2002 Estimated County        •
Average Ambient Air Concentration
           -New England-
               Acrolein
                                                   Distribution of U.S.
                                                Ambient Air Concentration
                                              (micrograms per cubic meter)
                                                        Acrolein
                                                              ug/m3
                                                          2.3 - 3.9
                                                          8.7e-02 - 2.2
                                                          3.2e-02 - 8.6e-02
                                                          6.8e-03 - 3.1e-02
                                                          3.5e-05 - 6.7e-03

                                                          Interstate
                                                           N
                                                      0  10  20 30 40 50
                                         *£
                                                                 I Miles
Source: U.S. EPA/ OAQPS 2002 NATA. EPA Region 1- CIS Center Map Tracker ID= 4993
                                                                &EPA

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