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• MINOR REVISION 28 <br />Addendum "A" <br />Since the original submittal of Minor Revision #28, addressing the need to conduct "test <br />burns" of two specific coals supplied by other producers (Bear #3 Mine and West Elk <br />Mine), Coors Energy Company (CEC) has proceeded to obtain the ash analysis <br />information indicated. This would, under other circumstances be sufficient data to <br />proceed with a review and determination with regard to MR 28. <br />However, CEC has recently been advised by Bowie Resources Ltd. (Bowie) of a further <br />inability to furnish the contract required coal supply (7/23/96 scheduled shipment). <br />Because they (Bowie) were made aware of problems that occurred relative to the burning <br />of the Bear #3 coal, and to a lesser degree the West Elk coal, problems having to do with <br />ash fusion temperatures and how the ash behaved in the boilers, Bowie advised CEC of <br />arrangements for a shipment of coal from the Cyprus-Amax Twenty-mile Mine. <br />Accordingly CEC asks that MR 28 be extended and modified to consider the testing of a <br />third coal, that from the Twenty-mile Mine. As with the other test shipments CEC will <br />obtain samples of the ash from the burning of the Twenty-mile coal and will submit these <br />to be analyzed for TCLP and radioactivity (Gross Alpha and Gross Beta). Copies of these <br />• test results will also be furnished to the Division for its review. <br />These "test bums" are for emergency supply purposes more than any contemplation of a <br />supply change. CEC presently anticipates maintaining this data for future "emergencies" <br />only. <br />Again, this change to the Minor Revision is submitted by CEC in compliance with its' <br />Mining Permit Stipulations, Nos. 2 & 24 of the Development Standazds, as amended; <br />USR-386:86:58. No permanent revision to the Permit is contemplated by the Minor <br />Revision or this addendum and thus it is not formatted for inclusion within the Permit <br />document. <br />• MR-28 7/96 <br />