2002 Estimated County         
Average Ambient Air Concentration
            -New England-
                 Benzene
                                                         Distribution of U.S.
                                                     Ambient Air Concentration
                                                    (micrograms per cubic meter)
                                                               Benzene
                                                 U.S. Highest 100

                                                         95
1.61 -5.24
1.32-1.61
8.88e-001 -1.32
5.62e-001 - 8.87e-001
2.90e-001 - 5.62e-001
1.216-001 -2.896-001
                                                 Percentile  75
             Source: U.S. EPA/ OAQPS 2002 NATA Final. EPA Region 1- CIS Center Map Tracker ID= 6208

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