4 The record articles

4 The Record is a publication of ALL4's RegTech Group that contains an in-depth look at hot technical and regulatory topics.

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New Source Review Rule Update

Posted: February 10th, 2009

In September 2006, U.S. EPA proposed three (3) separate revisions to the Federal New Source Review (NSR) air permitting rules.  The proposed revisions were intended to address and clarify some of the more detailed aspects of implementing the major NSR […]

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Revised Rule on Fugitive Emissions for NSR Permitting

Posted: January 26th, 2009

U.S. EPA has revised its long-standing policy regarding which existing major stationary sources are required to include fugitive emissions when determining whether emission increases from physical or operational changes result in a major modification under New Source Review (NSR).  U.S. […]

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Climate Change News and Notes

Posted: January 20th, 2009

The Western Climate Initiative (WCI) released a report that contains the proposed approach for addressing the calculation and reporting of greenhouse gas (GHG) emissions as part of the WCI Regional Cap and Trade Program.  The tracking of GHG emissions will […]

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UPDATE: The Resurrection of CAIR

Posted: January 14th, 2009

On December 23, 2008, the U.S. Court of Appeals for the District of Columbia Circuit (Court) reversed its earlier (July 11, 2008) decision to vacate the Federal Clean Air Interstate Rule (CAIR).  The Federal court decided, after considering comments from […]

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U.S. EPA Issues Final Flexible Permit Rule

Posted: January 8th, 2009

On January 13, 2009, U.S. EPA finalized a flexible permitting rule that was initially proposed on September 12, 2007 (see our February 2008 4 The Record article for an analysis of the proposed rule).  The rule revises the Title V regulations to allow […]

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Pennsylvania Adopts Diesel Anti-Idling Rules

Posted: January 2nd, 2009

On October 9, 2008, Pennsylvania Governor Ed Rendell signed the Diesel-Powered Motor Vehicle Idling Act No. 124 which provides for idling restrictions on diesel-powered vehicles within the State. The provisions of the law will become effective on February 6, 2009.  At about the same time…

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ALL4 Ambient Group Attends Modeling Conference

Posted: December 28th, 2008

On October 8 and 9, 2008, ALL4’s Ambient Group attended the 9th Conference on Air Quality Modeling in Research Triangle Park, NC, hosted by U.S. EPA.  The conference provided an update on the latest developments in air quality modeling and […]

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