California Air Resources Board Proposes Rules to Phase out Hexavalent Chromium Use at Chrome Plating and Chromic Anodizing Facilities
Posted: July 25th, 2023
In late May, California Air Resources Board (CARB) proposed updated airborne toxics rules for chromium electroplating and chromic acid anodizing operations to phase out hexavalent chromium use by chrome plating and chromic acid anodizing facilities, citing both the potent toxicity […]
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U.S. EPA Releases the ECHO Clean Air Tracking Tool (ECATT) and EJScreen 2.2
Posted: July 19th, 2023
In the last few weeks, the United States Environmental Protection Agency (U.S. EPA) has released one new tool, the Enforcement and Compliance History Online (ECHO) Clean Air Tracking Tool (ECATT), and updated another, releasing EJScreen version 2.2. These new tools […]
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What you Need to Know About Recently Finalized Updates to Philadelphia’s Air Toxics Regulations Effective January 1, 2024
Posted: July 13th, 2023
Philadelphia’s Air Management Services (AMS) recently posted edits to its May 2022 proposed revisions to Air Management Regulation (AMR) VI concerning the control of emissions of toxic air contaminants (TACs), sometimes referred to as air toxics. At a public meeting […]
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How to Properly Locate Stack Monitoring Equipment
Posted: July 5th, 2023
One of the biggest challenges with any continuous monitoring system (CMS) is the collection of representative data. While the technology has been around for decades, it continues to suffer from several issues such as low flow rates, non-laminar flow, sample […]
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U.S. EPA Proposes Electronic Reporting Requirements for RICE
Posted: June 28th, 2023
On June 26, 2023, the U.S. Environmental Protection Agency (U.S. EPA) proposed revisions to the following 40 CFR Part 60 [Standards of Performance for New Stationary Sources, also referred to as New Source Performance Standards (NSPS)] and 40 CFR Part […]
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Proposed Rule to Control Emissions from Flares in Ventura County, California.
Posted: June 28th, 2023
Under California Assembly Bill 617 (AB 167), Air Districts in nonattainment for one or more air pollutants were required to adopt an expedited schedule by January 2021 for the implementation of Best Available Retrofit Control Technology (BARCT)1 by December 31, […]
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Colorado Air Quality Control Commission Adopts Environmental Justice Protections
Posted: June 20th, 2023
On May 18, 2023, Colorado’s Department of Public Health and Environment (CDPHE) had its Air Quality Control Commission (Commission) adopt enhanced protections to implement the Colorado Environmental Justice Act (Act). The Act, signed into law by Colorado governor Jared Polis […]
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U.S. EPA’s Proposed Updates to Air Emissions Standards For Ethylene Oxide Commercial Sterilization Facilities
Posted: May 9th, 2023
More than three years after posting an Advance Notice of Proposed Rulemaking (ANPRM), review of information submitted by industry in response to Clean Air Act (CAA) Section 114 requests, and significant public and industry outreach, the U.S. Environmental Protection Agency […]
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Offshore Wind Farms & Air Permitting Challenges
Posted: May 4th, 2023
The race towards the Biden administration’s goal of having 30 gigawatts of offshore wind online by 2030 has led to a flurry of projects aimed at helping the United States achieve this objective, with construction of one major 800-megawatt offshore […]
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Recent Revisions to U.S. EPA Reference Method 23
Posted: April 26th, 2023
The U.S. Environmental Protection Agency (EPA) has released a revised version of 40 CFR Part 60, Appendix A –Method 23. [88 Fed. Reg. 16732 (Mar. 20, 2023)]. Even the title changed: from “Determination of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans from […]
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