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AL ISTO ENGINEERING GROUP LOG OF BORING SB-8 Page , of , <br /> LWAYEr, 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 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: B. Nagle APROVED BY: Al Sevilla <br /> i <br /> WELL DWGRAM S2 GEOLO= DESCFWTION <br /> J <br /> Base rock <br /> Std Silty SAND, brown, moist; some gravel to 1" diameter. <br /> U 2 <br /> Y <br /> C <br /> 13.1 m 3— Silty SAND; moderate brown, moist. <br /> 4- <br /> 5- <br /> 0.0 <br /> 50.0 = 6 , Color change to light gray. <br /> = <br /> 7- <br /> 8- <br /> 15.1 <br /> 815.1 — 0 9 Very moist to wet ® 9'. <br /> — o <br /> 0 10 Wet ® 10' <br /> — 11 <br /> 12 <br /> 13 <br /> 14 _Some blockgeat organic in SAND at 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 /> s <br />