Regulation & law · 25/09/2017
EPA Approves Maryland's 2011 Air Quality Inventory for 2008 Ozone Standard
The Environmental Protection Agency (EPA) has approved Maryland's 2011 base year inventory for the 2008 8-hour ozone national ambient air quality standard, meeting nonattainment requirements for marginal ozone nonattainment areas.
Original source language: Federal Register — All DocumentsOpen original release →