Ambient Air Monitoring Reference and Equivalent Methods; Designation of One New Reference Method (Final)
Feb. 20, 2018
Notice is hereby given that the EPA has designated one new reference method for measuring concentrations of nitrogen dioxide (NO2) in ambient air. The new reference method for NO2 is an automated method (analyzer) utilizing the measurement principle based on gas phase chemiluminescence. POC is Robert Vanderpool, Exposure Methods and Measurements Division (MD-D205-03), National Exposure Research Laboratory, U.S. EPA, Research Triangle Park, North Carolina 27711. Tel: 919-541-7877. Email: Vanderpool.Robert@epa.gov ( Federal Register; 13 February 2018 [Notices], pages 6174-6175).