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COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SURE 21D8, LOMBARD, ILLINOIS 60148 • TEL: 70&953-8300 FA%:70&953-9,908 <br />,• <br />~E 1908` <br /> <br />January 15, 1997 <br />KING COAL <br />P.O. BOX 2905 <br />Durango CO 81301 <br />~~ Member of the SOS Group (Soc1AtA GAn6rele de SurveBrenea) <br />PLEASE ADDRESS ALL CORRESPONDENCE TO: <br />4685 PARIS STREET <br />SUITE &200 <br />DENVER, CO 80239 <br />TEL: (303) 3734772 <br />FAX: (303) 3734791 <br />Kind of sample ROOF <br />Sample taken by KING COAL <br />Date received December 16, 1996 <br />Sample identification by <br />KING COAL <br />SAMPLE ID:ROOF <br />N-16 CORE "A" SEAM 1997 FEDERAL <br />LEASE MODIFICATION AREA. <br />Analysis report no. 72-349864 <br />• <br />PARAMETER RESQLTS 9NIT5 <br />paste, pH 4.23 s.u. <br />Conductivity 940 umho/cm <br />Total Combustible Solids 25.0 & <br />Forme of sulfur, Sulfate 0.11 k <br />Forms of sulfur, Pyritic 2.84 9r <br />PARTICLB SIZE 4 CLAY SILT SAND <br /> 18.0 16.0 66.0 <br />Sodium Absorption Ratio 27.7 <br />Saturation Percen t 43.3 <br />SOLIIBLB ELBMENTS mall <br />Calcium, Ca 125 <br />Magnesium, Mg 72 <br />Nitrate, N03 0.83 <br />Sodium, Na 1570 <br />Boron, B i <br />TOTAL METALS ug/o TOTAL METALS ug/g <br />Arsenic, As 5 Manganese, Mn 36 <br />Barium, Ba 110 Mercury, Hg 0.9 <br />Cadmium, Cd <0.5 Magnesium, Mg 670 <br />Chromium, Cr 5 Molybdenum, Mo <5 <br />Copper, Cu 18 Selenium, Se 2 <br />Iron, Fe 26600 Zinc, Zn 73 <br />Lead, Pb 22 <br />d..•o ., <br />Respectfully eubminetl. F <br />COMMERCIAL TESTNG 6 ENGINEERING CD. o ° <br />4SR~` ~+ <br />Denver Laborer ry ~e <br />OVER b BMNCM LABOMTORIEB BTRATEOICALLY LOCATED IN PRINCIPAL COAL MINING ARFa3, TIDEWATEFI AND GREAT UKE9 PORT9. AND RIVER LOADING FACILITIES <br />5 <br />gal Wetermerketl For Your Pratettlon TERMS AND CONOrRONS ON REVERSE <br />