Coming Soon- 4 The Record: Quarantine Series
Posted: April 9th, 2020
First off, a big THANK YOU to all of our clients and others working at essential business facilities that are out and about and keeping our manufacturing facilities running! Our readers are used to receiving technical content from us year-round […]
Read article2020 Look Ahead: Thinking Ahead in an Election Year
Posted: January 23rd, 2020
// Colin McCall I’m excited to once again introduce our Look Ahead article for 2020 – a year filled with new opportunities for facilities to grow their operations and to position themselves for competitive advantages through environmental planning. We are […]
Read articleCleaner Air Oregon Regulation: Call to Action and Lessons Learned So Far
Posted: August 28th, 2019
By now I’m sure you’ve heard of or already been involved in some aspect of Oregon Department of Environmental Quality’s (DEQs) new Cleaner Air Oregon (CAO) risk-based toxic air contaminant permitting program. You may also be asking yourself, when am […]
Read articleThe Ever-Evolving Science of Air Quality Modeling
Posted: June 3rd, 2019
One of the reasons I’ve enjoyed air quality modeling during my 16-year career with ALL4 is because it’s an ever-evolving science. The air quality modeling that I was learning and conducting 16 years ago is vastly different than the air […]
Read articleNorth Carolina Modeling Considerations
Posted: February 27th, 2019
In May and June 2018, North Carolina Department of Environmental Quality (NC DEQ) released various updates regarding air quality modeling for facilities located in North Carolina. The updates address the following topics. ♦ Modeling guidance for toxics -Guidance for quarries […]
Read articleNew “Once In, Always In” NESHAP Guidance Published by TCEQ
Posted: January 28th, 2019
The Texas Commission on Environmental Quality (TCEQ) air quality staff were very busy during the fourth quarter of 2018, rolling out several new tools and policies related to New Source Review permitting and air quality dispersion modeling. In the midst […]
Read article2019 Look Ahead – Year of Action
Posted: January 15th, 2019
A Year of Action // Colin McCall I know it’s cliché, but I could swear that I just wrote the introduction to our 2018 Look Ahead article a week or so ago! The good news is that I recall it […]
Read articleWill a contract term come in to play with the Government Shutdown?
Posted: January 10th, 2019
As chief financial officer at ALL4, I oversee the financial operations of the company and minimize risk when possible. As a part of my role, I review contracts and assess the risk included in the contract language. A common contractual […]
Read articleAmendments to the Guideline on Air Quality Models, Where Are We Now and Other Recent Updates
Posted: December 10th, 2018
We’ve been living with the amendments to 40 CFR Part 51 Appendix W – Guideline on Air Quality Models (The Guideline) for a little over a year and a half now so I thought it would be a good time […]
Read articleU.S. EPA Releases Draft Guidance on “Ambient Air”
Posted: December 3rd, 2018
If you howl at the moon long enough, eventually you will capture someone’s attention. When you are trying to get the attention of others to cause change, you might find the length of howling and the volume of your howl […]
Read article