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OB-5
<br /> Groundwater Elev. Temp. Field 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) (Degreesc) (pH Units) (umhos/cm) (NTUs) (pH Units) (umhos/cm) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
<br /> 01/27/92 TO 01/29/92 January 29,1992 36.85 17.3 6.90 933 7.20 1,070 666 20.7 52.2 8.2 259 118 105 72.4 69.3
<br /> 05106/92 TO 05/07/92 May 7,1992 40.04 22.8 6.80 1,027 7.10 1,300 720 23 60 8.4 300 130 150 89 42
<br /> 08/04/92 TO 08/05/92 August 5,1992 35.85 20.3 6.60 922 7.10 1,530 970 27 71 8.7 320 140 220 130 12
<br /> 10/15/92 TO 10/16/92 October 16,1992 36.23 19.0 7.30 1,200 6.80 1,480 810 25 67 8.7 340 140 190 100 7.7
<br /> 01/26/93 TO 01/29193 January 29,1993 38.65 18.5 6.60 800 7.30 1,240 650 28 72 9.8 280 140 140 56 27
<br /> 4/27/1993 April 27,1993 38.34 20.0 6.80 660
<br /> 07/26/93 TO 07/29/93 July 29,1993 37.08 19.5 6.70 960 18.00 7.00 1,050 610 126 138 30 28.8
<br /> 11/16/93 TO 11/18/93 November 18,1993 39.40 18.0 6.60 1,200 5.70 6.80 1,170 710 27 68 9.6 307 135 150 63 44.3
<br /> 03/08/94 TO 03/09/94 March 9,1994 40.86 20.0 6.50 2,250 11.50 6.70 2,480 1,590 208 327 255 142
<br /> 06/06/94 TO 06/09/94 June 9,1994 39.87 21.0 6.70 1,150 16.80 6.90 1,170 740 139 136 68 57.6
<br /> 09/07/94 TO 09/08/94 September 8,1994 37.97 20.0 6.70 1,250 2.80 6.90 1,200 750 130 142 37 31
<br /> 12113/94 TO 12/16/94 December 16,1994 39.23 19.0 6.70 1,100 11.20 7.00 1,550 980 36 99 10.5 448 163 179 102 57.6
<br /> 02/28/95 TO 03/01/95 March 1,1995 39.43 19.0 6.70 1,950 5.30 6.80 1,840 1,160 194 206 170 93
<br /> 06/07/95 TO 06/09/95 June 9,1995 42.29 19.0 6.70 2,200 1.20 7.20 1,390 1,390 62 166 12.6 545 183 217 216 168
<br /> 09/06/95 TO 09/08/95 September 8,1995 39.49 21.0 6.80 1,900 1.90 7.00 2,060 1,380 180 211 281 142
<br /> 11/15/95 TO 11/17/95 November 17,1995 39.40 19.0 6.80 1,950 7.70 7.20 2,000 1,320 55 156 11 497 188 200 264 106
<br /> 02/13/96 TO 02/14/96 February 14,1996 40.88 19.5 6.90 1,950 7.10 2,030 1,320 212 236 304 44.3
<br /> 05/08/96 TO 05/09/96 May 9,1996 45.02 20.0 7.20 2,150 2.00 7.50 1,920 1,240 194 232 295 9.3
<br /> 07/10/96 TO 07/11/96 July 11,1996 42.75 20.5 6.70 2,050 9.90 7.40 2,010 1,320 184 254 290 75.3
<br /> 11/12196 TO 11/14/96 November 14,1996 40.52 18.0 6.00 1,800 1.20 7.20 1,900 1,200 46 133 8.4 306 202 268 268 64.2
<br /> 03/05/97 TO 03/07/97 March 7,1997 53.07 14.5 6.70 320 2.80 7.60 277 181 16.9 11.1 19.5 18.2
<br /> 05/28/97 TO 05/30/97 May 30,1997 45.71 18.5 6.80 1,300 0.20 7.00 1,390 915 108 153 198 84.2
<br /> 09/03/97 TO 09/05/97 September 5,1997 40.47 19.0 6.80 1,400 7.00 1,380 800 135 182 51.1 93
<br /> 12/16/97 TO 12/18/97 December 18,1997 41.22 17.0 7.00 1,350 0.80 7.14 1,380 783 31 86 10 371 122 173 45.1 12.7
<br /> 03/04/98 TO 03/06/98 March 6,1998 49.73 16.0 6.80 1,400 0.60 6.93 1,280 794 130 174 85.2 9.33
<br /> 06/09/98 TO 06/11/98 June 11,1998 46.07 18.0 7.30 890 6.40 7.06 1,270 830 93 132 151 15.8
<br /> 09/16/98 TO 09/18/98 September 18,1998 44.09 20.5 6.85 1,500 0.53 7.03 1,470 952 134 60.8 93.4 4.07
<br /> 12/08/98 TO 12/10/98 December 10,1998 43.92 15.8 6.60 1,700 3.47 6.86 1,440 1,020 35 107 8 317 170 149 180 27.7
<br /> 03/16/99 TO 03/18/99 March 18,1999 47.32 17.4 6.47 2,000 21.50 6.87 1,530 1,040 133 15.8 17.2 17.8
<br /> 06/23/99 TO 06/25/99 June 25,1999 44.73 21.7 6.86 1,442 0.13 6.81 1,340 968 141 165 226 28.4
<br /> 09/15/99 TO 09/17/99 September 17,1999 41.52 22.3 6.96 1,076 1.28 6.74 1,400 974 176 181 196 11.3
<br /> 11/09/99 TO 11/11/99 November 11,1999 40.35 16.7 6.86 1,457 1.01 6.81 1,360 957 31 92 7 273 179 195 206 17.3
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