U.S. EPA Installs Air Monitoring Park Benches in 5 Cities
Posted: May 20th, 2015
Throughout 2015, U.S. EPA will be installing solar-powered air quality monitoring systems that are integrated with park benches. This air quality monitoring/park bench system will monitor air quality in real time in five (5) cities across the United States…
Read article
Happening Now: Air Quality Study by Aircraft Over Oil and Gas Production Areas
Posted: April 14th, 2015
Beginning the week of March 22, 2015, an aircraft carrying a suite of meteorological and ambient monitoring instruments began a field campaign aimed at studying the air over oil and gas production areas. The study, named the Shale Oil and Natural Gas Nexus…
Read article
U.S. EPA Proposes Benzene Fenceline Monitoring for Refineries Amongst Other MACT and NSPS Changes
Posted: June 30th, 2014
U.S. EPA has proposed an amendment to 40 CFR Parts 63, Subpart CC and Subpart UUU that requires all petroleum refineries to deploy passive time-integrated benzene samplers at the fenceline (where fenceline is equivalent to the facility property line) of […]
Read article
Where Did These New Quality Assurance Requirements For Opacity Monitors Come From?
Posted: May 22nd, 2014
U.S. EPA proposed quality assurance requirements for continuous opacity monitoring systems (COMS) at stationary sources
Read article
What the BEEP is a SODAR?
Posted: June 13th, 2013
Beep….Beep….Beep….Have you ever heard a smoke detector that chirps due to a low battery? Well, mix that with the sound of an underwater submarine, and you get the sound that a SODAR makes…
Read article
Check Your Emissions Inventory To Make Sure It Is “Unleaded”
Posted: May 13th, 2013
Just like the gradual phase-out of leaded gasoline from the 1970s-1995, there has been a phase-out of lead (Pb) emissions from stationary sources during that time period as well. But the proper quantification…
Read article
PM2.5 Air Quality Modeling Updates
Posted: April 30th, 2013
There has been much activity over the past six (6) months that will impact how air quality modeling analyses will be conducted for Prevention of Significant Deterioration (PSD) permit applications with respect to particulate matter less than 2.5 microns (PM2.5). […]
Read article