WASHINGTON, April 7 -- Environmental Protection Agency has issued a notice called: Ambient Air Monitoring Reference and Equivalent Methods; Designation of Two New Equivalent Methods.
The notice was published in the Federal Register on April 7 by Alice Gilliland, Acting Director, Center for Environmental Measurement and Modeling.
Summary: Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring concentrations of PM 2.5and one new equivalent method for measuring PM 10-2.5in ambient air.
For more information, contact Robert Vanderpool, Air Methods and Characterization Division (MD-D205-03), Center for Environmental Measurement and Modeling, U.S. EPA, Research Triangle Park,...