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Legend (OAR_OAQPS/2014_NATA_Risks)

Cancer Risk (0)
6 - 25 6 - 25
25 - 50 25 - 50
50 - 75 50 - 75
75 - 100 75 - 100
> 100 > 100
Zero Pop Tracts Zero Pop Tracts
Noncancer Hazard Index (1)
0.06 - 0.2 0.06 - 0.2
0.2 - 0.4 0.2 - 0.4
0.4 - 0.6 0.4 - 0.6
0.6 - 0.8 0.6 - 0.8
0.8 - 1 0.8 - 1
> 1 > 1
Zero Pop Tracts Zero Pop Tracts
Ambient Concentration (2)
0.11 - 0.94 0.11 - 0.94
0.95 - 1.3 0.95 - 1.3
1.4 - 1.6 1.4 - 1.6
1.7 - 2.0 1.7 - 2.0
2.1 - 15 2.1 - 15