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JLT ~ Y G <br />COMMERCIAL TESTING 8c ENGINEERING CO.~ <br />GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SUITE 210-B, LOMBARD, ILLINOIS 60148 • {70!31953-g9pp , <br />3wC[ r~ <br /> <br />3Aerrlber a Ble scs craw (sonar: G~r,~[I. a. <br />December 18, 1990 <br />RING COAL <br />1015 FI. Hain Street <br />Durango CO 81301 <br />PIEASE ADDfIESS ALL E TO: <br />10775 E 51ST AVE., DENVER, (~ 80238 <br />1nE~HONE: A~ 373s7n <br />FAX: (303) 373791 <br />TELEX: 255978 <br />Sample identification by` <br />RING COAL <br />2ND EAST (FLOOR) <br />]find of sample FLOOR <br />reported to us <br />Sample taken at 2:aC7s)[7CIC <br />Sample taken by RING COAL INC. <br />Dats sampled ------ <br />Date received November 9, 1990 <br />Ana psis Report No. 7 - 954 <br />• <br />$ Ppritic <br />$ Sulfate <br />$ Organic(diff) <br />$ Sulfur <br />FORMS OF SULFUR <br />As Received Drv Basin <br />0.01 0.01 <br />0.00 0.00 <br />0.21 0.21 <br />0.22 0.22 <br />~i <br />Respecttuly wbmined, <br />COMMERCIAL TESTING b ENGINEERING CO. ' <br />~- <br />j ''~ NOVe~ber 1993 <br />Manager, Denver tap <br />OVER 10 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS, TIDEWATER AND GREAT LAKES PORTS. AND RIVER LOADING FACILITIES <br />