4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
10th Conference on Air Quality Modeling
Posted: March 21st, 2012
ALL4 attended and presented at U.S. EPA’s 10th Conference on Air Quality Modeling in Research Triangle Park, NC March 13th through 15th. The purpose of the conference, mandated by Section 320 of the Clean Air Act, is to provide an […]
Read article
U.S. EPA Issues No Action Assurance Letter for Area Source Boiler Initial Tune-Up Deadline
Posted: March 19th, 2012
On Tuesday, March 13, 2012, U.S. EPA issued a No Action Assurance (NAA) Letter for the March 21, 2012 initial tune-up work practice standard deadlines codified in 40 CFR Part 63, Subpart JJJJJJ – National Emission Standard for Hazardous Air […]
Read article
U.S. Senate Votes on Boiler MACT
Posted: March 9th, 2012
On Thursday, March 8, 2012, the U.S. Senate voted to defeat an amendment designed to delay the U.S. EPA’s efforts to implement the provisions of 40 CFR Part 63, Subpart DDDDD – National Emission Standards for Hazardous Air Pollutants for […]
Read article
GUEST ARTICLE: Pennsylvania Approves Unconventional Gas Fee
Posted: March 1st, 2012
On February 13, 2012, Pennsylvania Governor Tom Corbett signed House Bill No. 1950 into law, approving major changes to the Pennsylvania Oil and Gas Act, most notably an impact fee on unconventional drilling operations. Along with the impact fee, the […]
Read article
New Source Review – What Could Possibly Be Lurking Out There?
Posted: March 1st, 2012
If you have been reading 4 The Record, then you are, without doubt, very cognizant of the rapid and profound changes that are occurring with regard to air quality regulations in the United States. Without getting into the gory details, […]
Read article
Proposed Revisions to the Secondary Aluminum Production MACT
Posted: February 29th, 2012
U.S. EPA proposed revisions to the National Emissions Standards for Hazardous Air Pollutants: Secondary Aluminum Production (40 CFR Part 63, Subpart RRR) on February 14, 2012. Under Section 112(d)(6) of the Clean Air Act (CAA), U.S. EPA is required to […]
Read article
A Preponderance of Evidence
Posted: February 29th, 2012
U.S. EPA has been adding an “affirmative defense” provision in MACT standards to address emissions that occur during period of malfunctions.
Read article
2012 GHG Reports Coming Due For Some, But Not All
Posted: February 29th, 2012
When U.S. EPA established its Greenhouse Gas (GHG) Reporting Program under 40 CFR Part 98, the idea was for facilities under the program to submit annual reports of their GHG emissions by the end of March of each subsequent year. […]
Read article
Take the 15 Minute EnviroReview™ Challenge!
Posted: February 29th, 2012
Learn how ALL4’s EnviroReview™ service is completely different (and better) than all of those computer-generated regulatory subscription services.
Read article
ALL4’s: Is That Your Final Answer?
Posted: February 29th, 2012
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