Air Quality Compliance

U.S. EPA Announces New Guidance Portal

Posted: March 13th, 2020

In a February 28, 2020 Federal Register notice, the U.S. Environmental Protection Agency (U.S. EPA) announced a new web portal that allows the public to search for agency guidance documents.  The creation of this portal was mandated by the October […]

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U.S. EPA Updates RMP Rule

Posted: February 18th, 2020

U.S. EPA Largely Rescinds The 2017 Risk Management Plan Rule Changes On December 19, 2019, the U.S. Environmental Protection Agency (U.S. EPA) issued the final rule rescinding most of the significant amendments to the Accidental Release Prevention Requirements under the […]

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ALL4’s Texas 2020 Look Ahead

Posted: January 29th, 2020

As we transition from 2019 into the next decade, let’s focus on our crystal ball and see what environmental happenings may be in store for Texans in 2020.  But first, it would be a mistake to not look back at […]

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40 CFR Part 63, Subpart O Comments and Information Request

Posted: January 14th, 2020

On December 12, 2019, U.S. EPA issued an advance notice of proposed rulemaking (ANPRM) requesting information from the ethylene oxide (EtO) sterilization industry, including companies, trade associations, and control technology vendors.  In addition to the ANPRM, U.S. EPA is seeking […]

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Update on 40 CFR Part 63, Subpart MM

Posted: January 7th, 2020

The anticipated proposed amendments to 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) were published in the Federal Register on October […]

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Tennessee’s Move to Online Emissions Inventory Submittal

Posted: December 17th, 2019

The Tennessee Division of Air Pollution Control (APC) Emissions Inventory Team has recently finalized the switch to an internet-based system for air emissions inventory reporting, referred to as the State/Local Emissions Inventory System (SLEIS). Starting with the 2019 emissions inventory […]

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Highlights from the 2019 TCEQ Autumn Conference

Posted: October 31st, 2019

ALL4 attended the Texas Commission on Environmental Quality (TCEQ) Autumn Conference, where many updates were discussed in the areas of permitting, legislative decisions, and management structure. Read on to learn more about the conference updates. The new TCEQ Office of […]

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