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PROJECT NAME:FORWARD LANDFILL-EW-3 ARCADIS <br />PROJECT NO:30225884.02 IGS Labs File No:2407-72 <br />SITE LOCATION:Stockton, CA Report Date:7/22/2024 <br />Mean Grain Size <br />Description Median Particle Size Distribution, wt. percent Retained <br />IGS Labs USCS/ASTM Grain Size,Gravel Sand Size Silt/Clay <br />Sample ID ID Depth, ft.(1)mm Coarse Medium Fine Silt Clay <br />EW -3-65.5-70 1 65.5-70 Finesand 0.178 0.04 0.61 25.31 30.26 25.42 18.36 43.79 <br />EW -3-70-75 2 70-75 S ilt 0.067 0.11 0.98 5.02 11.02 21.91 60.96 82.87 <br />EW -3-75-80 3 75-80 S ilt 0.062 0.57 0.68 6.85 36.96 23.81 31.13 54.94 <br />EW -3-80-84 4 80-84 Finesand 0.380 2.78 4.72 38.42 39.70 4.65 9.73 14.38 <br />EW -3-84-90 5 84-90 S ilt 0.046 0.00 1.25 13.19 18.88 25.90 40.78 66.68 <br />EW -3-90-95 6 90-95 Finesand 0.199 0.00 0.31 15.99 53.00 8.68 22.02 30.70 <br />EW -3-95-100 7 95-100 M edium sand 0.425 1.73 4.07 44.63 40.78 2.72 6.07 8.79 <br />EW -3-100-105 8 100-105 M edium sand 0.525 0.24 1.87 57.91 26.09 4.47 9.42 13.89 <br />EW -3-105-109 9 105-109 Finesand 0.138 0.10 0.63 31.91 32.36 12.26 22.74 35.00 <br />EW -3-109-115 10 109-115 Finesand 0.220 0.00 0.06 23.17 51.83 6.97 17.97 24.94 <br />Integrated Geosciences Laboratories, LLC <br />(METHODOLOGY: ASTM D6913-04 (2009)) <br />PARTICLE SIZE SUMMARY <br />(1) Based on Mean from Trask