4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Five Reasons Why Now May Be the Time to Consider Converting Your Boiler to Natural Gas
Posted: November 30th, 2012
A number of projects around here lately have involved the conversion of a boiler firing coal or another high-polluting fuel to natural gas. Why the switch? Boiler MACT and NAAQS compliance come to mind. What other benefits are there from […]
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Winds of Change Related to Interstate Emissions Trading Rule? Maybe…
Posted: November 29th, 2012
The vacatur of the Cross State Air Pollution Rule (CSAPR) in August 2012 has complicated the transport rules that affected multiple states. With CSAPR now out of the picture, U.S. EPA was required…
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ALL4’s: Is That Your Final Answer?
Posted: November 26th, 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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As The Biomass Turns…Greenhouse Gases from Biomass and Biogenic Sources
Posted: November 21st, 2012
The regulatory community has become (for the most part) accustomed to the permitting requirements for greenhouse gases (GHGs). It has become second nature to include them in emission inventories…
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Hazardous Waste Manifests – A Future Without Filing Cabinets?
Posted: November 19th, 2012
On October 5, 2012 The Hazardous Waste Electronic Manifest Establishment Act (ACT) was signed into law by President Obama. This ACT amends Subtitle C of the Solid Waste Disposal Act…
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EPA’s Aggregation Appeal Denied by Court of Appeals
Posted: November 16th, 2012
The 6th Circuit Court of Appeals rejected U.S. EPA’s appeal of the Court’s August 7th, 2012 aggregation decision. The August 7th decision invalidated U.S. EPA’s method of considering the functional…
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Aggregation Appeal Denied
Posted: November 15th, 2012
The 6th Circuit Court of Appeals rejected U.S. EPA’s appeal of the Court’s August 7th, 2012 aggregation decision. The August 7th decision invalidated U.S. EPA’s method of considering…
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A Time For Different Thinking Related to PSD Permitting
Posted: November 9th, 2012
U.S. EPA recently issued a New Source Review (NSR) memo on October 15th that clarifies the timeline that an applicant can expect for “timely and consistent permit processing” of a Prevention of Significant Deterioration (PSD) air permit application…
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Clarification – Pennsylvania Contemplating “RACT 2” Regulation
Posted: November 7th, 2012
On September 12, 2012, the Pennsylvania Department of Environmental Protection (PADEP) presented a draft proposed rulemaking, “Additional RACT Requirements for Major Sources of NOX and VOC” (referred to as “RACT 2”)…
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“Short Stay” of Chemical Manufacturing Area Source (CMAS) NESHAP
Posted: November 5th, 2012
On October 22, 2012 U.S. EPA issued a short stay of the final National Emission Standards for Hazardous Air Pollutants (NESHAP) for Chemical Manufacturing Area Sources (CMAS) identified as 40 CFR Part 63, Subpart VVVVVV. On January 30, 2012, U.S. EPA…
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