EPA announced the designation of a new reference method for measuring concentrations of nitrogen dioxide in ambient air.
The Alaska Department of Environmental Conservation (ADEC) seeks comment on its 2020 Annual Ambient Air Monitoring Network Plan, which provides a description of all ADEC network air quality monitoring sites and discusses any current or planned modifications. Comments are due June 22, 2020. See https://aws.state.ak.us/OnlinePublicNotices/Notices/View.aspx?id=198282.
would amend the CAA to give states the option of monitoring covered criteria air pollutants in designated areas by greatly increasing the number of air quality sensors in exchange for greater regulatory flexibility in the methods of monitoring.
The Massachusetts Department of Environmental Protection proposed amendments to 310 Mass. Code Regs. 6.00. The proposed amendments would update the standards for sulfur dioxide, particulate matter, carbon monoxide, ozone, nitrogen dioxide, and lead to match existing NAAQS and update the definitions for monitoring methods promulgated by EPA. A hearing will be held February 25, 2019. Comments are due March 8, 2019. See http://www.sec.state.ma.us/spr/sprpub/012519b.pdf.
You are not logged in. To access this content: