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<br />WHITE RIVER NAHCOLITE MINERALS, LTD. LIABILITY COMPANY <br />1998 PROJECT STATUS AND ANNUAL PLAN OF DEVELOPMENT <br />1.0 INTRODUCTION AND PROJECT SUMMARY <br />This report summarizes 1998 process operations, shipment of product, reclamation status, <br />geotechnical and environmental monitoring results as well as status of all surface facilities <br />and project wells. Proposed operations for 1999 will be described in this report. Significant <br />technical considerations and/or proposed changes in operations are presented. <br />LJ <br />On July 1, 1971, the four sodium preference right leases were issued. During 1980-1982 <br />exploration, well drilling and environmental monitoring were conducted on the leased lands. <br />A bulk sampling operation was in operation from late 1983 to early 1984. The BLM <br />evaluated a 125,000-TPY commercial-scale nahcolite mine in late 1986 and the <br />Environmental Impact Statement was approved in November of 1987. In 1988 an <br />Underground Injection Control (UIC) permit was obtained from the EPA. Early in 1990, <br />NaTec Minerals, Inc. submitted construction plans fora 125,000-TPY facility to the BLM <br />and initiated site development. Construction of plant facilities started in May of 1990 and <br />was completed February of 1991. In January, 1991 the revised Mine Plan was submitted, <br />and approved by the BLM. Injection and sodium bicarbonate production was initiated in <br /> <br />1 <br />