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~~ <br />EOTECH I Civil, Structural & Geotechnical Engineers <br />222 South Park AVe. • Montrose, C.O 81401 <br />Ph.: (970)249-6828 • FAX: (970)249-0945 <br />Sieve Analvsis and Atterberq Limits <br />Project Name Gob Pile Stability Date 12/28/2006 <br />Project Location Bowie Mine Gob Pile #3 Project # 06481-002-02 <br />Client Bowie Resources Sample by BB <br />Test Location BG06-01 @20-21.5' Tested by VB <br />Sample # GS4 <br />Sieve Analvsis Atterberq Limits <br />ASTM C1361 C117 ASTM D4318 <br />Sieve Opening <br />(mm) ,~ Passing <br />3" 76.2 100.0 <br />3/4" 19.0 100.0 <br />3/8" 9.5 95.6 <br />#4 4.75 92.0 <br />#10 2.0 88.9 <br />#40 0.425 81.7 <br />#200 0.075 48.8 <br />Liquid Limit (LL) 24 <br />Plastic Limit (PL) 15 <br />Plasticity Index (PI) 9 <br />Natural Moisture Content (%) = 11.1 <br />Soil Description yellow brown clayey SAND <br />USCS Classification SC <br />100 <br />90 <br />80 <br />70 <br />rn <br />y 60 <br />H <br />N <br />a 50 <br />c <br />m <br />40 <br />a <br />30 <br />20 <br />10 <br />0 <br />~~ <br />0.01 0.1 1 10 <br />Particle Diameter (mm) <br />100 <br />Clay/Silt Fine Medium Coarse Fine Coarse <br />FINES SAND GRAVEL <br />Fines = 48.8 % Sand = 43.2 % Gravel = 8.0 <br />