Getting Smart with Meteorological Towers
Posted: June 25th, 2015
Working at ALL4 and having the opportunity to deploy and maintain meteorological towers is a meteorologist’s dream. During my first week at ALL4, I was deployed into the field of western Virginia to perform a meteorological audit of instruments on a 30 meter…
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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…
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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…
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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 […]
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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
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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…
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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…
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