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OB-4
<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) (Degrees C) (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 36.46 16.0 7.40 1,571
<br /> 05/06/92 TO 05/07/92 May 7,1992 35.03 17.8 7.20 803
<br /> 08/04/92 TO 08/05/92 August 5,1992 33.28 17.8 7.20 461
<br /> 10/15/92 TO 10/16/92 October 16,1992 33.24 17.5 6.60 1,500
<br /> 01/26/93 TO 01/29/93 January 29,1993 37.35 17.2 7.20 1,650
<br /> 4/27/1993 April 27,1993
<br /> 07/26/93 TO 07129/93 July 29,1993 34.21 20.0 7.00 2,300 9.00 7.20 2,200 1,380 170 263 275 26.6
<br /> 11/16/93 TO 11/18193 November 18,1993
<br /> 03/08/94 TO 03/09/94 March 9,1994
<br /> 06/06/94 TO 06/09/94 June 9,1994
<br /> 09/07/94 TO 09/08/94 September 8,1994
<br /> 12/13/94 TO 12/16/94 December 16,1994
<br /> 02/28/95 TO 03/01195 March 1,1995
<br /> 06107/95 TO 06/09/95 June 9,1995 37.44 21.0 7.10 2,350 10.70 7.50 1,480 1,480 49 172 10.6 576 241 265 318 <0.4
<br /> 09/06/95 TO 09/08/95 September 8,1995 35.32 20.5 7.00 2,300 8.50 7.30 2,720 1,800 304 342 435 <0.4
<br /> 11/15/95 TO 11/17/95 November 17,1995 37.42 18.5 7.00 2,800 6.20 7.40 2,870 1,920 66 224 10 640 313 356 480 <0.4
<br /> 02/13/96 TO 02/14/96 February 14,1996 38.88 19.0 7.00 2,300 7.30 2,830 1,900 310 375 490 2.6
<br /> 05/08/96 TO 05/09/96 May 9,1996 42.80 18.0 7.20 2,550 5.50 7.50 2,530 1,700 294 315 429 0.9
<br /> 07/10/96 TO 07/11/96 July 11,1996 37.08 19.0 7.00 2,300 8.20 7.60 2,480 1,660 276 289 406 0.4
<br /> 11/12/96 TO 11/14/96 November 14,1996
<br /> 03/05/97 TO 03/07/97 March 7,1997
<br /> 05/28/97 TO 05/30/97 May 30,1997
<br /> 09/03/97 TO 09/05/97 September 5,1997 39.63 19.0 7.10 2,250 7.16 2,250 1,420 294 298 210 <0.4
<br /> 12/16/97 TO 12/18/97 December 18,1997 38.90 17.0 7.40 2,200 6.30 7.44 2,530 1,570 55 152 16 706 292 291 277 <0.08
<br /> 03/04/98 TO 03/06/98 March 6,1998 48.37 18.0 7.30 70 27.90 6.46 65 69 4 2.12 2.88 <0.08
<br /> 06/09/98 TO 06/11198 June 11,1998 44.01 19.0 6.40 430 14.30 6.28 176 148 10 7.9 0.6 0.15
<br /> 09/16/98 TO 09/18/98 September 18,1998 41.67 19.5 7.13 1,600 13.32 7.24 1,750 1,070 196 159 141 <0.25
<br /> 12/08/98 TO 12110/98 December 10,1998 40.86 16.0 7.03 1,650 7.18 7.16 1,310 931 15 75 17 415 211 166 153 0.25
<br /> 03/16/99 TO 03/18/99 March 18,1999 45.76 19.2 6.53 2,000 103.90 6.92 1,090 681 144 15.8 6.02 0.08
<br /> 06/23/99 TO 06/25/99 June 25,1999 40.52 16.7 6.82 1,812 63.00 7.22 1,610 1,200 220 243 287 <0.25
<br /> 09/15/99 TO 09/17/99 September 17,1999 37.65 19.6 7.11 1,255 46.50 7.04 1,590 1,070 245 212 57.2 3.6
<br /> 11/09/99 TO 11/11/99 November 11,1999 41.06 19.0 6.86 1,575 51.50 6.81 1,600 1,010 21 83 19 605 268 247 8.94 <0.25
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