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AMERICAN <br />SODA,LLP <br />Ed Cooley <br />Health, Environment, and Safety Manager <br />2717 County Road 215 <br />Parachute. CO 81635 <br />Thursday, July 29, 2004 <br />Ms. Erica Crosby <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver. CO 80203 <br />Dear Ms. Crosby: <br />RECEIVED <br />JUL ~ 0 2004 <br />Division ~f Minerals and Geology <br />ENV166.04 <br />Enclosed are two copies, as you requested, of American Soda's 15th 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 fifteenth quarter of operations, April 1, 2004 through June 30, 2004. <br />The ground water data summary report is spiral bound as anon-confidential document and <br />includes a comparison of the 15th 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 Eariy 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 and Barium Concentration <br />Well 21-3A Water Elevation and Boron Concentration <br />Well 21-3A Water Elevation and Phosphorus Concentration <br />Specialist: ESC <br />Pemut~#t: M1999002 Confidential?: t00 <br />Class: `1U~~~ T}pe/Seq.: <br />D t From: rl'~Y1C11CQ,Yt q To: DV`yl~ '. - QG ~I1~ <br />Doc. Name: Isiry. ~~ MU~t~hmvW ~--'" _ <br />Date: ~ _ ~_ L ,~ <br />International Telephone +1 (970) 285-6500 <br />Toli 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 />