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Summary of the <br />following tables. <br />• A-6 Well: <br />indicator parameters for each ground water site is provided in the <br />Parameter Mean aea Range Max. Min. Max at Min at Trend <br />Lab pH 7.51 0.3449 1.9 8.6 6.7 11/30/93 11/21/02 Decreasing <br />Lab Cond. 1113.90 86.8201 510 1440 930 05/01/85 04/27/98 Increasin <br />TDS 690.37 79.9342 510 930 420 07/17/01 03/13/93 Increasing <br />Sulfate 148.57 62.4582 334.2 430 95.8 07/17/01 OS/15/Ofl Increasin <br />Calcium 65.04 20.6761 121.7 169 47.9 11/18/97 11/12/Ofl Increasing <br />Iron 0.33 0.3782 1.47 1.48 0.01 09/26/98 11/18/97 Decreasing <br />Magnesium 57.12 19.2938 127 169 42 11/18/97 08/19/82 Increasing <br />Sodium 117.39 19.9360 121.1 139 17.9 10/13/99 04/27/98 Decreasing <br />Elevation 6897.80 2.9471 14 6902 6888 05/01/85 07/31/00 Decreasing <br />• NGSW: <br />Parameter Mean aea Range Max. Min. Max at Min a1: Trend <br />Lab pH 7.69 0.30 1.7 8.5 6.8 08/19/91 10/03/00 Decreasing <br />Lab Cond. 1894.00 268.36 1550 2700 1150 10/17/91 04/27/98 Decreasing <br />TDS 1513.45 241.44 1096 1876 780 05/30/90 04/27/98 Decreasin <br />Sulfate 732.31 164.27 898 1185 287 08/19/91 04/27/98 Decreasing <br />Calcium 158.61 29.19 130.3 223 92.7 09/27/90 10/08!93 Decreasing <br />Iron 0.47 0.69 3.98 3.99 0.01 4/27/98 10/21/0:? Decreasing <br />Magnesium 157.29 29.36 154 230 76 09/27/90 04/27/98 Decreasing <br />Sodium 83.49 17.56 140.3 172 31.7 11/18/97 04/27/98 Increasing <br />Elevation 6535.05 2.05 10.85 6540.65 6529.8 03/13/93 08/31/04 Decreasing <br />• Gossard Well: <br />Parameter Mean aea Range Max. Min. Max at Min at Trend <br />Lab H 7.87 0.30 1.6 8.6 7 08/19/91 10/21/02 Decreasing <br />Lab Cond. 1837.74 195.36 990 2350 1360 10/17/91 03/29%85 Increasing <br />TDS 1286.93 157.05 668 1630 962 05/23/95 03/13/93 Increasin <br />Sulfate 476.11 93.16 416 780 364 05/23/95 03/29/85 Increasing <br />Calcium 100.77 20.03 158 170 12 05/23/95 11/30/93 Increasing <br />Iron 1.37 3.98 28.99 29 0.01 11/19/90 10/21N2 Decreasin <br />Ma esium 121.63 21.21 157 172 15 05/23/95 11/30/93 Increasing <br />Sodium 156.37 25.76 181 200 19 03/27/90 11/30/93 Decreasing <br />Elevation 6328.30 2.68 14 6339.09 6325.09 10/03/00 03/28/91 Increasin <br />CF 17.14 2004 <br />