Day 19
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Air Quality Implementation Plans and Designations of Areas for Air Quality Planning Purposes; Commonwealth of Massachusetts; Carbon Monoxide Redesignation Request, Maintenance Plan, and Emissions Inventory for the Cities of Lowell, Springfield, Waltham, and Worcester
- Approval and Promulgation of Air Quality Implementation Plans and Designations of Areas for Air Quality Planning Purposes; Commonwealth of Massachusetts; Carbon Monoxide Redesignation Request, Maintenance Plan, and Emissions Inventory for the Cities of Lowell, Springfield, Waltham and Worcester
AIR TEXT Files - [ZIP 16kb] - Approval and Promulgation of Air Quality Implementation Plans and Designations of Areas for Air Quality Planning Purposes; Commonwealth of Massachusetts; Carbon Monoxide Redesignation Request, Maintenance Plan, and Emissions Inventory for the Cities of Lowell, Springfield, Waltham and Worcester
![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif)