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OB-1
<br /> Groundwater Elev. Temp. Feld pH Field EC Field Turbidity Lab pH Lab EC Lab TDS Magnesium Calcium Potassium Bicarbonate Sodium Chloride Sulfate Nitrate
<br /> Sample Dates Graphed Date (FT MSL) to C) (pH Units) ( hos/ ) (NTU ) (pH Units) ( hos/ ) (.91L) ( g/L) ( g/L) ( a/L) ( /L) ( g/L) (m9/L) (mg/L) (mg/L)
<br /> 01/27/927001/29/92 January 29,1992 36.49 17.5 7.80 319 8.20 330 228 7.48 24 2.7 163 28.3 3.2 4.2 4.2
<br /> 05/06/92 TO 05/07/92 May 7,1992 38.23 21.0 7.70 306 8.10 350 240 8.6 25 3.3 190 32 4.2 4.5 5.2
<br /> 08104192 TO 0855192 Augusl5.1992 35.03 22.0 7.90 283 8.10 350 230 8.5 24 3.3 470 30 6 9 1.5
<br /> 10/15/92 TO 10/16/92 October 16,1992 35.05 19.8 8.20 310 8.30 350 240 9.6 28 3.1 250 28 3.3 <10 1.5
<br /> 01126193 TO 01/29193 January 29.1993 37.87 19.0 7.60 265 B.10 400 280 15 53 4.3 250 34 8.3 12 2.2
<br /> 4/17/1993 April 27,1993 37.72 20.0 6.80 260
<br /> 07/2653 TO 07/29/93 July 29,1993 36.42 20.5 6.90 515 36.00 7.80 600 390 42 35 28 12.4
<br /> 11/16/93 TO 11/1853 November 18,1993 38.05 20.0 7.00 555 6.50 7.60 600 375 18.7 51 5.2 271 43 33.8 29 14.2
<br /> 03/08/94 TO 03/09/94 March 9,1994 39.27 20.0 6.80 550 3.50 7.60 640 415 44 40.2 34 13.3
<br /> 06/06/94 TO 0659/94 June 9,1994 38.75 20.0 6.50 740 33.70 7.60 883 540 55 70.6 54 23.9
<br /> 09/07/947009/08194 September 8,1994 37.30 20.0 6.40 820 2.60 7.50 880 595 57 73.3 57 26.6
<br /> 12/13/94 TO 12/16/94 December 16,1994 38.17 18.0 6.90 930 4.50 7.60 1,060 685 34 99 6.1 361 69 110 68 42.9
<br /> 02/2855 TO 03/01/95 March 1,1995 38.80 20.0 7.20 1,100 1.80 7.40 1,100 645 71 113 67 42.1
<br /> 0610755 TO 06/0955 June 9,1995 40.85 19.0 7.00 650 1.30 7.90 620 620 31 82 62 424 74 432 45 75.3
<br /> 09/0655 TO 095855 September 8,1995 39.41 20.0 7.00 740 4.40 7.60 900 610 76 28 34 70.9
<br /> 11/15557011/1755 November 17,1995 38.97 20.5 7.20 730 1.60 7.70 956 640 30 83 6.1 412 74 52.2 42 66.4
<br /> 02/13/967002/14/96 February 14,1996 311 20.0 7.40 850 7.60 990 645 74 63.6 46 62
<br /> 05/08/96 TO 0559/96 May 9,1996 44.18 19.0 7.60 910 4.00 7.40 1,000 620 90 48.2 39.8 88.6
<br /> 07/10/967007/11/96 July 11,1996 42.32 20.0 7.20 1,100 1.00 7.80 1,140 745 118 53.2 48.1 102
<br /> 11/12/967011/1456 November 14,1996 39.88 20.0 690 1,100 1.00 7.80 1,140 720 33 96 6.4 387 98 95.9 74.3 70.8
<br /> 03/05/97 TO 035757 March 7,1997 50.36 19.0 7.00 1,200 0.70 8.10 1.080 673 124 52.6 47 66.4
<br /> 05/28/977005/30/97 May 30,1997 45.52 21.0 7.40 900 0.20 7.60 985 630 92 54 47.1 88.6
<br /> 09/03/97700955/97 September 5,1997 40.57 20.5 7.30 1,600 7.55 1,320 845 168 96.9 96.2 71
<br /> 12/1657 TO 12/18/97 December 18,1997 40.32 18.5 7.50 1,300 1.30 7.72 1,320 759 28 69 9 472 152 94.9 97.4 15
<br /> 03/04/98 TO 03/0658 March 6.1998 46.75 17.5 7.30 910 0.90 7.47 1,120 727 133 84.3 85.3 11.4
<br /> 06/09/98 TO 0611158 June 11,1998 45.66 18.0 7.60 460 2.70 7.61 492 324 36 4.37 9.36 5.44
<br /> 09/16/98 TO 09/18/98 September 18,1998 43.67 22.0 7.81 450 0.62 7.64 449 287 34 3.68 5.61 3.63
<br /> 12108/98 TO 12/10/98 December 10,1998 42.60 16.4 7.11 1,400 1.34 7.42 1,090 781 28 79 7 512 152 95.4 104 12.5
<br /> 03/1659 TO 03/18/99 March 18,1999 45.84 16.1 6.80 750 1.40 7.40 697 489 40 28.1 27.5 10.5
