
4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
U.S. EPA Issues Supplemental Proposal to Oil and Natural Gas Sector Methane and VOC Rules
Posted: January 4th, 2023
On December 06, 2022, the U.S. Environmental Protection Agency (U.S. EPA) released a supplement to its proposed rule from November 15, 2021 which amended existing New Source Performance Standards (NSPS) for Crude Oil and Natural Gas Facilities (40 CFR Part […]
Read articleAnalysis of the Recent Report “Examining Supply-Side Options to Achieve 100% Clean Electricity by 2035”
Posted: December 22nd, 2022
Introduction The National Renewable Energy Laboratory (NREL) is a national laboratory of the U.S. Department of Energy that develops renewable energy technologies and strategies to promote the United States’ energy and environmental goals. In 2022, NREL released a report titled […]
Read articleCommon Sampling System Issues that Lead to Errors in Analysis and How to Avoid Them
Posted: December 21st, 2022
What Issues May Come Up During Stack Testing? When stack testing, there are a lot of moving parts that go into the operation to ensure that the stack testing event goes smoothly. Because of this, there are several common issues […]
Read articleU.S. EPA Proposes to Remove TRI De Minimis Exemption for PFAS
Posted: December 15th, 2022
On December 5, 2022, U.S. Environmental Protection Agency (U.S. EPA) released a proposed rule pursuant to the National Defense Authorization Act (NDAA) for Fiscal Year 2020 which adds per- and polyfluoroalkyl substances (PFAS) to the list of “Lower Thresholds for […]
Read article
Big Changes for California Annual Emissions Report Starting in 2023
Posted: December 14th, 2022
Recent changes to California’s Criteria Air Pollutants and Toxic Air Contaminants Reporting (CTR) requirements, which were designed to establish a uniform system for reporting annual emissions data and collect more data from stationary sources, are set to start phasing in […]
Read articleThe State of Georgia State Implementation Plan (SIP) Startup, Shutdown, and Malfunction Policy Disapproval
Posted: December 14th, 2022
Introduction In early 2013, the United States Environmental Protection Agency (U.S. EPA) reviewed each State Implementation Plan (SIP) policy regarding excess emissions during startup, shutdown, and malfunction (SSM) events. The goal was to determine if the SIP portions dealing with […]
Read article
Environmental Justice Tools Update: EJScreen 2.1 and CEJST 1.0
Posted: December 7th, 2022
U.S. EPA Releases EJScreen 2.1 On October 11, 2022, the United States Environmental Protection Agency (U.S. EPA) released a new version of their EJScreen tool, EJScreen 2.1. EJScreen is an environmental justice (EJ) screening and mapping tool that combines environmental and […]
Read articleProposed Rule Mandates CDP Reporting and SBTi Target-Setting for U.S. Federal Suppliers
Posted: December 6th, 2022
On November 10, 2022, the White House Council on Environmental Quality (CEQ) announced during the 27th Conference of the Parties to the U.N. Framework Convention on Climate Change (COP27) in Sharm El Sheikh, Egypt a proposal called the Federal Supplier […]
Read articleCalifornia Senate Bill 158 – What Is It and Who Is the Board of Environmental Safety?
Posted: November 30th, 2022
On July 13, 2021, California Governor Gavin Newsom signed Senate Bill 158 (SB 158) into law to address shortcomings of the Department of Toxic Substances Control (DTSC) and to protect the health of exposed communities. The bill aims to improve […]
Read articleThe Latest on Startup, Shutdown, and Malfunction (SSM) Provisions in Air Quality Regulations
Posted: November 29th, 2022
There has been a lot of activity regarding Startup, Shutdown, and Malfunction (SSM) provisions in state and federal regulations over the last few years. Namely, exemptions from emissions standards during SSM events are being removed from the regulations. The fundamental […]
Read article