4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
The Affordable Care Act (ACA) and Prevention of Significant Deterioration (PSD)
Posted: November 20th, 2013
As a company that specializes in navigating clients through complex air quality permitting – specifically PSD and Non-attainment New Source Review (NNSR), ALL4 is familiar with challenging regulations…
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Draft Climate Change Adaptation Implementation Plans Issued
Posted: November 12th, 2013
The great hockey player Wayne Gretzky once said “I skate to where the puck is going to be, not where it has been.” When it comes to climate change, this is a piece of advice we…
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Are You Prepared? New OSHA Standard Requires Implementation Over The Next 3 Years!
Posted: November 8th, 2013
A great deal of misinformation is circulating about how to comply with Occupational Safety and Health Administration (OSHA) now that its Hazard Communication Standard (HCS) has been revised to align with the…
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Redoing Your (MACT) Floors
Posted: November 7th, 2013
More often than not, people will redo the floors in their homes for aesthic reasons, not because of an underlying problem with how they were constructed. In the air quality regulatory world…
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Background on MACT Floor Statistics
Posted: November 7th, 2013
Back in August of 2013, the U.S. Court of Appeals for the District of Columbia Circuit made a decision regarding a petition that the National Association of Clean Water Agencies (NACWA) and Sierra Club…
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Prevention of Significant Deterioration (PSD) & the Major Modification
Posted: November 4th, 2013
|What is Major Modification|What is a Major Stationary Source?|Any Physical Change in or Change in the Method of Operation|Regulated NSR Pollutant|Significant Emissions Increase|Net Emissions Increase| The implementation at the state level of the major New Source Review (NSR) rules that […]
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GHG NSPS Update: New Electric Generating Units
Posted: October 8th, 2013
On September 20, 2013, U.S. EPA released its proposed New Source Performance Standards (NSPS) for emissions of carbon dioxide (CO2) from new electric utility steam generating units (EGUs)…
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Recent Court Case Sets 1-Hour SO2 NAAQS and Air Quality Modeling Precedent
Posted: September 30th, 2013
The U.S. Court of Appeals for the Third Circuit Court recently upheld a U.S. EPA rule that established a sulfur dioxide (SO2) emission limit on a…
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Cement Manufacturing – Balancing Growth with Air Quality Requirements
Posted: September 27th, 2013
In most areas of the U.S., it appears that the recession is a bad memory and the signs of recovery are all around us. As described by the Portland Cement Association (PCA) on its website[1], “following the strongest cement consumption […]
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From College to Being a Consultant – Not That Different
Posted: September 26th, 2013
Yes! I did it, I graduated college! As I soaked in the excitement of graduation accompanied by the memories of the past four years, I suddenly thought to myself…
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