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?r <br />AMERICAN <br />Ed Cooley <br />ASODA, L L P Health, Environment, and Safety Manager <br />2717 County Road 215 RECEIVED International Telephone +1 (970) 285-6500 <br />Parachute, CO 81635 <br />Tuesday, April 29, 2003 <br />Mr. Allen Sorenson <br />-?J Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Dear Mr. Sorenson: <br /> <br />Enclosed please find American Soda's tenth Operational Quarterly Report in compliance with <br />Hard Rock Mining Operation Permit No. M-99-002. This document includes process <br />operational analytical data and environmental ground water monitoring data collected and <br />compiled during our tenth quarter of operations, January 1, 2003 through March 31, <br />2003. <br />The ground water data summary report is spiral bound as a non-confidential document and <br />includes a comparison of the 10th operational quarter with baseline and operational general <br />statistics prior to the current reporting period. In addition, the tables provide information <br />for comparison of Ground Water Standards as provided in Regulation No. 41 of the <br />Colorado Department of Public Health and Environment Water Quality Control Commission <br />and Numeric Protective Levels and Early Warning Indicators. <br />Comparison of the data values with the Early Warning Indicators (EWI) and the Numeric <br />Protective Levels (NPL) is showing some values slightly above the established limits. These <br />values are summarized in Table 1 and highlighted in red in each of the summary tables <br />within the document. Included in the Executive Summary of the Ground Water document <br />are graphs illustrating the locations and constituents that are elevated above the <br />established Early Warning Indicators or Numeric Protective Levels. These graphs include: <br />Point of Compliance <br />Well 21-4U Water Elevation and Barium Concentration <br />Well 21-3U Water Elevation and Barium Concentration <br />Well 20-5 Water Elevation and Phosphorus Concentration <br />Well 21-4A Water Elevation and Barium Concentration <br />Well 21-4A Water Elevation and Boron Concentration <br />Division of Minerals and Geology <br />MAY 0 1 2003 L'' <br />Toll Free Customer Service (877) SODA ASH <br />Toll Free Customer Service (866) 4 BICARB <br />General Facsimile (970) 285-6393 <br />Customer Service Facsimile (970) 285-0488 <br />ENV0109.03 <br />v, <br />Delivering a Crystal Clear Advantage <br />www.americansoda.com