2002 Estimated County • Average Ambient Air Concentration -New England- Arsenic Distribution of U.S. Ambient Air Concentration (micrograms per cubic meter) Arsenic 0.00099-0.0085 0.00065 - 0.00098 0.00035 - 0.00064 0.00017-0.00034 0.00015-0.00016 0.000035-0.00014 Miles AFPA Source: U.S. EPA/ OAQPS 2002 NATA. EPA Region 1- CIS Center Map Tracker ID= 4993 ^^^^ *» ------- |