Pennsylvania RACT III Update – Three Strikes and You’re Out!
Posted: April 2020
This article is part of ALL4’s 4 The Record: Quarantine Series. There is a fundamental phrase in baseball, three strikes and you are out. The regulated community is wondering how much change will come with Pennsylvania’s Reasonably Available Control Technology (RACT) […]
Read MoreTitle V Renewal Best Practices: Burden or Opportunity?
Posted: April 2020
This article is part of ALL4’s 4 The Record: Quarantine Series. Do you have a Title V Operating Permit renewal coming up? If so, how do you hold the renewal process? Is it a strategic opportunity or an obligatory paperwork […]
Read More2020 Look Ahead: Thinking Ahead in an Election Year
Posted: January 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 MoreALL4 at the Environmental Federation of Oklahoma Conference
Posted: November 2019
With conference season in full “swing”, just as the baseball season is coming to a close, ALL4 has been hitting the road and attending conferences. On October 8-9, 2019 ALL4 attended the Environmental Federation of Oklahoma (EFO) Conference held in […]
Read MoreIs Your Ambient Monitoring Station Up-To-Date?
Posted: October 2019
What is the current status of your ambient monitoring station? Have your instruments been audited recently? Have the instruments been recalibrated and recertified? Is calibration and re-certification still supported on the instruments you have by the manufacturer or whoever you […]
Read MoreIs Your Facility in Compliance with the Updated Refrigerant Rules?
Posted: October 2019
U.S. EPA regulates refrigerant containing equipment, including motor vehicle air conditioners (MVAC), at 40 CFR Part 82 – Protection of Stratospheric Ozone. This rule is focused on minimizing the release of refrigerants to the atmosphere as they have the potential […]
Read MoreWhat Happened: Air Quality Bills to Watch in the 86th Texas Legislative Session
Posted: August 2019
In April 2019, I shared two articles regarding the legislative process in Texas. The first was an overview of the legislative process related to air-quality related bills considered during the 86th Texas Legislative Session (January 8, 2019 to May 27, […]
Read MoreQ&A With our Technical Director in Raleigh, NC – Amy Marshall
Posted: July 2019
Amy Marshall recently joined ALL4 as Technical Director, and has also opened an office in the Raleigh, NC* area. With 25 years of experience, Amy is well known to the regulated community. She started her career as a contractor for […]
Read MoreThe Ever-Evolving Science of Air Quality Modeling
Posted: June 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 MoreUpcoming Changes to the Turbine MACT With a Short Timeline to Comply
Posted: April 2019
On Friday, April 12, 2019, U.S. EPA proposed changes to the National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines [40 CFR 63, Subpart YYYY (Turbine MACT)] as a result of its risk and technology review (RTR). This […]
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