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Boring Log <br /> Dunn • • Page 1 of 1 <br /> ENVIRONMENTAL INC. <br /> Project Name Project No. Drilling Company <br /> Riverbank WWTP 109-06 Woodward Drilling <br /> Boring No. Location Ground Surface EI Drilling Rig Type and Drilling Methode <br /> MW-10 North NA CME Hollow stem Auger <br /> Depth (ft) Sample Time Soil Sample Lithology Description (USCS) Well <br /> No. Recovery Blow Count Completion <br /> oda Per 6 inch m <br /> advance ?� <br /> 0 m <br /> (o.00. 5.00)Silty Sand(SM);olive grey;20%silt;60% <br /> . meduim sand;20%gravel; low plasticity;mica content. <br /> -5 1 8:40 66 7/8/16 --------------------------------------- <br /> (5.00. 15.00)Sandy Gravel(GM);olive grey; 10%silt;40% <br /> mediium sand;40 to 50%gravel;low plasticity;moist. 3 <br /> rn <br /> 10 <br /> I 2 8:44 33 18/6/XXX ri <br /> C) <br /> m <br /> `I n <br /> -153 8:46 33 7/7/12 � - --------------------------------------- �+ <br /> (15.00- 20.00)Gravelly Sand(SW);black greyish white; <br /> j S • S <5%silt;BO%medium to coarse sand; 15%gravel;low EO <br /> S ' plasticity;wet(possible perched water table). C/) <br /> S • S m <br /> tl -20 4 8:54 100 7/6/4 <br /> (20.00- 37.50)Silt(ML);dark grey;BO to 90%clay or silt; <br /> 10%fine sand;dry;very plastic. <br /> 25 5 8:57 100 13/12/26 Sandy Silt(ML);dark grey to green;80%clay and silt;20% <br /> very fine to fine sand;very plastic;carbonaceous material; <br /> moist. <br /> P <br /> C/) <br /> it -30 6 9:01 100 6/6/12 Sandy Silt(ML);dark greenish grey;70%silt;30%very fine a <br /> to fine sand;5%medium gravel;plastic;stiff;wet. m <br /> o � <br /> CD <br /> 0 <br /> 35 0 <br /> 7 9:14 0.5 2/14/35 Continued;same as above,possible sloughing. CD <br /> Continued;Increased sand content. ,{ <br /> t --------------------------------------- .� . <br /> (37.50- 41.50)Sand (SP);light grey to olive grey; <br /> I90%fine to medium sand;poorly graded;wet. <br /> -40 8 9:16 100 5/9/15 <br /> r <br /> {E <br /> P <br /> tl <br /> �I Water Level Data: Logged By: M. Marchol Signature <br /> While Drilling Q After Drilling Hours after <br /> 15 23 Drilling:NA Date Started:4/29/2006 Date Completed:4/29/2006 <br />