
4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
The 86th Texas Legislative Session: The Process and Implications for Texas Facilities with Air Permits
Posted: April 19th, 2019
“Check out Kristin’s updated article What Happened: Air Quality Bills to Watch in the 86th Legislative Session. Every two years the Texas House and Senate members converge upon Austin for a 140-day legislative session (session). As part of the 86th […]
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Preparing for Subpart MM 2020 Performance Testing
Posted: April 18th, 2019
40 CFR Part 63, Subpart MM (National Emission Standards for Hazardous Air Pollutants for Chemical Recovery Combustion Sources at Kraft, Soda, Sulfite, and Stand-Alone Semichemical Pulp Mills) was amended in October 2017. The amendments include a periodic performance testing provision, […]
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Subpart TTTT: What to Know About Greenhouse Gas Emissions from Electric Utility Generating Units
Posted: March 27th, 2019
With contribution from ALL4 Staff On December 20, 2018, the U.S. Environmental Protection Agency proposed amendments to its “Standards of Performance for Greenhouse Gas (GHG) Emissions from New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units (EGUs)” (i.e., 40 […]
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What Makes a “Good Neighbor?”: A Look at Ozone Standards
Posted: March 27th, 2019
Since the government shutdown ended and many Federal programs that were hanging in the balance have returned to service, the impact on U.S. EPA is beginning to show. Our CFO, Kevin Romito, recently published an article giving some insight into […]
Read articleRACT 2 Compliance Reporting… No Reason to Wait
Posted: March 21st, 2019
January 1, 2017 feels like forever ago, but for most of us at ALL4, that date sticks with us. Why? January 1, 2017 was the final compliance deadline for Pennsylvania facilities subject to the Reasonably Available Control Technology (RACT) 2 […]
Read articleThe Green New Deal: What Is It, Really?
Posted: March 19th, 2019
On Thursday, February 7th, 2019, Rep. Alexandria Ocasio-Cortez (D-NY) introduced H.Res.109, a resolution calling for a “Green New Deal”. There are many articles and opinion pieces floating around about the Green New Deal, so I thought taking an objective look […]
Read articleRepresenting MSS Emissions in the Emissions Inventory
Posted: March 19th, 2019
A good portion of the Texas refineries are taking a deep breath as the Refinery Sector Rule (RSR) compliance date is behind us, but the work isn’t over yet. The end of January means the environmental reporting season is upon […]
Read articleReflections from 2018 Year End Reporting – Part 5: Production Data Discrepancies
Posted: March 6th, 2019
Welcome to the last of a five-part blog series hosted by ALL4’s Continuous Monitoring Systems (CMS) Practice Area that looks back at some of the key points of discussion that came up while completing reports for the second half and […]
Read articleReflections from 2018 Year End Reporting – Part 4: DAHS Server Upgrades
Posted: March 6th, 2019
Welcome to the fourth of a five-part blog series hosted by ALL4’s Continuous Monitoring Systems (CMS) Practice Area that looks back at some of the key points of discussion that came up while completing reports for the second half and […]
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North 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 […]
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