
4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.

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). […]
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U.S. EPA’s Revised NESHAP for Stationary RICE Has Opponents on Both Sides of the Table
Posted: April 22nd, 2013
U.S. EPA promulgated a revised reconsidered version of 40 CFR Part 63, Subpart ZZZZ – National Emission Standards for Hazardous Air Pollutants (NESHAP) for Stationary Reciprocating Internal Combustion Engines…
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NJDEP Cracks Down on Emergency Generators
Posted: April 19th, 2013
New Jersey Department of Environmental Protection (NJDEP) has begun to restrict certain specific uses of emergency generators. NJDEP has learned that some facility owners and operators of…
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New EGU – MATS and NSPS Revisions Finalized by U.S. EPA
Posted: April 16th, 2013
On March 28, 2013, U.S. EPA finalized updates to the mercury and air toxics standards (MATS) for new power plants as well as the Utility New Source Performance Standards (NSPS)…
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What Rich Oil Men Need to Know About Quad O Revisions
Posted: April 10th, 2013
No doubt that Jed Clampett and J.R. Ewing would not have been quite as successful with their oil and natural gas operations if they had to meet the Standards of Performance for New Stationary Sources…
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Compliance Certification Requirements for State and Federal Operating Permits
Posted: April 5th, 2013
On March 29, 2013, U.S. EPA proposed to amend the compliance certification requirements for state and federal operating permits programs that were published in the Federal Register…
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Major Source Boiler MACT Compliance with Oxygen Trim Systems
Posted: March 29th, 2013
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters promulgated at 40 CFR Part 63, Subpart DDDDD, commonly referred to as the Major Source Boiler MACT (MSBM) standards, provide […]
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Revised GP-5 Is Final, So Now What?
Posted: March 29th, 2013
The Pennsylvania Department of Environmental Protection (PADEP) published the final General Plan Approval and/or General Operating Permit for Natural Gas Compression and/or Processing Facilities…
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New Phone Extensions at the Kimberton Office!
Posted: March 25th, 2013
ALL4 recently updated the phone system at the Kimberton Office. As of March 25, 2013, all extensions will now consist of three (3) digits
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ALL4’s Is That Your Final Answer?
Posted: March 25th, 2013
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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