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Mr. Allen Sorenson <br />October 30, 2002 <br />Page 3 <br />ENV 124.02 <br />The barium concentration at Well 19-2 remains intermittently above the early warning <br />indicator value. As data for this well is evaluated, it may be important to consider that <br />during the core drilling of this well the drilling rig burned as a result of natural gas. Various <br />materials were used during the emergency situation to help stem the flow of gas fueling the <br />fire. It is likely that elevated barium in this well is resultant from possible residual barium <br />containing materials used down hole to curtail the escaping gas. <br />American Soda is required to sample well field injection and production streams for water <br />quality chemical constituents. These samples were collected during the quarter and this <br />data is provided to you in tables as a separate attachment. The injection and production <br />stream data is clearly marked as Confidential Business Information. <br />Should you have any questions or comments regarding this information, please contact me <br />at (970) 285-0407 or Celina Akin at (970) 2B5-0406. <br />Sincerely, <br />~~~ , <br />Ed Cooley ~' <br />Health, Environr/nent, and Safety Manager <br />EC/CMA <br />Enclosures 1. Eighth quarter Operational Phase I Ground Water Monitoring Report <br />2. Process Injection and Production Stream Water Duality Data Summary <br />Cc: Kent Walter, BLM w/enclosures <br />Ken Phillips, EPA w/enclosures <br />