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PTS Laboratories, Inc. <br />PROJECT NAME: N/A <br />PROJECT NO: 201261 <br />Sample ID <br />SAN DIEGO <br />SANTEE <br />KEARNEY MESA <br />(1) Based on Mean from Trask <br />Curtis & Tompkins, Ltd. <br />PTS File No: 38135 <br />PARTICLE SIZE SUMMARY <br />(METHODOLOGY: ASTM D422/D4464M) <br />n <br />Median <br />Particle Size Distribution, wt. <br />ercent <br />Silt <br />Mean Grain Size <br />Grain Size <br />Sand Size <br />j <br />& <br />�pth, ft. <br />Description (1) <br />mm <br />Gravel <br />Coarse <br />I Medium I <br />Fine <br />Silt <br />Clay <br />Clay <br />N/A <br />Fine sand <br />0.329 <br />0.00 <br />0.00 <br />34.25 <br />57.85 <br />7.52 <br />0.38 <br />7.90 <br />N/A <br />Fine sand <br />0.379 <br />0.00 <br />0.00 <br />43.45 <br />51.75 <br />4.60 <br />0.20 <br />4.80 <br />N/A <br />Fine sand <br />0.372 <br />0.00 <br />0.00 <br />42.98 <br />52.32 <br />4.46 <br />0.24 <br />4.70 <br />n <br />