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Logged By: Date Drilled: Drilling Contractor: Method/Equipment: Boring Number: <br /> 16 HOLLOW STEM AUGER <br /> Todd Brown 5/21/97 Mitchell Drilling CME 75 HT SB-2 <br /> See "Legend toLogs" or Boring Ground Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): Q Depth(ft.): wt.(Ibs.): Dist.(in.): <br /> classifications and laboratory 1 11.0 50.5 140 30 <br /> testing methods S <br /> _ ou <br /> Welltd N y <br /> 3 Description a H a <br /> Construction a E <br /> Asphalt and Gravel fill <br /> 15 0 <br /> 11 (CL) CLAY, stiff, moist, dusky yellowish brown, very fine 0 8015/ SSB2 35 <br /> 13 to fine grained Sand, no petroleum odor 8020 <br /> 418.1/ <br /> 12 0 413.2 SB2 4.5 <br /> 5 17 ...same as above, ver stiff, medium yellowish brown 0 _ SB2-5 <br /> 18 - <br /> 6 (CL) CLAY, very stiff, moist, light yellowish brown, no 0 - SB2-9.5 <br /> 10 11 petroleum odor 0 8015/ SB2-10 <br /> 20 ...becomes wet 8020 <br /> 12 (CL) CLAY very stif, dark yellowish brown wet trace 0 <br /> SB2 15 <br /> 15 15 of sand, no petroleum odor <br /> Abondoned 17 <br /> with Neat <br /> Cement <br /> :- Grout <br /> _ 2 ...becomes moderate yellowish brown, soft 0 - SB2-20 <br /> 20 2 <br /> 3 <br /> 6 (CL) Same as above, no petroleum odor, firm 0 - SB2-25 <br /> 25 7 <br /> 8 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific <br /> location at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 40007-130-01 Date MAY 97 Log of Boring <br /> Figure <br /> A-6 (sheet 1 of 2) <br />