4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
SCAQMD – Proposed Metal Recycling and Shredding Rule
Posted: August 15th, 2022
On July 1, 2022, the South Coast Air Quality Management District (SCAQMD or District) published an Initial Preliminary Draft of Proposed Rule 1460 for the control of particulate matter emissions from metal recycling and shredding operations. If promulgated, Rule 1460 […]
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Renewable Natural Gas – What Questions Should I Ask to Prepare for the Air Quality Permitting Process?
Posted: August 10th, 2022
INTRODUCTION This is the first of a series of ALL4 articles addressing topics related to Renewable Natural Gas (RNG) projects. This article will focus on what questions project developers can ask to acquire vital information needed to prepare for the […]
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California Storm Water TMDLs Explained
Posted: August 9th, 2022
California is divided into nine regional Water Quality Control Boards (Boards), governed by the State Water Board, that exercise rulemaking and regulatory activities in their respective basins. The Storm Water Program branch of these Boards regulates storm water discharge from […]
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Final Guidance on Ozone and Fine Particulate Matter Permit Modeling Issued by U.S. EPA
Posted: August 4th, 2022
The U.S. EPA Office of Air Quality Planning and Standards (OAQPS) published the “Final Guidance for Ozone and Fine Particulate Matter Permit” (Final Guidance) Modeling on July 29, 2022. The Final Guidance reflects the U.S. EPA’s recommendations for how stationary […]
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Plan for your NPDES Renewal
Posted: August 2nd, 2022
Third quarter is budgeting season for many of our clients, and if your National Pollution Discharge and Elimination System (NPDES) permit expires in 2023 or early 2024, now is the time to start planning for the NPDES renewal process! Following […]
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PFAS: State-by-State Regulatory Update (July 2022 Revision)
Posted: July 28th, 2022
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 […]
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U.S. EPA Finalizes Changes to Boiler MACT
Posted: July 25th, 2022
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial, Commercial, and Institutional Boilers and Process Heaters, which implements Maximum Achievable Control Technology (MACT) standards and is therefore also known as Boiler MACT, were promulgated on March 21, 2011, […]
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California OSHA – COVID-19 Prevention Emergency Temporary Standards – Extension
Posted: July 20th, 2022
The California Occupational Safety and Health Standards Board (OSHSB) is the standards-setting agency within the California Division of Occupational Safety and Health (better known as Cal/OSHA). On December 16, 2021, the OSHSB adopted revisions to the COVID-19 Prevention Emergency Temporary […]
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U.S. EPA Proposes Revisions to Gasoline Distribution Rules
Posted: July 19th, 2022
On June 10, 2022, the United States Environmental Protection Agency (U.S. EPA) proposed revisions to 40 CFR Part 63, Subparts R and BBBBBB, the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Gasoline Distribution Facilities at major (Subpart R) […]
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What to Know About Maryland’s New Storage Tank Regulations
Posted: July 18th, 2022
The Maryland Department of the Environment (MDE) updated Oil Pollution Control and Storage Tank Management regulation [Code of Maryland (COMAR) 26.10] became effective on June 13, 2022. The updates to COMAR 26.10 include the creation of new aboveground storage tank […]
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