2002 Estimated County
  Average Cancer Risk
     -New England-
      1,3- Butadiene
                                X
                                        ME
            VT
                 NH

                MA
             ICT,
    County Average Lifetime
Cancer Risk Due to 1,3- Butadiene
       I above 100 in a million
        30.0- 100 in a million
        10.0-30 in a million
        3.0- 10 in a million
        1.0 - 3 in a million
        0.30 - 1 in a million
        0 - 0.3 in a million
     ~~ ~ Interstate
                                               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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