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PROJECT NAME:Forward Landfill ARCADIS <br />PROJECT NO:30225884 IGS Labs File No:2405-50b <br />SITE LOCATION:Stockton, CA.Report Date:5/14/2024 <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 />AM W -60M -93-98 1 93-98 S ilt 0.046 0.00 0.93 5.29 21.81 43.59 28.39 71.98 <br />AM W -60M -98-103 2 98-103 S ilt 0.046 0.53 0.31 1.60 8.01 36.17 53.39 89.56 <br />AM W -60M -103-107 3 103-107 Finesand 0.125 0.00 0.80 10.66 44.49 7.32 36.74 44.05 <br />AM W -60M -107-111.5 4 107-111.5 Finesand 0.141 0.00 0.76 13.77 43.36 7.19 34.92 42.11 <br />AM W -60M -111.5-116.5 5 111.5-116.5 Finesand 0.084 0.00 0.12 9.22 45.20 27.57 17.89 45.45 <br />AM W -60M -116.5-121.5 6 116.5-121.5 S ilt 0.041 0.73 0.71 5.26 17.04 33.73 42.53 76.26 <br />Integrated Geosciences Laboratories, LLC <br />(METHODOLOGY: ASTM D6913-04 (2009)) <br />PARTICLE SIZE SUMMARY <br />(1) Based on Mean from Trask