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p 1111 Broadway, 6th FI BORING DMW-5B SHEET 4 OF 4 <br /> eosyntec Oakland, CA 94607 START DATE 2/20/2014 ELEVATION: <br /> consultants Phone: (510)836-3034 FINISH DATE 2/24/2014 GROUND SURF. 7.25 ft <br /> Fax: (510)836-3036 LOCATION 800 W Church St,Stockton TOP OF MONUMENT6.75 ft <br /> GS FORM: PROJECT Dopaco DATUM NAVD88 <br /> WELL BORE GE BOREHOLE LOG NUMBER WR1194 WATER DEPTH: ft bgs <br /> DESCRIPTION SAMPLE <br /> 1)Unit/Formation,Mem.7)Plasticity O O m o <br /> E <br /> DEPTH 2)Color <br /> Name 8)DenStructure <br /> U WELL COMPLETION O Z w r C� Co COMMENTS <br /> 3)Color 9)SWdure = H W W a X Z o <br /> (ft-bgs) 4)Moisture 10)Other(Mineralization, o- —t DETAILS Q _j o- (q W p o <br /> Q W > a > Q W 1)Rig Behavior <br /> 5)Grain Size Discoloration,Odor,etc. W 2 O w <br /> 6)Percentage (� W < O W F 2)Air Monitoring <br /> (grmml,sand,fines) c0 Of 2'X <br /> :fines[0,0, 100];no plasticity;stiff -53 40 0 8:55 <br /> ....................................... . <br /> No recovery <br /> -54- <br /> 62 SILT(ML):dark olive gray(5Y 3/2);moist; -55- <br /> fines[0,0,100];no plasticity;medium stiff 55 <br /> 62 <br /> -56 62.5 <br /> 64 <br /> -57- <br /> . .......................... ....... ................. <br /> Slough _58 so 0 9:05 <br /> POORLY-GRADED SAND with silt <br /> 66 (SP-SM):dark olive gray(5Y 3/2);wet; <br /> (medium sand with fine sand and fines[0, I -59 <br /> 190,10]_lose <br /> -------------J '- <br /> SILT(ML):dark olive gray(5Y 3/2);moist; <br /> fines[0,0, 100];no plasticity;stiff screen:2"diameter Sch 40 �0 <br /> - ; PVC pipe,horizontal 0.020" <br /> 68 slots(5767 ft bgs). <br /> -61 <br /> -62- <br /> 70 @ 70ft presence of mica -63 90 o 9:15 <br /> -64- <br /> 72 -65 <br /> • Bentonite backfill:Wyo-Ben <br /> Enviroplug medium chips <br /> @ 73-75ft presence of gray/white mottling (72.5-80 ft bgs). -66- <br /> (20%) <br /> 74 -67 <br /> -68 60 0 9:45 <br /> @ 75.5ft friable claystone <br /> 76 <br /> -69- <br /> 0 -70 <br /> c� <br /> U <br /> H <br /> W 78 @ 78-79ft presence of gray/white mottling -71 <br /> w (20%) 55 <br /> 78.5 <br /> a -72 79 <br /> o BOREHOLE TERMINATED. Total depth= <br /> 80 ft bgs <br /> 80 - <br /> o CONTRACTOR: Gregg NORTHING:2167604.1 LOGGER ODR/AMS REVIEWER FM <br /> W EQUIPMENT: Mobile B80/Mart M11 EASTING: 6329973.9 NOTES: Mud rotary 0-50ft while driving conductor casing; <br /> w. DRILL MTHD: Mud Rotary/HSA COORDINATE SYSTEM: hollow-stem auger drilling 50-80ft <br /> m HAMMER TYPE: NAD83 <br /> BOREHOLE DIAMETER:14"(10"conductor)/8.75° SEE KEY SHEET FOR SYMBOLS AND ABBREVIATIONS <br />