2022 Look Ahead
Posted: January 5th, 2022
This is a multi-part series consisting of 20 articles to celebrate ALL4’s 20th anniversary. Stay tuned for part 2 coming soon! Introduction // Colin McCall I am excited and honored to once again introduce ALL4’s annual Look Ahead. Part of […]
Read articleComing Soon: Cumulative Impact Analyses (CIA) for Certain Categories of Air Quality Permits
Posted: November 18th, 2021
ALL4 has seen interest and activity around Cumulative Impacts Analyses (CIA) for air emissions sources lately, both at the federal and state level. For example, the Governor of Massachusetts, Charlie Baker, signed “An Act Creating a Next Generation Roadmap for […]
Read articlePennsylvania Updates Air Permitting Exemption Document
Posted: September 15th, 2021
On June 26, 2021, the Pennsylvania Department of Environmental Protection (PADEP) published a notice in the Pennsylvania Bulletin, finalizing amendments to the Air Quality Permit Exemptions document (guidance or exemption document), PADEP ID: 275-2101-003, which was last updated in 2018. This […]
Read articlePennsylvania RACT III Update: Draft Rule Published, Comment Period Is Now Open
Posted: August 25th, 2021
On August 7, 2021, the draft rule affectionately known as “RACT III” [25 Pa. Code §§ 129.111-129.115, Additional RACT Requirements for Major Sources of NOX and VOCs for the 2015 Ozone NAAQS] was published in the Pennsylvania bulletin. This marks […]
Read articleWhat’s New with New Source Review?
Posted: August 18th, 2021
During the previous administration, we saw quite a bit of work by the U.S. Environmental Protection Agency (EPA) around New Source Review (NSR). As a reminder, the NSR permit program includes the prevention of significant deterioration (PSD) and the nonattainment […]
Read articlePFAS: State-by-State Regulatory Update
Posted: July 22nd, 2021
Given the current lack of all-encompassing federal environmental regulation around per- and polyfluoroalkyl substances (PFAS), states are taking it upon themselves to set their own standards amid growing public scrutiny. With proposed house bills, rejections of bills, and other PFAS […]
Read articleNew Landfill Air Regulations May Inspire a Round of Tic Tac Toe
Posted: July 9th, 2021
If it seems like you’ve been hearing a lot about air quality regulations for landfills over the last few years, that’s because there are seven different Subparts under Parts 60, 62, and 63 to Title 40 of the Code of […]
Read articleTexas Rule Changes to Incorporate Project Emissions Accounting for Air Permitting
Posted: June 22nd, 2021
On June 11, 2021, the Texas Commission on Environmental Quality (TCEQ) approved the long-awaited changes to 30 TAC §116 regarding project emissions accounting (PEA). The newly approved changes will become effective on July 1, 2021. Per an interoffice memorandum dated […]
Read articleBay Area AQMD Emergency Engine BACT Ruling
Posted: June 15th, 2021
On December 22, 2020, the California Bay Area Air Quality Management District (BAAQMD) adopted a new Guideline Document that revised the Best Available Control Technology (BACT) emissions standards found under BAAQMD Regulation 2, Rule 2 for emergency standby-power diesel-fired engines […]
Read articleTexas’ Renewal of Stormwater Multi-Sector General Permit
Posted: June 9th, 2021
The Texas Commission on Environmental Quality (TCEQ) regulates facilities associated with industrial activity that discharge stormwater to surface water under the Stormwater Multi-Sector General Permit (MSGP), TXR050000. This permit authorizes point source discharges associated with industrial activity and certain non-stormwater […]
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