4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
U.S. EPA’s Proposed Revisions to Oil and Natural Gas Sector NSPS and NESHAPs
Posted: January 9th, 2012
Using a “sector-based approach,” U.S. EPA proposed revisions to both the Standards of Performance for New Stationary Sources (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for the oil and gas industry on August 23, 2011. Comments regarding […]
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Lots of Rules, Lots of Uncertainty
Posted: January 9th, 2012
There has been an unprecedented amount of regulatory action by U.S. EPA over the last several years. As a consequence of this activity, uncertainty for industry has become the “new normal” along with the associated “regulatory backlog” that afflicts under-staffed […]
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Caught in the Crossfire
Posted: January 9th, 2012
Eerily similar to the political and ideological extremism that has overtaken both houses of Congress, the various factions that typically provide “public” comments on proposed new and revised air quality regulations are generally split between industry trade or lobbying organizations […]
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ALL4’s: Is That Your Final Answer?
Posted: December 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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Mass Confusion: Are Greenhouse Gases for PSD Permitting Treated the Same Way as Other Regulated PSD Pollutants?
Posted: December 28th, 2011
Can a facility be a classified as a major stationary source for greenhouse gas (GHG) emissions only, and if so, do all modifications at the facility need to be evaluated for Prevention of Significant Deterioration (PSD) applicability for all New […]
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What is the Status of Your Emission Inventory?
Posted: December 28th, 2011
The U.S. Environmental Protection Agency (U.S. EPA) uses emission inventories from facilities that are readily available to support key policy and regulatory decisions that directly affect the regulated community. When looking for emissions data, U.S. EPA may use the information […]
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Oil and Gas System Greenhouse Gas Reporting—Where Do You Stand?
Posted: December 11th, 2011
U.S. EPA’s Mandatory Reporting of Greenhouse Gases Rule, codified at 40 CFR Part 98 (the GHG Reporting Rule), requires certain facilities to report annual emissions of greenhouse gases (GHG) including, as applicable, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), […]
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ALL4’s: Is That Your Final Answer?
Posted: November 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?
More Thoughts on SO2 NAAQS
Posted: November 20th, 2011
The public comment period for U.S. EPA’s draft dispersion modeling guidance for the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) is open until December 2, 2011. Since the guidance will lead to a significant and complicated undertaking […]
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Carbon Capture and Sequestration Deemed Not Cost Effective by DOE
Posted: November 17th, 2011
Since the beginning of 2011, major sources of greenhouse gas (GHG) emissions that trigger Prevention of Significant Deterioration (PSD) permitting have been required to implement Best Available Control Technology (BACT) for GHG emissions from new and modified sources. A recent […]
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