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7 <br />GRAIN SIZE DISTRIBUTION CURVE <br />Project Name: <br />Foothill Area 2A <br />Tested by: RN Date: 8/18/2015 <br />Project No.: <br />14-101-1 <br />Calculated by: RN Date: 8/18/2015 <br />Sample Location: <br />Stockpile <br />Checked By: MH Date: 8/18/2015 <br />Sample No.: <br />OPS 14 <br />Sample Date: 8/18/2015 <br />Supplier <br />Rt Gordon <br />Gradation Method) <br />x <br />I ASTM D422 <br />ASTM C136 <br />GRAVEL <br />SAND <br />Weight <br />Retained <br />Weight <br />Passing <br />% Passing <br />SILT OR <br />CLAY <br />75 <br />2" <br />COARSE <br />7 FINE <br />COARSEF <br />MEDIUM 7 <br />FINE <br />37.5 <br />100 10 1 0.1 0.01 0.001 <br />Particle Diameter (mm) <br />US Standard <br />Sieve <br />Size <br />mm <br />Weight <br />Retained <br />Weight <br />Passing <br />% Passing <br />3" <br />75 <br />2" <br />SO <br />11h" <br />37.5 <br />1" <br />25.0 <br />0 <br />1382 <br />100 <br />3/4' <br />19.0 <br />70 <br />1312 <br />94.9 <br />ih" <br />12.7 <br />158 <br />1154 <br />83.5 <br />9.51 <br />89 <br />1065 <br />77.1 <br />0 <br />#4 <br />4.75 <br />247 <br />818 <br />59.2 <br />#40 <br />0.43 <br />256 <br />562 <br />40.7 <br />#60 <br />0.25 <br />242 <br />320 <br />23.2 <br />171 <br />#200 <br />0.075 <br />106 <br />43 <br />3.1 <br />Pan <br />- <br />43 <br />- <br />- <br />Wash <br />- <br />- <br />- <br />Total 1 1382 <br />Note: Sampled 8/18/15 @ 9:00 am - Screened Stockpile /Dry Sieve <br />—8 OPS 14 <br />% Passing 1" Sieve: <br />Sample before wash on #200 Sieve (g): <br />After wash (g): <br />