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The fluid level data is used to adjust the injection/recovery flow rates as necessary to return <br />• or maintain the Dissolution Surface aquifer potientiometric level at premining historical <br />levels. <br />The following is raw water pumpage from well 90-1 with a 2003 average of 50.7 gpm: <br />Jan_03 Feb.03 Mar. 03 A ro it 03 Mav 03 June 03 <br />Pumpage(gal.) 2,788,692 1,696,950 2,18A,098 2,193,800 2,127,200 2,418,214 <br />Average (g.p.m.) 62.5 42.1 48.9 50.8 47.7 56.0 <br />Ju~D3 Aug.03 Seot.03 Oct. 03 Nov. 03 Dec. 03 <br />Pumpage(gal.) 2,341,200 2,245,072 2,549,419 2,588,959 1,821,969 1,614,664 <br />Average (g.p.m.) 50.8 54.3 59.0 57.9 42.4 36.2 <br />• 4.3.2 Production Wells <br />No chloride contamination has been detected in cavities #1 A, 5H or 6H. Slight chloride <br />influx has been detected in cavity #4A. This influx is easily controlled with the dilution <br />created during plant operation. <br />All production wells had surface mud/cement levels (annulus) at surface throughout the <br />year per original UIC permit requirements. <br />• 17 <br />