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I <br /> x`71 (odti <br />' 49009 AND TECHNOLODY COM <br /> w BORING N0. Mfg-9 <br /> LOG OF 30RING SHEET 1 OF I <br /> I CLIENT PROJECT PROJECT NO <br /> EBMUD Stockton Service Center 40429 300 <br /> PROJECT LOCATION COORDINATES ELEVAT30N JDATUM) TOTAL DEPTH DATE START <br />' Stockton,California N 4888 4486 E 4995 3459 3.32'(mel) 28.5 FEET 08/08/93 <br /> SURFACE CONDITIONS LOGGED BY DATE FINISH <br /> -Gravel S.Martin 09/08/93 <br /> SAMPLING CHECKED BY APPROVED BY <br />' WW c,� y►v��yy, rn 1Sa�azy, 2cr M.McClain E Meyer <br /> LL <br /> CORING z w <br /> r Uj CLASSIFICATION OF MATERIAL REMARKS <br /> A ¢ �W 4=2lsJ cm _KC <br /> W M <br /> 17C oG �s O <br /> I SPT 1 4 7 8 15 1.2 GRAVEL. Bortng advanced with 10° <br /> 1 CLAY; dark brown, stiff,high plasUcity-. 0.0•.81/4"I.D. hollow <br /> moist stem auger Sapler <br /> 2 driven using 140 Ib <br /> hammer over 30°'drop. <br /> 4 Silty CLAY,olive brown:stiff;low - <br /> plasUaty,moist w/some gravel. <br /> 5 <br /> SPT 2 3 T B 16 1.4 Gravel grades out. <br /> 8 <br /> 7- <br /> 13- <br /> -- <br /> 8 _ _-___ _ -_ __ ----SILT,non-plas.ic,stiff,moist to wet. <br /> 10 <br /> SPT 3 3 5 6 10 is 11 , <br /> 12 <br /> SPT 4 6 6 7 13 15 13 <br /> 14 <br /> SPT 18 Sandy SILT, olive brown.non-plastic; <br /> PT 5 3 2 1 3 1.5 16 soft, wet <br /> 17 <br /> !B <br /> 19 <br /> 20 <br /> SPT a 1 1 1 2 15 21 Silly SAND,greenish gray; Very loose; <br /> poorly graded,tine grained sabrounded. <br /> 22 <br /> 23- <br /> 24 <br /> 25 Grading raedium dense. <br /> I SPT 7 7 10 12 22 1.3 2t3 Sandy CLAY. grown to greenish gray; <br /> ver surf:lowasticlty. moist to wet <br /> 27 Silty SANG,greenlsh-gray;medium dense. Bottom of boring at 29.5 <br /> fin{•gralned; subrounded to subangular, bgs. Monitoring well <br /> 28 installed 9/8/93. <br /> 29 <br />