Appendix W Revision: The New Era of Air Quality Modeling – SO2 Modeling Updates
Posted: March 2017
If you’ve visited ALL4’s website within the past few weeks (c’mon, don’t you visit daily?), you’ve likely seen a wealth of information regarding the U.S. Environmental Protection Agency (U.S. EPA) revisions to 40 CFR Part 51, Appendix W…
Read MoreWhat-If Island
Posted: January 2017
This blog is about making a distinction and then doing something about it. At ALL4, we embrace a coaching management philosophy and we believe that by facilitating conversations that prompt self-discovery great things happen…
Read MoreA Reflection on TCEQ’s Advanced Air Permitting Seminar in Austin, TX
Posted: November 2016
On a relatively cool (in-terms of Houston’s standards) Monday October morning, Abhishek, Kristin, and I ventured to our state’s capital to attend the much anticipated Texas Commission on Environmental Quality (TCEQ) Advanced Air Permitting Seminar…
Read More2016 Chemical Data Reporting in Full Swing
Posted: August 2016
In our February blog post “Brace Yourself – 2016 Chemical Data Reporting is Coming”, we talked about 2016 being a reporting year in the Toxic Substances Control Act (TSCA) Chemical Data Reporting (CDR) rule cycle. This report is due every four years and requires…
Read MoreU.S. EPA Proposes Guidance on Fine Particulate and Ozone Significant Impact Levels
Posted: August 2016
UPDATE 9/7/16: The values in the tables within this article have been updated per EPA’s corrections to the draft guidance. On August 1, 2016 U.S. EPA made available for public comment draft guidance and supporting documents recommending Significant Impact Levels […]
Read MoreUpdate on the Cross State Air Pollution Rule – Pennsylvania and Beyond
Posted: July 2016
” Many of you may have forgotten about the Cross State Air Pollution Rule (CSAPR) and its status. CSAPR is one of those “on-again/off-again” rules that U.S. EPA (EPA) has developed. As a reminder, CSAPR replaced the Clean Air Interstate […]
Read MoreThere’s No Place Like Home…
Posted: June 2016
I recently had a chance to visit my undergraduate campus, California University of Pennsylvania (Cal U), and give a presentation about my Master’s thesis research from the University of Wyoming and how it led to me working at ALL4. I was the President of…
Read MoreWhat’s in Your Dirty Laundry? Delving into The Importance of Your Facility’s Emissions Data
Posted: May 2016
Just like being thrust into the world of adulthood having to manage taxes, mortgages, credit scores, etc., understanding the data that is submitted to U.S. EPA electronically (e.g. continuous monitor data, performance test results, annual compliance reports, etc.) is important for your facility’s long-term well being.
Telling You Like It Is, Your CEMS are NOT Ready for PA RACT 2 Compliance!
Posted: May 2016
What started as a blog, has turned into an article written like a blog. We call it a “Blogicle.” There is just too much information to share on complying with Pennsylvania Department of Environmental Protection’s (PADEP’s) RACT 2 Rule using […]
Read MoreThe Dos and Don’ts of Meteorological Monitoring
Posted: May 2016
One of the service areas ALL4 provides our clients is the setup, maintenance, and breakdown of meteorological monitoring towers. For some, on-site meteorological data are required for air dispersion modeling demonstrations; for others, meteorological monitoring data…
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