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Client Name: CHEN-NORTHERN, INC. September 13, 1991 <br /> GLENWOOD SPRINGS, CO Sheet 12 of 26 <br /> Project No. : 90-909 <br /> Project Name: Mid Continent Mine <br /> Laboratory No. : 118956 <br /> Sample Name: GRAB REFUSE SUTEY WEST <br /> Sample Date: 08/15/91 <br /> Collected by: RICK THOMAS <br /> Time Sampled: None Given <br /> AVERAGE DATE <br /> PARAMETER VALUE ANALYZED <br /> SOIL CONSTITUENTS: <br /> Acid/Base Potential 2 tons/1000 tons 09/09/91 <br /> Calcium Carbonate 3.66 % 09/04/91 <br /> Cation Exchange Capacity 9 meq/100 gm 09/09/91 <br /> Electrical Conductivity Saturated Paste 2.74 mmhos/cm 09/04/91 <br /> Exchangeable Sodium Percent 11.1 % 09/09/91 <br /> Gypsum * 09/09/91 <br /> Neutralization Potential 36.6 tons/1000 tons 09/04/91 <br /> Organic Matter 5.52 % 08/29/91 <br /> pH Saturated Paste 7.1 S.U. 08/29/91 <br /> Saturation 22.3 % 08/29/91 <br /> Sieve Fraction <2mm 10.3 % 08/26/91 <br /> Sieve Fraction >2mm 89.7 % 08/26/91 <br /> Sodium Absorption Ratio 6.86 08/30/91 <br /> Solids, Combustible 10.0 % 09/04/91 <br /> Sulfur (Total Eschka) 1.15 % 09/05/91 <br /> Sulfur Pyritic as S 0.58 % 09/06/91 <br /> Sulfur Sulfate as S 0.03 % 09/06/91 <br /> Sulfur Organic as S 0.54 % 09/06/91 <br /> PARTICLE SIZE ANALYSIS: <br /> Sand 78.0 % 08/23/91 <br /> Silt 14.4 % 08/23/91 <br /> Clay 7.6 % 08/23/91 <br /> Texture, USDA LOAMY SAND 08/28/91 <br /> * None detected <br /> Chen-Northern, Inc. Consuivn®Engineers and SeWntiete <br />