2002 Estimated County • Average Ambient Air Concentration -New England- Arsenic Distribution of U.S. Ambient Air Concentration (micrograms per cubic meter) Arsenic ug/m 9.79e-004 - 9.22e-003 6.13e-004-9.76e-004 2.87e-004-6.13e-004 1.61 e-004-2.86e-004 1.40e-004-1.61 e-004 6.70e-005-1.40e-004 U.S. Highest 100 95 : Source: U.S. EPA/ OAQPS 2002 NATA Final. EPA Region 1- CIS Center Map Tracker ID= 6280 ------- |