From: Kriged and modeled ambient air levels of benzene in an urban environment: an exposure assessment study
Percentile
1999 ASPEN Modeled Estimate (ppbV)
1998-2000 Kriged Predicted Value (ppbV)
Maximum
2.83
0.89
99%
1.78
0.88
95%
1.35
0.87
90%
1.09
0.85
75%
0.84
0.81
50%
0.62
0.74
25%
0.51
0.68
10%
0.44
0.64
5%
0.40
1%
0.34
0.60
Minimum
0.26
0.58