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PARTICLE -SIZE DISTRIBUTION ASTM D 421 AND D 422 <br />US STANDARD SIEVE OPENING SIZES <br />T IS .75' 375' *4 *i0 x20 a0 HO :100 0200 <br />100 • • t, I- I I I <br />90 <br />80 <br />P <br />E <br />R 70 <br />C <br />E 60 <br />N <br />T 50 <br />P 4 0 <br />A <br />S <br />30 <br />I <br />N 20 <br />G <br />10 <br />0 <br />4 <br />+ <br />T <br />- <br />I <br />I II I <br />iH <br />' <br />J <br />I <br />i ( <br />I , <br />I <br />I I <br />` <br />I <br />' <br />' I <br />i <br />I <br />I <br />I <br />i I <br />I <br />J <br />1000 100 10 1 0.1 0.01 0.001 <br />PARTICLE SIZE (mm) <br />Coarse Fine <br />Cor 1 Med I Fine <br />Silt or Cla\ Size <br />COBBLES GRAVEL <br />SAND <br />FINES <br />SAMPLE #: <br />DEPTH (ft): <br />— <br />DRAIN COVER FILL 3 <br />BEFORE PERM <br />MC (As tested): <br />LL: <br />— PL: <br />7.7% <br />LL <br />PL <br />DESCRIPTION: <br />Fine to coarse GRAVEL <br />with some fine to coarse sand, <br />little clay (GP -GC) <br />PI: <br />Gs: _ <br />P1 <br />Gs <br />CC &V/TECHNICAL SUPPORT /CO <br />993 -2075 <br />02- Oct -99 <br />RD <br />DMD <br />GOLDER ASSOCIATES INC. <br />LAKEWOOD, COLORADO <br />FIGURE 1 <br />