2002 Estimated County Average Ambient Air Concentration -New England- Diesel Distribution of U.S. Ambient Air Concentration (micrograms per cubic meter) Diesel U.S. Highest 100 95 1.14-12.8 9.15e-001 -1.13 6.48e-001 -9.146-001 4.28e-001 -6.47e-001 2.67e-001 - 4.27e-001 3.17e-004-2.66e-001 Miles Source: U.S. EPA/ OAQPS 2002 NATA Final. EPA Region 1- CIS Center Map Tracker ID= 6208 vxEPA ------- |