4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
New Nitrogen Dioxide Ambient Air Quality Standard Could Pose Challenges
Posted: February 26th, 2010
In the more than 200 air quality modeling analyses that ALL4 meteorologists have conducted, demonstrating compliance with the annual nitrogen dioxide (NO2) National Ambient Air Quality Standard (NAAQS) of 53 parts per billion (ppbv) has rarely been an issue. The […]
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Pennsylvania Proposes to Adopt Effluent Standards for New High TDS Wastewater Discharges
Posted: February 21st, 2010
The Pennsylvania Department of Environmental Protection (PADEP) is proposing to amend 25 Pa. Code Chapter 95 (relating to Wastewater Treatment Requirements) to establish new effluent standards for new sources of wastewaters containing high Total Dissolved Solids (TDS) concentrations. The Environmental […]
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Air Modeling Dispersion Program Update
Posted: February 14th, 2010
The Air and Waste Management Association (AWMA) held a conference entitled Guideline on Air Quality Models: Next Generation of Models in Raleigh, NC from October 28 – 30, 2009. During the conference representatives from U.S. EPA’s Air Quality Modeling Group […]
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Boiler MACT and CISWI Test Data Available On-Line
Posted: February 10th, 2010
Last summer, U.S. EPA notified over 100 facilities that they were being called upon to conduct stack testing as part of the Agency’s information gathering efforts to address the vacated National Emissions Standards for Hazardous Air Pollutants for Industrial, Commercial, […]
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The GHG Monitoring Plan Due Date is Approaching. Will You Be Ready?
Posted: February 4th, 2010
U.S. EPA’s Greenhouse Gas Mandatory Reporting Rule (GHG MMR) codified at 40 CFR Part 98 requires that facilities subject to the rule have a complete written GHG Monitoring Plan by April 1, 2010. At a minimum, a GHG Monitoring Plan […]
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U.S. EPA Proposes Revisions to Ozone NAAQS
Posted: January 18th, 2010
In May 2008, states, environmental groups, and industry groups filed petitions with the D.C. Circuit Court of Appeals (Court) for review of the 2008 ozone standards. In March 2009, the Court granted a U.S. EPA request to stay the litigation […]
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U.S. EPA Identifies Additional Industries for Possible Financial Responsibility
Posted: January 9th, 2010
On January 6, 2010, U.S. EPA published an advanced notice of proposed rulemaking (ANPRM) in the Federal Register that identifies additional classes of facilities within three (3) industries for which it plans to develop proposed requirements for financial responsibility under […]
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U.S. EPA Proposes Revisions to Ambient Lead Monitoring Network
Posted: January 4th, 2010
On October 15, 2008, U.S. EPA revised the National Ambient Air Quality Standards (NAAQS) for lead from 1.5 micrograms per cubic meter (µg/m3) to 0.15 µg/m3, measured as total suspended particles (TSP). In January 2009, U.S. EPA received a petition […]
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U.S. EPA Proposes to Withdraw Emission Comparable Fuel Exclusion
Posted: December 22nd, 2009
The December 8, 2009 Federal Register included a notice that U.S. EPA is proposing to withdraw certain provisions of the Resource Conservation and Recovery Act (RCRA) rule under Subtitle C that provide for the exclusion of comparable fuel, emission-comparable fuel […]
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First U.S. Construction Permit with CO2 Limits Issued
Posted: December 13th, 2009
On November 30, 2009, the Idaho Department of Environmental Quality (IDEQ) issued the first construction permit in the U.S. containing specific limits on emissions of CO2. The permit was issued to Southeast Idaho Energy, LLC for the construction of a […]
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