U.S. EPA Finalizes Guidance on Fine Particulates and Ozone Significant Impact Levels
Posted: May 1st, 2018
On April 17, 2018, the U.S. Environmental Protection Agency (U.S. EPA) Office of Air Quality Planning and Standards (OAQPS) finalized guidance and supporting documents recommending Significant Impact Levels (SILs) for ozone (O3) and fine particulates (PM2.5) that…
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“Excuse me, can we have your continuous emissions monitoring system (CEMS) data?”
Posted: April 26th, 2018
In a March 29, 2018 memorandum, the U.S. EPA announced that the Office of Inspector General (OIG) for the U.S. EPA plans to begin research to “evaluate the data quality of emissions monitoring data from large stationary sources of air pollution…
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Demonstrating Compliance and the Importance of Permit Language (Sweat the Details)
Posted: February 28th, 2018
On the air quality side of the world of environmental compliance, ALL4 is seeing an increased emphasis on monitoring and recordkeeping, more specifically, electronic data and electronic reporting, as related to demonstrating compliance with permit requirements. Such data may be […]
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Are You Submitting Your Diluent or Ancillary Monitor RATA Results Through CEDRI?
Posted: February 19th, 2018
Assisting clients with electronic reporting is a major part of my job responsibilities at ALL4. Consequently, I routinely communicate with specialists in U.S. EPA’s Policy and Program Division Sectors concerning electronic reporting matters…
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2018 Look Ahead
Posted: January 10th, 2018
Introduction to Annual Look Ahead 2018 Colin McCall Portions of this 4 The Record article is available as a podcast episode on ALL4’s Air Quality Insider At ALL4, before we make plans for the year ahead we always look backwards to […]
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How Electronic Reporting is Shaping Our Regulations
Posted: October 17th, 2017
U.S. EPA is required to review the technology-based standards (i.e., NESHAPs) and revise them ‘‘as necessary’’ no less frequently than every eight years. The historical completion of these reviews often required the U.S. EPA to submit data collection and emissions…
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PC NESHAP & Residual Risk and Technology Review (RTR) Updates
Posted: October 16th, 2017
The U.S. EPA published proposed amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) From the Portland Cement Manufacturing Industry (i.e., PC MACT or 40 CFR Part 63, Subpart LLL)…
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Sulfur Dioxide Data Requirements Rule Update: The Bell Signals the End of Round 3
Posted: September 17th, 2017
If you haven’t been keeping tabs, a lot has happened since our last update on our SO2 DRR page way back in January 2016. Most recently, U.S. EPA made final recommendations for attainment status for facilities in areas where air dispersion modeling was conducted (Round 3)…
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I (Heart) NY…and Its Meteorological Data Network
Posted: September 6th, 2017
Facilities in New York enjoy an air permitting advantage that is unavailable to facilities located in many other states: a dense network of meteorological data for use in air quality modeling evaluations. The Federal Department of Homeland Security worked with…
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TCEQ 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…
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