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=--~ <br />COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SUITE 2166. LOMBARD, ILLINOIS 60148. 1708) 9539300 <br />roe <br />MemOer of the SGS Group ISPnils Gdnerele tla Survelnence) <br />December 18, 1990 <br />RING COAL <br />1015 W. Hain Street <br />Durango CO 81301 <br />PLEASE ADDRESS ALL CORRESPONDENCE TO: <br />10775 E. 51ST AVE., DENYEA, CO 80239 <br />TELEPHONE: (303) 373~T12 <br />FAX: (303) 3754791 <br />TELEX: 255978 <br />Sample identification Dy <br />KING COAL <br />2ND EAST (ROOF) <br />Rind of aample ROOF <br />reported to va <br />Sample taken at XXXXXX <br />Sampls taken by RING COAL INC. <br />pats sampled <br />Date received November 9, 1990 <br />Analysis Report No. 72-209547 <br />• FORMS OF SULFUR <br />As Received DtV Basis <br />9 Pyritic 0.79 0.82 <br />8 Sulfate 0.00 0.00 <br />4 Orgsaie(diff) 0.08 0.09 <br />9 Sulfur 0.87 0.91 <br />ResOectlully su0mine0, <br />COMMERCIAL TESTAJG 8 ENGINEERttJG CO. <br />Manager, Denver Labmalary November 1993 <br />OVER 40 BRANCH UBORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS. TIDEWATER AND GREAT LAKES PORTS. AND RIVER LOADING FACILITIES <br />