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AMERICAN <br />_~0~_A.-__L_~_P_-__~ Ed Cooley <br />Fje3lth, Environment, and Safety Manager <br />Specialist: ESC <br />Pemtit #: M1999002 Confidential?: N~ International Telephone +l (970) 285-6500 <br />Class: Type/Seq.: Toll Free Customer Service (877) SODA ASH <br />From: ~,,v, ~QQ To: j)yYr[~ Toll Free Customer Service (866) 4 BICARB <br />Doc. Name: Zt~ I ~ U ~ ~ ~-~ ,.n_._.L General Facsimile (970) 285-6393 <br />U _ ~ ~_ ~ ' "1"-" r Customer Service Facsimile (970) 285-0488 <br />Date: y-29-~,.' <br />Wednesday, April 28, 2004 ENV091.04 <br />Ms. Erica Crosby RECEIVED <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 APR 2 9 2004 <br />Denver, CO 80203 <br />Bivision of Minerals & Geology <br />Dear Ms. Crosby <br />Enclosed are two copies, as you requested, of American Soda's 14th Operational <br />Quarterly Report in compliance with Hard Rock Mining Operation Permit No. M-99-002. <br />One copy of the document is not bound. This document includes process operational <br />analytical data and environmental ground water monitoring data collected and compiled <br />during our fourteenth quarter of operations, January 1, 2004 through March 31, 2004. <br />The ground water data summary report is spiral bound as anon-confidential document and <br />includes a comparison of the 14th operational quarter with baseline and operational <br />general statistics prior to the current reporting period. In addition, the tables provide <br />information for comparison of Ground Water Standards as provided in Regulation No. 41 <br />of the Colorado Department of Public Health and Environment Water Quality Control <br />Commission 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 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 21-3U Water Elevation <br />Well 21-3U Water Elevation <br />and Barium Concentration <br />and Fluoride Concentration <br />Well 21-3A Water Elevation and Boron Concentration <br />Well 21-3A Water Elevation and Phosphorus Concentration <br />Well 21-36 Water Elevation and Barium Concentration <br />Well 21-36 Water Elevation and Phosphorus Concentration <br />Delivering a Crystal Clear Advantage <br />www.americansoda.com <br />