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OB-20
<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 /> DATE 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 36.88 19.3 7.50 740 7.80 699 426 12.2 38.7 3.5 234 64.7 38.9 55.3 9.1
<br /> 05/06/92 TO 05107/92 May 7,1992 38.53 21.5 7.40 416 7.90 1,100 410 32 100 4 230 66 61 67 5.2
<br /> 08/04/92 TO 08/05/92 August 5,1992 34.42 26.0 7.10 217 7.80 970 600 22 68 3.1 300 64 82 81 0.36
<br /> 10/15/92 TO 10/16/92 October 16,1992 35.45 20.0 7.20 785 7.90 910 510 22 68 3.7 470 64 80 80 0.45
<br /> 01/26/93 TO 01/29/93 January 29,1993 37.86 20.5 7.50 695 7.90 940 550 34 150 5.8 340 70 83 80 2.1
<br /> 4/27/1993 April 27,1993 39.35 20.0 7.10 445
<br /> 07/26/93 TO 07/29/93 July 29,1993 35.67 20.0 7.00 1,500 24 7.50 1,400 850 135 233 138 3.5
<br /> 11/16/93 TO 11/18/93 November 18,1993 38.76 20.0 7.20 2,000 8.9 7.30 2,100 1,270 52 148 5.9 462 209 326 205 0.4
<br /> 03/08/94 TO 03/09/94 March 9,1994 40.30 21.0 6.50 2,000 20.4 6.90 140 112 11.6 10 9 2.6
<br /> 06/06/94 TO 06/09/94 June 9,1994 39.10 22.0 6.90 1,900 12.7 7.70 1,260 810 165 94 192 <0.4
<br /> 09/07/94 TO 09/08/94 September 8,1994 37.02 22.0 6.80 870 3.2 7.60 1,010 655 139 53 148 <0.4
<br /> 12/13/94 TO 12/16/94 December 16,1994 39.00 18.5 7.40 260 30.1 7.60 318 200 5.8 22 2.1 123 34 15.9 23 6.2
<br /> 02/28/95 TO 03/01/95 March 1,1995 39.98 21.0 6.70 180 19.2 7.20 120 75 7.9 3.9 5.4 5.8
<br /> 06/07/95 TO 06/09/95 June 9,1995 41.68 21.5 7.40 350 4.6 7.90 580 385 10.2 33 2.5 215 77 28 80 3.1
<br /> 09/06/95 TO 09/08/95 September 8,1995 41.00 26.0 7.20 435 2.7 7.70 509 350 67 24.9 73 11.1
<br /> 11/15/95 TO 11/17/95 November 17,1995 39.99 25.0 6.90 860 1.4 7.60 1,460 885 30 88 4 345 170 199 169 4
<br /> 02/13/96 TO 02/14/96 February 14,1996 41.29 24.0 6.60 90 6.50 40 50 0.8 <2 <2 4
<br /> 05/06/96 TO 05/09/96 May 9,1996 44.69 19.0 7.30 400 23.6 8.00 381 240 34 51.3 16.7 4.9
<br /> 07/10/96 TO 07/11/96 July 11,1996 42.24 20.5 7.40 1,400 1.1 8.00 1,390 840 160 182 136 <0.4
<br /> 11/12/96 TO 11/14/96 November 14,1996 39.57 19.5 6.90 1,000 5 7.80 815 490 15 49 2.9 257 108 71.8 78.6 12.4
<br /> 03/05/97 TO 03/07/97 March 7,1997 53.65 14.0 6.90 580 4.6 8.00 700 428 90 56.4 95.3 2.6
<br /> 05/28/97 TO 05/30/97 May 30,1997 45.30 18.5 7.30 890 1.5 7.50 1,130 705 134 145 111 1.3
<br /> 09/03/97 TO 09/05/97 September 5,1997 40.38 20.0 7.50 1,350 7.59 1,330 790 159 173 130 0.9
<br /> 12/16/97 TO 12/18/97 December 18,1997 41.81 19.0 6.90 80 6.6 6.65 50 45 <1 7 <1 20 2 1.79 2.17 1.01
<br /> 03/04/98 TO 03/06/98 March 6,1998 49.52 16.5 7.50 125 8.2 6.67 89 65 5 4.93 5.17 0.45
<br /> 06/09/98 TO 06/11/98 June 11,1998 46.58 19.0 7.30 350 11.8 7.29 345 218 33 22.3 35.4 0.97
<br /> 09/16/98 TO 09/18/98 September 18,1998 44.29 23.5 7.59 440 0.76 7.39 470 265 51 30.6 44.6 0.6
<br /> 12/08/98 TO 12/10/98 December 10,1998 44.51 19.9 7.00 70 8.64 6.31 18 44 1 6 1 15 2 1.27 2.28 1.23
<br /> 03/16/99 TO 03/18/99 March 18,1999 47.96 18.0 5.98 210 11.05 6.55 80 64 7 6.49 4.18 0.76
<br /> 06/23/99 TO 06/25/99 June 25,1999 43.69 23.9 7.43 515 4.43 7.40 475 317 60 69 39.2 0.33
<br /> 09/15/99 TO 09/17/99 September 17,1999 41.26 17.4 7.64 678 34.6 7.72 798 530 97 99.7 83.1 1.39
<br /> 11/09/99 TO 11/11/99 November 11,1999 40.86 18.5 7.81 816 28.3 8.11 774 500 17 60 4 300 104 98.8 75.3 1.3
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