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ALISTO ENGINEERING GROUP LOG OF BORING SB-8 Page , of <br /> . LAFAYEr, 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 /> LOGGED BY: B. Nagle APROVED BY. Al Sevilla <br /> Z <br /> WELL DOXAM tC S2 GEOLOGIC DE T10M <br /> Base rock <br /> ( SM <br /> n Silty SAND, brown, moist; some grovel to 1" diameter. <br /> ro <br /> U 2 <br /> Y <br /> C <br /> ro <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 /> 7— <br /> Z 8 <br /> = o <br /> 15.1 _ 0 9 , Very moist to wet 0 9'. <br /> — o <br /> 6 10 Wet 0 10' <br /> — 11 <br /> 12- <br /> 13- <br /> 14— <br /> 21314 _Some blackceat 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 /> '7 <br /> 61718 � <br /> 19 <br /> 20 <br /> 8 <br />