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COMMERCIAL TESTING & ENGINEERING CO. <br />C GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SUITE 210-8, LOMBARD, ILLINOIS 60148 •TEL:708-953-9300 FAX:708-953-9306 <br />'CE t 908® r~~ Member of the SGS Group ISoci~t~ GAnArale de Surveillance) <br />PLEASE ADDRESS ALL CORRESPONDENCE TO: <br />4665 PARIS STREET <br />January 15 , 19 9 7 SUITE B-200 <br />DENVER, CO 80239 <br />TEL: (303) 373-4772 <br />' KING COAL FAX: (303) 373.4791 <br />P.O. BOX 2905 <br />Durango CO 81301 Sample identification by <br />KING COAL <br />Kind of sample ROOF <br />SAMPLE ID:ROOF <br />N-16 CORE "A" SEAM 1997 FEDERAL <br />LEASE MODIFICATION AREA. <br />Sample taken by KING COAL <br />Date received December 16, 1996 <br />Analysis report no. <br />PARAMETER RESULTS <br />paste, pH 4.23 <br />Conductivity 940 <br />Total Combustible Solids 25.0 <br />72-349864 <br />UNITS <br />s.u. <br />umho/cm <br />Forms of sulfur, Sulfate 0.11 <br />• Forms of sulfur, Pyritic 2.84 <br />PARTICLE SIZE $ CLAY <br />18.0 <br />Sodium Absorption Ratio 27.7 <br />Saturation Percent 43.3 <br />SOLUBLE_ELEMENTS mg/L <br /> <br />SILT SAND <br />16.0 66.0 <br />Calcium, Ca 125 <br />Magnesium, Mg 72 <br />Nitrate, N03 0.83 <br />Sodium, Na 1570 <br />Boron, B 1 <br />TOTAL METALS uct/a TOTAL METALS <br />Arsenic, As 5 Manganese, Mn 36 <br /> <br />Barium, Ba <br />110 Mercuy~~ Hg <br />rYE 0.9 <br />Cadmium, Cd <0.5 Magnesiuun, 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.\NOEVENpf~' <br />Respectfully submitted, ~'~ - <br />. COMMERCIAL TESTING & ENGINEERING CO. $ - <br />`~-.~.~ <br />c 4~ <br />s <br />Denver Laboratory <br />OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS, TIDEWATER AND GREAT LAKES PORTS, AND RIVER LOADING FACILITIES <br />Or~nEU Watermarked For Your Protection TERMS AND CONDRIONS ON REVERSE _ _ <br />