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� 7 <br /> COMMERCIAL TESTING & ENGINEERING CO. <br /> GENERAL OFFICES:1919 SOUTH HIGHLAND AVE.,SUITE 210-13,LOMBARD,ILLINOIS 60148•(708)953-9300 <br /> SINCE 1908 Member of the SGS Group(Societe Generale de Surveillance) <br /> PLEASE ADDRESS ALL CORRESPONDENCE TO: <br /> 10775 E.51ST AVE., DENVER,CO 80239 <br /> December 18, 1990 TELEPHONE:(303)373-4772 <br /> ' FAX:(303)373-4791 <br /> KING COAL TELEX:255978 <br /> 1015 W. Main Street <br /> Durango CO 81301 Sample identification by <br /> KING COAL <br /> 2ND EAST (ROOF) <br /> Kind of sample ROOF <br /> reported to us <br /> Sample taken at XXXXXX <br /> Sample taken by KING COAL INC. <br /> Date sampled ------ <br /> Date received November 9, 1990 <br /> Analysis Report No. 72-209547 <br /> PARAMETERS <br /> Paste pH 8.0 <br /> Conductivity, umhos/cm 7,200 <br /> Total Combustible Solids, % 6.18 <br /> PARTICLE SIZE % Clay Silt Sand <br /> 19.98 29.98 50.04 <br /> Saturation Percent 3.69 <br /> Sodium Absorption Ratio 39.9 <br /> SOLUBLE ELEMENTS mg/L <br /> Calcuim, Ca 130 <br /> Magnesium, Mg 61 <br /> Sodium, Na 2,200 <br /> Nitrate, NO3 0.32 <br /> Boron, B 0.12 <br /> TOTAL METALS ug/g TOTAL METALS ug/g <br /> Arsenic, As 10 Manganese, Mn 72 <br /> Cadmium, Cd <4 Mercury, Hg 0.13 <br /> Copper,Cu <20 Molybdenum, MID <20 <br /> Iron, Fe 9,000 Selenium, Se <8 <br /> Lead, Pb <20 Zinc, An 37 <br /> Respectfully submitted, <br /> COMMERCIAL TESTING&ENGINEERING CO. <br /> Manager, Denver Laboratory <br /> F-485 OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS,TIDEWATER AND GREAT LAKES PORTS,AND RIVER LOADING FACILITIES <br /> Original Watermarked For Your Protection TERMS AND CONDITIONS ON REVERSE <br />