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' � • GEOTE�W <br />-- Civil, Structural & Geotechnical Engineers <br />222 South Park Ave •Montrose, CO 81401 <br />Ph (970) 249 -6828 • FAX (970) 249 -0945 <br />Sieve Analysis and Atterberg Limits <br />Project Name Bowie Mine Gob Pile Road Date 10/29/2012 <br />Project Location Paonia, CO Project # 12- 274 -CMT <br />Client Bowie Resources Sample by JLH <br />Test Location on -site native Tested by Si <br />Sample # 1 <br />Sieve Analysis <br />ASTM C136 / C117 <br />Sieve <br />Opening <br />% Passing <br />3" <br />76.2 <br />100.0 <br />3/4" <br />19.0 <br />93.2 <br />318" <br />9.5 <br />89.3 <br />#4 <br />4.750 <br />86.6 <br />#10 <br />2.000 <br />83.3 <br />#40 <br />0.425 <br />78.6 <br />#200 <br />0.075 <br />55.4 <br />Soil Description <br />USCS Classification <br />100 <br />90 . F7 <br />- <br />80 <br />70 <br />. <br />60 <br />N <br />tL 50 <br />C <br />u 40 -- - - <br />2 <br />d <br />a 30 — -- - <br />20 <br />10 <br />0 <br />Atterberu limits <br />ASTM D4318 <br />Liquid Limit (LL) 34 <br />Plastic Limit (PL) 19 <br />Plasticity Index (PI) 15 <br />CL= Clay <br />dark reddish brown sandy lean CLAY <br />CL <br />#200 #40 1110 #4 3/4" 3 <br />0.01 0.1 1 10 <br />Particle Diameter (mm) <br />Clay /Sill <br />Fme Medium Coarse <br />Fme Coarse <br />FINES <br />SAND <br />GRAVEL <br />% Fines = 55.4 % Sand = 31.2 % Gravel = 13.4 <br />100 <br />