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GRAPHIC BORING LOG PAGE _2 . OF ' <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-8D <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> DRILLING CO West Hazmat TYPE OF RIG CME-85 <br /> DRILLING METHOD/EQUIPMENT Hollow Stem Auger HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140# 30" REFERENCE OR DATUM Surface ' <br /> START DATE 9/20/01 COMPLETION DATE 9/20/01 <br /> DESCRIP 'T'ION <br /> w� °V <br /> HW Wed " 0 H 3z to z - ' <br /> I x y a W a o w R H W U 10 Fol1twing Order LITHOLOGY, pp]or,grain size sorting skngularrty <br /> LL W 4 Ce0 �N u b tr r_ H« H- 0� tomils, mnsrst4ticy wetrie$� <br /> WzWir40 <Ho .,JW r-i Dtit Z >_ <br /> U L14 Lo 0_1 to V) .J p zk } Ow_ . <br /> :):d(A� <br /> 37 0 <br /> SM <br /> 40 15124 9 15 07 39-40 5' SILTY SAND, brown, fine sand, saturated, no odor <br /> 130 <br /> 41 0 <br /> ML ' <br /> - r <br /> 45 <br /> 22/30 9 20 41 7 44-45 5' SLIGHTLY SANDY SILT, olive, fine sand, saturated, <br /> _ /36 no odor <br /> - 480 <br /> SM <br /> 50 18/21 9 25 444 49-50 5' SILTY SAND, olive, fine sand, saturated, odor <br /> /24 <br /> 55 -- — - 20121=-9 30 96 3 54=55-5'-SILTY SAND;alive, fine sand, saturated, odor <br /> i26 <br /> 60 /3128 9 35 NR <br /> 11124 -64-65 5' SILTY SAND, olive, fine sand, saturated, faint odor ' <br /> ' 65 '- - - I30 9 40 0 5 - <br /> 66 0 <br /> ML - ' <br /> 70 17/22 9 45 0 3 69-70 5' SANDY SILT, olive, fine sand, saturated, faint odor <br /> /29 <br />-- - - - - - -- - -- Connnued Next Pae --------- - - - - <br /> NOTES <br /> NR=No Recovery <br /> ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> Tines <br /> LOGGED BY BHM DATE 09/20/01 APPROVED BY BHM RG # 5649 ' <br />