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OB-1
<br /> Summary-Data Table
<br /> Groundwater Field Nitrate as
<br /> Elevation Temp. Field pH Field EC Turbidity Lab pH Lab EC Lab TDS TKN Nitrogen
<br /> Date (FT.,MSL) (Degrees C) (pH Units) (umhos/cm) (NTUs) (pH Units) (umhos/cm) (mg/L) (mg/L) (mg/L)
<br /> January 29,1992 36.49 17.5 7.80 319 8.20 330 228 4.2
<br /> May 7,1992 38.23 21.0 7.70 306 8.10 350 240 5.2
<br /> August 5,1992 35.03 22.0 7.90 283 8.10 350 230 1.5
<br /> October 16,1992 35.05 19.8 8.20 310 8.30 350 240 1.5
<br /> January 29,1993 37.87 19.0 7.60 265 8.10 400 280 2.2
<br /> April 27,1993 37.72 20.0 6.80 260
<br /> July 29,1993 36.42 20.5 6.90 515 36.00 7.80 600 390 2.8
<br /> November 18,1993 38.05 20.0 7.00 555 6.50 7.60 600 375 3.2
<br /> March 9,1994 39.27 20.0 6.80 550 3.50 7.60 640 415 3.0
<br /> June 9,1994 38.75 20.0 6.50 740 33.70 7.60 883 540 5.4
<br /> September 8,1994 37.30 20.0 6.40 820 2.60 7.50 880 595 6.0
<br /> December 16,1994 38.17 18.0 6.90 930 4.50 7.60 1,060 685 9.7
<br /> March 1,1995 38.80 20.0 7.20 1,100 1.80 7.40 1,100 645 9.5
<br /> June 9, 1995 40.85 19.0 7.00 850 1.30 7.90 620 620 17.0
<br /> September 8, 1995 39.41 20.0 7.00 740 4.40 7.60 900 610 16.0
<br /> November 17, 1995 38.97 20.5 7.20 730 1.60 7.70 956 640 15.0
<br /> February 14,1996 39.99 20.0 7.40 850 7.60 990 645 14.0
<br /> May 9, 1996 44.18 19.0 7.60 910 4.00 7.40 1,000 620 20.0
<br /> July 11, 1996 42.32 20.0 7.20 1,100 1.00 7.80 1,140 745 23.0
<br /> November 14, 1996 39.88 20.0 6.90 1,100 1.00 7.80 1,140 720 16.0
<br /> March 7, 1997 50.36 19.0 7.00 1,200 0.70 8.10 1,080 673 15.0
<br /> May 30, 1997 45.52 21.0 7.40 900 0.20 7.60 985 630 20.0
<br /> September 5,1997 40.57 20.5 7.30 1,600 7.55 1,320 845 16.0
<br /> December 18,1997 40.32 18.5 7.50 1,300 1.30 7.72 1,320 759 15
<br /> March 6,1998 46.75 17.5 7.30 910 0.90 7.47 1,120 727 11.4
<br /> June 11,1998 45.66 18.0 7.60 460 2.70 7.61 492 324 5.44
<br /> September 18,1998 43.67 22.0 7.81 450 0.62 7.64 449 287 3.63
<br /> December 10,1998 42.60 16.4 7.11 1,400 1.34 7.42 1,090 781 12.5
<br /> March 18,1999 45.84 16.1 6.80 750 1.40 7.40 697 489 10.5
<br /> June 25,1999 44.17 22.0 7.36 542 14.50 7.43 484 353 7.25
<br /> September 17,1999 41.98 18.1 6.50 442 0.86 7.35 525 363 6.13
<br /> November 11,1999 40.54 19.1 7.41 1,318 0.73 7.33 1,310 886 13.2
<br /> February 10,2000 40.54 16.4 7.21 1,447 1.69 7.36 1,310 880 13.8
<br /> May 24,2000 44.15 22.2 6.91 1,201 11.50 7.26 1,260 853 11.9
<br /> August 10,2000 41.40 17.4 7.48 1,516 2.48 7.17 1,360 930 13.1
<br /> October 12,2000 39.84 15.8 7.43 1,462 5.72 7.17 1,310 896 12.1
<br /> January 10,2001 40.26 16.0 7.01 1,126 9.19 7.45 1,260 877 12.3
<br /> April 11,2001 38.86 18.3 7.14 1,431 9.83 7.14 1,490 910 9.1
<br /> July 12,2001 38.28 20.9 7.37 1,245 14.00 7.18 1,260 775 3.49
<br /> October 10,2001 36.50 17.1 7.30 1,410 3.30 7.10 1,130 682 7.30
<br /> January 23,2002 38.33 16.5 7.28 1,439 38.00 7.08 1,560 969 11.10
<br /> May 8,2002 39.51 17.5 7.05 1,502 11.00 7.23 1,630 1,010 12.90
<br /> July 24,2002 38.10 18.9 7.06 1,444 8.50 928 12.10
<br /> October 9,2002 37.60 23.8 7.19 1,526 6.00 7.28 1,570 982 4.71
<br /> January 30,2003 38.21 15.5 7.07 1,596 4.40 7.63 1,720 1,020 14.90
<br /> May 1,2003 39.79 19.2 6.93 1,737 11.50 7.09 1,760 1,020 13.50
<br /> July 23,2003 38.92 21.4 7.18 1,441 1.60 7.39 1,470 900 9.63
<br /> October 30,2003 38.14 20.5 7.21 1,263 7.70 7.24 1,390 833 9.13
<br /> January 22,2004 37.24 17.1 6.76 1,433 4.60 7.23 1,550 970 11.20
<br /> April 15,2004 37.97 18.4 7.18 1,435 1.30 7.33 1,470 953 11.4
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