4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
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?
Read article
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 […]
Read article
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 […]
Read article
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), […]
Read article
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 […]
Read article
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 […]
Read article
Comment Period Extension for Proposed Oil and Gas NSPS/NESHAP Revisions
Posted: November 10th, 2011
In an October 28, 2011 Federal Register announcement, U.S. EPA extended the comment period for the proposed revisions to both the Standards of Performance for New Stationary Sources (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for the […]
Read article
Stay Tuned…Again
Posted: November 4th, 2011
In two separate announcements made during the last week of October, U.S. EPA has delayed the release of two highly anticipated maximum achievable control technology (MACT) regulations. U.S. EPA announced that it would be delaying the release of the proposed […]
Read article
ALL4’s: Is That Your Final Answer?
Posted: October 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?
Read article