What’s the Status of the 2015 Ozone NAAQS and What Regulatory Relief Options Are Available for States Implementing Ozone Standards?
Posted: September 14th, 2017
On June 6, 2017 U.S. EPA Administrator Scott Pruitt proposed extending the deadline for promulgating the initial area designations for the 2015 ozone National Ambient Air Quality Standards (NAAQS) citing “insufficient information.” The “insufficient information…
Read articleRecent Court Decisions Require Assessment of Greenhouse Emissions from Power Plants
Posted: September 5th, 2017
President Trump’s March 28, 2017 Presidential Executive Order on Promoting Energy Independence and Economic Growth (Order) directed U.S. EPA to suspend, revise, or rescind various Obama-era regulations intended to regulate greenhouse gas (GHG) emissions…
Read articleTCEQ Air Quality 101 Blog Series – Continuous Monitoring Systems (CMS)
Posted: September 5th, 2017
Close your eyes and imagine you are the conductor of a symphony orchestra. Now open them and come to grips with the fact that your orchestra is a Data Acquisition and Handling System (DAHS)! So have some fun with it…you are the conductor of an orchestra of probes/analyzers…
Read articleWill the Changes to the PM CEMS QA/QC Requirements Impact my PM CPMS?
Posted: August 31st, 2017
The answer is probability not. U.S. EPA has recently revised certain quality assurance requirements for sources using particulate matter (PM) continuous emission monitoring systems (CEMS) under 40 CFR Part 60 Appendix F, Procedure 2 (P2). P2 includes quality…
Read articleALL4’s Pennsylvania RACT 2 Toolbox
Posted: August 22nd, 2017
The Pennsylvania Department of Environmental Protection (PADEP) has new Additional Reasonably Available Control Technology (RACT 2) regulations that were proposed in mid April 2014. So, who’s affected? The RACT 2 regulations, when promulgated, will likely impact every major source of ozone […]
Read articleExtension of a Wool Fiberglass Manufacturing Compliance Deadline
Posted: August 14th, 2017
The National Emissions Standards for Hazardous Air Pollutants (NESHAP) located at 40 CFR Part 63 Subpart NNN regulates hazardous air pollutants (HAPs) emitted from wool fiberglass manufacturing facilities. The rule was first proposed in 1997 and finalized in its original form…
Read articleOhio EPA Requests Feedback Before Amending RACT Regulations
Posted: August 7th, 2017
The Ohio Environmental Protection Agency (Ohio EPA) is planning to amend its nitrogen oxides (NOX) reasonably available control technology (RACT) regulations, which are found at Ohio Administrative Code (OAC) 3745-110. In what is known as the Early Stakeholder…
Read articleProposed Industrial Cleaning Solvents RACT Rule is Out
Posted: August 1st, 2017
Does your facility use industrial cleaning solvents? If so, you should be aware that the Pennsylvania Department of Environmental Protection (PADEP) has proposed a new rule, 25 Pa. Code 129.63a – Control of Volatile Organic Compound (VOC) Emissions from…
Read articleNavigating State-Specific Air Toxics Programs
Posted: July 31st, 2017
Hazardous Air Pollutants (HAP), also commonly referred to as Toxic Air Pollutants (TAP) or air toxics, are those pollutants that are known or suspected to cause cancer or other serious health effects, such as reproductive effects, birth defects, or adverse […]
Read articleU.S. EPA Approves PADEP’s 2006 SIP Revision Via Direct Final Action
Posted: July 26th, 2017
It’s Friday, July 7,2017 and I’m reading Federal Register Vol. 82, No. 129 (my life is very exciting). As I stand here reading, I’m 37 years, 8 months, and 7 days old. Page 31464 of Federal Register Vol. 82, No. 129 includes a notice indicating that the…
Read article