U.S. EPA Proposes 1-hour National Ambient Air Quality Standard for Sulfur Dioxide
Posted: November 27th, 2009
On November 17, 2009, U.S EPA announced that they were proposing to establish a new 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) between 50 and 100 parts per billion by volume (ppbv) (i.e., approximately 130 to 260 […]
Read articleHMIWI Final NSPS/EG: SSM Exemption Removed, Perceived MACT-on- MACT/Pollutant-by-Pollutant Approach
Posted: October 29th, 2009
We posed the question in the March 2009 issue of 4 The Record as to why a rule about hospital, medical, and infectious waste incineration would get the attention of the American Forest & Paper Association (AF&PA), the American Chemistry Council (ACC), the Alliance […]
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U.S. EPA Finalizes Flexible Permit Rule (Again)
Posted: October 26th, 2009
On October 6, 2009, U.S. EPA finalized a flexible permitting rule that was initially proposed on September 12, 2007 (see our February 2008 4 The Record article for an analysis of the proposed rule). The rule was previously finalized on January 13, 2009, […]
Read articleU.S. EPA Proposes NESHAP for Chemical Preparations Industry Area Sources
Posted: August 30th, 2009
On August 5, 2009, U.S. EPA published a proposal for the control of hazardous air pollutants (HAPs) from the chemical preparations industry area source category. This source category consists of industrial operations that mix, mill, blend, and/or extrude chemicals that […]
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Proposed Revision to NO2 NAAQS Could Pose Problems Under PSD
Posted: August 23rd, 2009
In the July 2009 issue of 4 The Record, ALL4 included a summary of U.S. EPA’s announcement concerning a proposed new short-term (1-hour) National Ambient Air Quality Standard (NAAQS) for nitrogen dioxide (NO2). The proposed standard will likely range between 150 µg/m3 and 188 µg/m3. […]
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Update: PM2.5 New Source Review Regulations
Posted: August 18th, 2009
On May 16, 2008 U.S. EPA issued a final rule amending the New Source Review (NSR) regulations to add requirements related to particulate matter with an aerodynamic diameter of less than 2.5 microns (PM2.5). ALL4’s PM2.5 Team published 4 The Record articles […]
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Pennsylvania Expected to Request “Case-by-Case” Boiler MACT Applications
Posted: August 2nd, 2009
In the August 29, 2009 Pennsylvania Bulletin, the Pennsylvania Department of Environmental Protection (PADEP) is expected to provide notice that “case-by case” Maximum Achievable Control Technology (MACT) applications will be required to be submitted by facilities that were subject to […]
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New U.S. EPA Administration Reconsidering NSR Rules
Posted: May 29th, 2009
On April 24, 2009, U.S. EPA sent out three separate letters in response to requests it had received to consider various apsects of the New Source Review (NSR) air permit rules that had been promulgated during the latter stages of the Bush […]
Read articlePennsylvania to Control Emissions from the Use of Adhesives, Sealants, Primers, and Solvents
Posted: April 28th, 2009
The Pennsylvania Environmental Quality Board (EQB) has proposed regulations that would control emissions from the use of adhesives, sealants, primers, and solvents. The proposed rulemaking would regulate the owner or operator of a facility or stationary source that uses or […]
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U.S. EPA Proposes Air Toxics Standards for Reciprocating Internal Combustion Engines (RICE)
Posted: April 19th, 2009
On February 25, 2009, U.S. EPA released proposed National Emissions Standards for Hazardous Air Pollutants (NESHAPs) for stationary Reciprocating Internal Combustion Engines (RICE) that are not currently regulated by the existing, so called, RICE MACT (i.e., 40 CFR Part 63, […]
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