<br /> 06/2359 TO 06/25/99 June 25,1999 44.17 22.0 7.36 542 14.50 7.43 484 353 42 28 14.1 7.25
<br /> 09/1559 TO 09/17/99 September 17,1999 41.98 18.1 6.50 442 0.88 7.35 525 363 33 5.01 9.15 6.13
<br /> 11/09/997011/11/99 November 11,1999 40.54 19.1 7.41 1.318 0.73 7.33 1,310 886 32 104 7 468 180 143 139 13.2
<br /> 02108/007002/10100 February 10,2000 40.54 16.4 7.21 1,447 1.69 7.36 1,310 880 173 145 136 13.8
<br /> 05/23/00 TO 05/24/00 May 24,2000 44.15 22.2 6.91 1,201 11.50 7.26 1,260 853 172 123 118 11.9
<br /> 0858/007008/10/00 Augus110,2000 4140 17.4 7.48 1,516 2.48 7.17 1,360 930 185 159 149 13.1
<br /> 10/09/00 TO 10/12/00 October 12,2000 39.84 15.8 7.43 1,462 5.72 7.17 1,310 896 35 97 7 425 180 134 148 12.1
<br /> 01/08/01 TO 01/10/01 January 10,2001 40.26 16.0 7.01 1,126 9.19 7.45 1,260 877 158 142 137 12.3
<br /> 04/09/01 TO 04/1151 April 11,2001 38.86 18.3 7.14 1,431 9.83 7.14 1,490 910 34 94 6 498 177 158 135 9.1
<br /> 07/10/01 7007/12/01 July 12,2001 38.28 20.9 7.37 1.245 14.00 7.18 1,260 775 140 92 129 3.49
<br /> 10/08/01 TO 10/10/01 October 10.2001 36.50 17.1 7.30 1,410 3.30 7.10 1,130 682 173 66 86.6 7.30
<br /> 01/22/02 TO 01/23/02 January 23,2002 38.33 16.5 7.28 1,439 38.00 7.08 1,560 969 166 158 232 11.10
<br /> 05/06/027005/08/02 May 8,2002 39.51 17.5 7.05 1,502 11.00 7.23 1,630 1,010 172 163 196 12.90
<br /> 07/23/02 TO 07/24/02 July 24,2002 38.10 18.9 7.06 1,444 8.50 928 200 124 145 12.10
<br /> 10/07/02701059/02 October 9,2002 37.60 23.8 7.19 1,526 6.00 7.28 1,570 982 32 90 6 478 172 144 147 4.71
<br /> 01/28537001/30/03 January 30,2003 38.21 15.5 7.07 1,596 4.40 7.63 1,720 1,020 214 153 174 14.90
<br /> 04129/03 TO 0551/03 May 1,2003 39.79 19.2 6.93 1,737 11.50 7.09 1,760 1,020 36 97 9 486 192 184 192 13.50
<br /> 0712153 TO 07/23/03 July 23.2003 38.92 21.4 7.18 1,441 1.60 7.39 1,470 900 195 122 156 9.63
<br /> 10/28/03 TO 10/30/03 October 30,2003 38.14 20.5 7.21 1,263 7.70 7.24 1,390 833 131 119 136 9.13
<br /> 01/19/04 TO 0112254 January 22,2004 37.24 17.1 6.76 1,433 4.60 7.23 1,550 970 157 154 166 11.20
<br /> 04/12/04 TO 04/15/04 April 15,2004 37.97 18.4 7.18 1,435 1.30 7.33 1,470 953 160 137 149 11.4
<br /> 07/12/047001/15104 July 15,2004 38.73 19.5 7.12 1,370 6.31 7.38 1,560 1,010 134 192 289 11.9
<br /> 10111104 TO 10/14/04 October 14,2004 37.64 19.4 7.05 1,637 1.52 7.20 1,620 1,030 43 124 13 515 166 145 169 12.0
<br /> 01/25/057001/27/05 January 26,2005 37.97 18.5 7.20 1,570 10.15 7.20 1,700 1,200 170 170 190 13.0
<br /> 04118/05 TO 04121/05 Apd118,2005 37.49 18.5 7.15 1,487 19.50 7.20 1,500 960 170 110 170 9.8
<br /> 07/1155 TO 07/13/05 July 11,2005 40.47 19.1 7.10 1,458 5.60 7.40 1,400 940 160 120 130 10.0
<br /> 10/11/05 TO 10/13/05 October 11,2005 39.41 19.3 7.02 1,674 7.32 7.20 1,700 1,100 48 140 7.7 450 180 130 180 13.0
<br /> 01/23/06 TO W251DIS January 25,2006 45.68 17.0 6.75 1,754 1.14 7.11 1,800 1,100 190 160 190 12.0
<br /> 04/10/067004/13/06 Apri110,2006 47.91 18.4 6.86 1.782 11.20 7.20 1,900 1,330 200 190 150 11.0
<br /> 07/17/067007/20/06 July 17,2006 47.11 20.9 7.31 1,913 5.01 7.00 2,000 1,200 200 200 150 11.0
<br /> 1011656 TO 10119106 October 16,2006 44.40 17.1 7.10 1,831 7.15 7.42 1,700 1,100 48 140 7.7 690 200 190 150 52.0
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