News

A photo of saguaro cacti in the desert in Arizona

ERG awarded air quality contract for Pinal County, Arizona
Blue sky and white clouds

ERG awarded EPA contract to reduce toxic air emissions
Man with fishing rod

ERG wins PFAS and metals fish tissue monitoring support contract with the State of Utah  
A diagram of the remote sensing technique developed by Tim DeFries, EPA and others to detect the mass of emissions

ERG’s Tim DeFries, U.S. Environmental Protection Agency granted a patent for new emissions measurement technology 
Two people look at computer screens in a laboratory.

ERG launches new Measurements and Laboratory Services group
An image of a green leaf next to the letters ERG. ERG's company logo.

ERG opens new office in Fairfax, Virginia  
Image of an outdoor scene of a lake, forested mountains, and blue sky

ERG Wins EPA Office of Atmospheric Programs Contract