4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Latest News On The 1-Hour SO2 NAAQS Implementation Process
Posted: May 10th, 2012
On April 12, 2012, U.S. EPA’s assistant secretary Gina McCarthy recently sent letters to States outlining updates to the implementation procedures of the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). The major news
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ALL4’s Employee Spotlight: Susie Bowden
Posted: May 7th, 2012
Learn about ALL4 Project Engineer Susie Bowden in her Employee Spotlight!
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New Secondary NAAQS Avoided For Now
Posted: May 4th, 2012
U.S. EPA announced on March 20, 2012 that the secondary National Ambient Air Quality Standards (NAAQS) for nitrogen oxides (NOX) and sulfur oxides (SOX) will be retained as they currently exist
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Court Vacates U.S. EPA Texas SIP Disapproval
Posted: May 2nd, 2012
The Fifth Circuit Court of Appeals has recently vacated U.S. EPA’s disapproval of Texas’ Minor New Source Review (NSR) Pollution Control Project (PCP) Standard Permit (Tex. Admin. Code §116.617) and remanded it to U.S. EPA for reconsideration and expeditious approval or disapproval.
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ALL4’s: Is That Your Final Answer?
Posted: April 30th, 2012
Test your knowledge across the environmental field, on the building blocks of air quality rules, on ALL4 general trivia, and with brain teasers that have perplexed us…Take on ALL4’s Is That Your Final Answer?
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Check Out the Ingredients For This Recipe
Posted: April 26th, 2012
Any good cook is always a little fussy when preparing their favorite recipes, the ingredients need to be fresh and from a trusted source. After all, the guest’s experience with the food reflects directly on the cook’s reputation. Well it is no different in the industrial sector…
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A Fundamental Major NSR Applicability Question
Posted: April 20th, 2012
Here’s a question that we hear all the time related to changes at existing major stationary sources…Why do I have to do a New Source Review (NSR) applicability evaluation when my modification project will result in emissions that are less than my current permit limits?
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Urgent – SO2 Implementation Update
Posted: April 20th, 2012
U.S. EPA has recently provided state air quality regulatory agencies with an update of the sulfur dioxide (SO2) 1-hour National Ambient Air Quality Standard (NAAQS) designation process. The significant news is that U.S. EPA will no longer require that air dispersion modeling for individual facilities
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Don’t Get Caught Sleeping – The RICE MACT Compliance Date Will Be Here Before You Know It
Posted: April 19th, 2012
Are you subject to the RICE MACT? No? Are you sure? The term “RICE MACT” refers to the National Emission Standards for Stationary Reciprocating Internal Combustion Engines (RICE), codified at 40 CFR Part 63, Subpart ZZZZ. The RICE MACT rules […]
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U.S. EPA Takes Exception to PADEP Air Quality Permitting Streamlining Provision
Posted: April 19th, 2012
Back in 2008 the Pennsylvania Department of Environmental Protection (PADEP) adopted amendments to its “Plan Approval” regulations codified at 25 Pa. Code 127, Subchapter B, adding provisions intended to streamline the process for certain air permitting actions in Pennsylvania.
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