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6 ASS O C I ATE S <br />Project: Ellis Avenues Detention Basins <br />LOG OF MONITORING WELL MW1 <br />Project Location: Tracy, California <br />WKA Number: 13093.04P <br />Sheet 1 of 1 <br />Date(s) <br />Dulled <br />Logged TBD <br />By <br />Checked TBD <br />By <br />Mho Hollow Stem Auger <br />Contractor VSW Drilling <br />Total Depth 30 feet <br />Of Drill Hole <br />Drill Rig CME <br />Type <br />Diameter 6 <br />of Hole, inches <br />Pppmz Surface <br />Elevation, ft MSL <br />Groundwater Level <br />and Date Measured <br />Seal or Filt <br />Backfier pack (sand), bentonite seal and neat cement grout <br />Sampling 2.0" Modified California with 6 -inch <br />Method(s) sleeve <br />Drive Weights 1401b auto. hammer with 30" drop <br />and Comments P <br />6 z <br />J <br />GEOLOGIC AND ENGINEERING <br />w� <br />T- <br />Q. <br />w e o <br />E <br />o <br />a <br />DESCRIPTION <br />=° <br />`` <br />O <br />REMARKS <br />A <br />N C <br />D <br />W <br />Zm <br />a <br />JU <br />�U <br />O� <br />11 Feet of Cement Grout <br />—Cement Grout <br />5- <br />10- <br />Bentonite Seal <br />2 Feet of Bentonite Seal <br />— 2 feet above <br />2 Feet of #212 Sand <br />top of screen <br />75 <br />212 Filter Sand <br />15 Feet of #212 Sand Around Slotted Pipe <br />2D <br />Schedule 40 <br />': <br />PVC 0.01" <br />Screen <br />25- <br />30-1 <br />Wal lace Kuhl FIGURE 1 <br />6 ASS O C I ATE S <br />