2002 Estimated County         •
Average Ambient Air Concentration
            -New England-
              Ac etaldehyde
                                                           w
                                                  ME
                                                              _,  J»-
                                                              &«>:•
                                                         Distribution of U.S.
                                                     Ambient Air Concentration
                                                    (micrograms per cubic meter)
                                                            Acetaldehyde

                                                                  ug/m
                                                                 1.69-5.32
                                                                 1.40-1.68
                                                                 8.786-001 -1.39
                                                                 6.64e-001 - 8.77e-001
                                                                 2.59e-001 -6.63e-001
                                                                 1.236-001 -2.586-001
                               U.S. Highest too

                                        95
                                        90
                                        50
                                        25
                                                                        I Miles
             Source
 *fr£kP
U.S. EPA/ OAQPS 2002 NATA Final. EPA Region 1- CIS Center Map Tracker ID= 6280

-------