Environmnetal Protection Agency – Federal Register Recent Federal Regulation Documents

Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of a New Equivalent Method
Document Number: 07-2317
Type: Notice
Date: 2007-05-10
Agency: Environmnetal Protection Agency, Environmental Protection Agency
Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR Part 53, a new equivalent method for measuring concentrations of sulfur dioxide (SO2) in the ambient air.