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PROJECT: ROBERTS PROPERTY. <br /> Vernalis, California Log of Boring No. SB-15 (conVd) <br /> SAMPLES (9 <br /> F= o g N Y 2? E DESCRIPTION REMARKS <br /> w E o E o °o O O n NAME(USCS):color,moist,°%by wt.,plast.density,structure, <br /> p W z y m a -- cementation,read.w/HCI,geo.inter. <br /> co <br /> CLAYEY SAND(SC):confd <br /> - k <br /> 88 Hydropunch driven ahead <br /> of sonic drive casing from <br /> _ _ _ 95 to 100 feet bgs.Sleeve <br /> 89 CLAYEY GRAVEL(GC): brown (10YR 5/3),wet,75%fine to retracted 4 feet to expose <br /> coarse,subrounded gravel(to V diameter),25%low plasticity - a 1-inch OD Schedule 40 <br /> fines, no odor - PVC screen(0.010-inch <br /> 90 slot size)from 96 to 100 <br /> - feet bgs. Grab <br /> groundwater sample <br /> 91 m - SB-15-0803 collected. <br /> 92 - <br /> 93 <br /> V <br /> 94- <br /> 95- <br /> L <br /> 96- <br /> 97- <br /> 100- <br /> 697100 Bottom of boring at 100.0 feet Borehole destroyed using <br /> Type I-H neat cement <br /> grout placed from total <br /> 101 depth to ground surface <br /> with a tremie pipe. <br /> 102- <br /> 103- <br /> 104- <br /> 10J <br /> 02 103 104105 <br /> 0WRORW(M.3100) <br /> Geomatrix Consultants Project No.5011.001 Page 6 of 6 ` <br />