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Eisenhower Park Air Monitoring Site Trends (1987-2007)

Eisenhower Park Acid Deposition Data, 1987 - 2007
Year Precip.
in
pH [SO4]
ippm
[NO3]
ippm
[NH4]
ippm
SO4 Dep.
kg/ha
NO3 Dep.
kg/ha
NH4 Dep.
kg/ha
1987 36.70 4.20 3.97 2.67 0.21 37.00 24.85
1988 50.04 4.38 2.39 1.42 0.29
1989 66.80 4.25 2.27 1.25 0.26
1990 55.50 4.17 3.10 2.11 0.43 43.72 29.81 6.03
1991 37.50 4.26 2.40 1.67 0.37 22.88 15.89 3.52
1992 40.37 4.28 2.58 1.68 0.38 26.46 17.25 3.88
1993 34.48 4.21 2.67 1.57 0.37 23.41 13.79 3.21
1994 30.48 4.46 2.10 1.37 0.43 16.29 10.58 3.36
1995 35.82 4.55 1.50 1.30 0.36 13.63 11.80 3.27
1996 46.48 4.47 1.78 1.17 0.32 21.21 13.85 3.82
1997 40.01 4.36 1.89 1.37 0.34 19.18 13.92 3.42
1998 33.93 4.46 1.68 1.20 0.32 15.84 11.33 2.97
1999 34.35 4.52 1.41 0.91 0.24 12.26 7.97 2.08
2000 42.98 4.47 1.62 1.41 0.36 17.65 15.39 3.96
2001 33.89 4.40 1.64 1.61 0.34 14.10 13.87 2.96
2002 46.63 4.56 1.38 1.14 0.25 16.35 13.44 2.98
2003 50.06 4.55 1.25 1.08 0.26 15.72 13.74 3.28
2004 42.77 4.51 1.53 1.29 0.27 16.47 13.98 2.93
2005 49.63 4.63 1.30 1.05 0.27 16.45 13.30 3.41
2006 60.04 4.57 1.67 1.11 0.33 25.49 16.92 5.09
2007 53.23 4.55 1.80 1.00 0.28 24.20 13.51 3.77

Blanks indicate that the rainfall criteria were not satisfied. That is, analysis of at least 75% of the annual and 50% of the quarterly precipitation.

Graphic of Ph and Ion concentration for Eisenhower Park station from 1987 to 2007 Precipitation and ion deposition for Eisenhower Park Station from 1987 to 2007