 06-27-02 <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 /> LOGGEDBY: D. Birch APROVEDBY: Al Sevilla <br /> i <br /> WELL DLAOW GEOLOGIC DESCRP TION <br /> J <br /> Base rock <br /> c 1 <br /> SM Silty SAND, litle brown, moist, fine grain. <br /> U <br /> 2- <br /> 17.7 <br /> 1y.7 ca 3 , Silty Fine SAND, moderate brown, moist. <br /> 4 <br /> 5 <br /> 6 , <br /> = 7 <br /> n 8 <br /> CIO <br /> 19.4 — <br /> 0 9— Very moist to wet ® 9' color to rust/brown. <br /> = o <br /> Q) 10 <br /> — 11 <br /> = 12 Organic layer 0 11-12' <br /> 13 Color to dark gray 013' to 15' <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 /> 19 <br /> 617181920g <br />