4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
EPA Provides New Source Review (NSR) “Netting” Guidance
Posted: April 17th, 2011
In a recent letter dated April 4, 2011 to the Indiana Department of Environmental Management (IDEM), U.S. EPA clarified its position on conducting “Step 2” of a New Source Review (NSR) permitting applicability analysis (determine the net emissions increase). This […]
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More Changes to Subpart ZZZZ
Posted: April 10th, 2011
On March 9, 2011, U.S. EPA published direct final changes to 40 CFR Part 63, Subpart ZZZZ – National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines (RICE MACT) in the Federal Register. The changes to the rule […]
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U.S. EPA Provides SO2 NAAQS “Implementation” Guidance
Posted: April 4th, 2011
On March 25, 2011, U.S. EPA released guidance on the implementation process for the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). The 1-hour SO2 NAAQS was promulgated in June 2010. As part of the NAAQS implementation process, […]
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ALL4’s: Is That Your Final Answer?
Posted: March 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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Source Specific Ambient SO2 Monitoring vs. Air Quality Modeling for 1-Hour SO2 NAAQS Designations
Posted: March 26th, 2011
As part of the preamble of the new 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS), U.S. EPA outlined new NAAQS implementation procedures that will require certain facilities to be evaluated using refined air dispersion modeling with U.S. […]
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Pennsylvania Plan Approval Expiration Date/Duration Revisions
Posted: March 23rd, 2011
Facilities in Pennsylvania should be aware of a recent change in the interpretation of standard Plan Approval (i.e., construction permit) language regarding Plan Approval duration and “shakedown” periods. The change impacts the temporary operation of a new, or newly modified, […]
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Relief! U.S. EPA Announces Extension of 2010 Greenhouse Gas Report Filing Deadline
Posted: March 22nd, 2011
On March 1, 2011, U.S. EPA announced that the original March 31, 2011 deadline for 2010 greenhouse gas (GHG) emissions reporting under 40 CFR Part 98 (Mandatory Reporting of Greenhouse Gases Rule) would be extended. U.S. EPA’s announcement did not indicate how […]
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They’re Here!
Posted: March 14th, 2011
On February 23, 2011 U.S. EPA released on their website pre-publication versions of four (4) new rules that are all interrelated and that will affect boilers and process heaters everywhere. The rules will reduce emissions of toxic air pollutants from […]
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What’s a Solid Waste? U.S. EPA Finalizes the Definition of Solid Waste (DSW) Rule
Posted: March 6th, 2011
The final Definition of Solid Waste (DSW) rule was signed by U.S. EPA on February 21, 2011 and is expected to be published in the Federal Register in March 2011. The purpose of the DSW rule is to clarify which […]
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ALL4’s: Is That Your Final Answer?
Posted: February 28th, 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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