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Client Name: CHEN-NORTHERN, INC. September 13, 1991 <br /> GLENWOOD SPRINGS, CO Sheet 19 of 26 <br /> Project No. : 90-909 <br /> Project Name: Mid Continent Mine <br /> Laboratory No. : 118960 <br /> Sample Name: GRAB REFUSE SUTEY SOUTH <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 6 tons/1000 tons 09/09/91 <br /> Calcium Carbonate 3.37 % 09/04/91 <br /> Cation Exchange Capacity 15 meq/100 gm 09/09/91 <br /> Electrical Conductivity Saturated Paste 3.95 mmhos/cm 09/04/91 <br /> Exchangeable Sodium Percent 4.0 % 09/09/91 <br /> Gypsum * 09/09/91 <br /> Neutralization Potential 33.7 tons/1000 tons 09/04/91 <br /> Organic Matter 8.75 % 08/29/91 <br /> pH Saturated Paste 7.0 S.U. 08/29/91 <br /> Saturation 37.9 % 08/29/91 <br /> Sieve Fraction <2mm 39.0 % 08/26/91 <br /> Sieve Fraction >2mm 61.0 % 08/26/91 <br /> Sodium Absorption Ratio 3.80 08/30/91 <br /> Solids, Combustible 15.6 % 09/04/91 <br /> Sulfur (Total Eschka) 0.97 % 09/05/91 <br /> Sulfur Pyritic as S 0.53 % 09/06/91 <br /> Sulfur Sulfate as S 0.07 % 09/06/91 <br /> Sulfur Organic as S 0.37 % 09/06/91 <br /> PARTICLE SIZE ANALYSIS: <br /> Sand 51.1 % 08/23/91 <br /> Silt 32.2 % 08/23/91 <br /> Clay 16.7 % 08/23/91 <br /> Texture, USDA LOAM 08/28/91 <br /> * None detected <br /> Chen-Northern, Inc. Consulting Engineers and Scientists <br />