4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
A Sign of Change?
Posted: February 23rd, 2011
First, U.S. EPA decides to reverse decades of past practice and experience of using a policy that the Prevention of Significant Deterioration (PSD) permit application date was the cut-off for new applicable requirements for the source. Then they add new, […]
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U.S. EPA Says No to CO NAAQS Revision
Posted: February 18th, 2011
U.S. EPA has proposed to retain the National Ambient Air Quality Standards (NAAQS) for carbon monoxide (CO) after a review of the most current scientific data for…
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New Pennsylvania Title V Emission Fees
Posted: February 18th, 2011
The Pennsylvania Department of Environmental Protection (PADEP) has just announced that the Title V emission fee for source emissions reported for calendar year 2010 will be $55 per ton. This fee…
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Reality Check: BACT for GHG Emissions?
Posted: February 7th, 2011
Greenhouse gas (GHG) emissions are now officially addressed by new source permitting rules. The “Tailoring Rule” requires that sources get serious about addressing project-related GHG emissions when preparing Prevention of Significant Deterioration (PSD) permit applications. When a source is unable […]
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Boiler MACT: Here We Go Again
Posted: February 3rd, 2011
Brace yourselves. It’s coming…and as of February 18, 2011, we have no idea what it’s going to look like. In last month’s 4 The Record, we reported that the U.S. Environmental Protection Agency (U.S. EPA) had filed a motion in the […]
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Introducing ALL4’s “Is That Your Final Answer?”
Posted: January 29th, 2011
Test your knowledge across the environmental field, on the building blocks of air quality rules, on ALL4 general trivia, and challenge you with brain teasers that have perplexed us…Take on ALL4’s Is That Your Final Answer?
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Update on U.S. EPA Transport Rule
Posted: January 28th, 2011
The U.S. Environmental Protection Agency (U.S. EPA) was required by a Federal court determination to “fix” what the court identified as deficiencies in the Clear Air Interstate Rule (CAIR). On August 2, 2010 this process began with the publication of […]
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Pennsylvania to Issue Oil and Gas Emissions Aggregation Guidance
Posted: January 23rd, 2011
The Pennsylvania Department of Environmental Protection (PADEP) intends to develop technical guidance for performing single stationary source determinations for operations in the oil and gas industry. Currently, there are significant gas exploration and extraction activities occurring in Pennsylvania, mostly related […]
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U.S. EPA Proposes Revisions to 40 CFR Part 63, Subpart JJ – National Emissions Standards for Wood Furnaces
Posted: January 19th, 2011
The U.S. Environmental Protection Agency (U.S. EPA) has published the findings of the residual risk review for 40 CFR Part 63, Subpart JJ – National Emission Standards for Wood Furniture Manufacturing Operations. While the risk levels of the existing standards […]
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Boiler MACT Schedule Extension?
Posted: January 15th, 2011
The U.S. Environmental Protection Agency (U.S. EPA) filed a motion on December 7, 2010 in the Federal District Court for the District of Columbia seeking an extension to the current court-ordered schedule for issuing new Maximum Achievable Control Technology (MACT) […]
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