PM2.5 Update
Posted: January 11th, 2012
WHAT IS FINE PARTICULATE MATTER? Airborne particles that are less than or equal to 2.5 micrometers in diameter are considered to be ‘fine particles’ and are also referred to as PM2.5. A micrometer is one-millionth of a meter, and 2.5 […]
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Are you on the U.S. EPA’s Enforcement Priorities Radar?
Posted: January 10th, 2012
On October 12, 2007, the United States Environmental Protection Agency (U.S. EPA) published their national enforcement and compliance assurance priorities for fiscal years 2008, 2009, and 2010 in the federal register. The multi-year national enforcement and compliance assurance priorities are […]
Read articleBoilers, Solid Waste, and the CAA….Oh My!
Posted: January 10th, 2012
U.S. EPA’s Core Four: DSW Rule, Major Source Boiler Rule, Area Source Boiler Rule, and CISWI Rule While the regulated community is just coming to grips with the most recent changes to four of the National Ambient Air Quality Standards […]
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Blindsided: Your Facility’s Emergency Reciprocating Internal Combustion Engine(s) (RICE) Could Potentially Cause a Compliance Issue That You Didn’t See Coming
Posted: January 9th, 2012
The Proverbial Skeleton in Your Facility’s Closet They’re there, lurking in the shadows. The nondescript metal box or hulking chunk of ancient metal stoically waiting out back behind the office building, maintenance shed, or material storage silo. It might be […]
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Multipollutant Rules: What’s In Store?
Posted: January 9th, 2012
There is significant discussion in the regulatory and regulated community regarding the trend towards “multipollutant” rules. U.S. EPA’s current focus on “multipollutant” rules can be traced to a publication entitled “Air Quality Management in the United States,” prepared as a […]
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Marcellus Drilling Operations: Air Quality Requirements Overview
Posted: January 9th, 2012
Introduction For as much excitement as there has been about the potential benefits of drilling in the Marcellus Shale from the perspective of energy needs and employment opportunities, it is also hard to ignore the sometimes vociferous opposition from environmentalists […]
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FINALLY!! Guidance and Updated Programs Catch Up With New 1-Hour NAAQS
Posted: January 9th, 2012
Introduction There has recently been a flurry of activity on U.S. EPA’s Support Center for Regulatory Atmospheric Modeling (SCRAM) website. U.S. EPA’s Air Quality Modeling Group (AQMG) has been busy updating the AERMOD air dispersion model and its supporting pre-processors to […]
Read articleAir Quality, Acronyms, and Midstream Marcellus Operations
Posted: January 9th, 2012
In the March 2011 issue of 4 The Record, ALL4’s Marcellus Gas team provided a general overview of air quality requirements surrounding drilling operations. Drilling, along with exploration, and the physical process of bringing gas to the surface are part […]
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What’s Going On With the 1-Hour SO2 NAAQS Implementation Process?
Posted: January 9th, 2012
Now that we’ve all had some time to digest the plethora of guidance memoranda and updated air quality modeling programs that were released in March and April of 2011 and summarized by ALL4 in our April 4 The Record article […]
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U.S. EPA’s Proposed Revisions to Oil and Natural Gas Sector NSPS and NESHAPs
Posted: January 9th, 2012
Using a “sector-based approach,” U.S. EPA proposed revisions to both the Standards of Performance for New Stationary Sources (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for the oil and gas industry on August 23, 2011. Comments regarding […]
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