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TABLE 2-1 <br />DRAIN COVER FILL <br />GRADATION SPECIFICATION <br />U.S. Standard Sieve Size Percent Passing by Dry Weight <br />1 ~/z-inch 100 <br />3/a-inch 70 - 100 <br />No. 4 5 - 50 <br />No. 200 0 - 8 <br />' 1105@3%61MOOVnI-Iinmloadmppp505\0532386.0400fNrcp.doc Golder Associates <br />