4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Compliance Alert
Posted: June 15th, 2011
ALL4 has observed a concerted increase in U.S. EPA compliance inspection activity at major source facilities in recent months. These inspections are not like your typical state compliance inspection and do not appear to be focused on a specific industry […]
Read articleALL4 Attends U.S. EPA Regional, State, and Local Dispersion Modelers Workshop
Posted: June 13th, 2011
ALL4’s ambient group members Dan Dix and Colin McCall attended the U.S EPA Regional, State, and Local Dispersion Modelers Workshop (Workshop) held in Atlanta, GA on June 9, 2011. The annual meeting, which is hosted by the U.S. EPA Office […]
Read articleBoiler MACT…Yes…No…Maybe?
Posted: June 10th, 2011
Many questions surround the logic that U.S. EPA used to develop the emission limits contained in the Boiler MACT. One potential flaw identified by those petitioning U.S. EPA for judicial review of the Boiler MACT is the establishment of…
Read articleSlade’s Corner – Avoiding Regulatory “Fatigue”
Posted: June 5th, 2011
It seems like there is a new air quality regulatory initiative being launched by U.S. EPA every week or so. From New Source Review (NSR) interpretations to greenhouse gas (GHG) programs to Maximum Achievable Control Technology (MACT), the litany of […]
Read articleALL4’s: Is That Your Final Answer?
Posted: May 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 articleElectronic Greenhouse Gas Reporting Tool (e-GGRT) Training and Testing Happening Now
Posted: May 19th, 2011
U.S. EPA has started to unveil the long-awaited Electronic Greenhouse Gas Reporting Tool (e-GGRT) to the user community. Throughout the month of May, individuals who will be required to use e-GGRT to report their facility’s greenhouse gas (GHG) emissions can […]
Read articleAnother Update to AERMOD!!
Posted: May 16th, 2011
On April 12, 2011 U.S. EPA’s Air Quality Modeling Group (AQMG) released another update to the AERMOD (now version 11103) air dispersion model on the Support Center for Regulatory…
Read articleThe Forgotten NAAQS
Posted: May 12th, 2011
With all of the excitement surrounding the implementation of the new 1-hour National Ambient Air Quality Standards (NAAQS) for sulfur dioxide (SO2) and nitrogen dioxide (NO2), it’s easy to forget that U.S. EPA is also in the process of reviewing […]
Read articleA New Pennsylvania RACT Rulemaking is on the Way
Posted: May 8th, 2011
The Pennsylvania Department of Environmental Protection (PADEP) has announced that they will be revising their Reasonably Available Control Technology (RACT) regulations in 25 Pa. Code Chapter 129 for control of major sources of nitrogen oxides (NOx) and volatile organic compounds […]
Read articleIntroducing Slade’s Corner
Posted: May 5th, 2011
U.S. EPA has once again ventured into new, and this time somewhat troubling, territory. Lisa Jackson, U.S. EPA Administrator and previous official with the State of New Jersey, has proposed to grant a petition filed by the State of New […]
Read article