2002 Estimated County        •
Average Ambient Air Concentration
           -New England-
        Carbon Tetrachloride
                                                   Distribution of U.S.
                                               Ambient Air Concentration
                                              (micrograms per cubic meter)
                                                  Carbon Tetrachloride
                                                            ug/m3

                                                           0.62-0.70

                                                       I   I 0.61
                                                           0.31 -0.60
                                                                 Miles
            Souh: U.S. EPA/ OAQPS 2002 NATA Final. EPA Region 1- CIS Center Map Tracker ID= 6208
vxEPA

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