CleanAir Blog

infoBits: Condensable Particulate Sampling Bias

  1. Particulate is defined by the method used to measure it. Unlike chemically distinct emissions like carbon monoxide or nitrogen oxide, “particulate” can be composed of many different distinct compounds. Some of these compounds may be volatile[…]

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Generating Reliable Gas Turbine Performance Data

There are many reasons to conduct a gas turbine performance test, including determining compliance with acceptance guarantees, establishing benchmarks for performance monitoring and power purchase agreements, and determining performance parameter[…]

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EPA Responses to Refinery Flare AMELs Hit Federal Register

EPA today published their response to Alternative Means of Emission Limitation (AMEL) requests from four refineries and a chemical plant. These are: ExxonMobil (Baytown), Marathon (GBR and Garyville), Chalmette (Chalmette), and the chemical plant[…]

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What to Know About Conducting a Performance Specification 11 (PS-11) Test

Performance Specification 11 (PS-11) establishes the initial installation and performance procedures required for evaluating the acceptability of a particulate matter (PM) continuous emission monitoring system (CEMS). 

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Clean Air Engineering Is Now ISO 17025 Accredited

CleanAir is now accredited to ISO 17025, the international standard for competence of testing laboratories. This is in addition to two other accreditations we hold: ASTM D7036 (Standard Practice for Competence of Air Emission Testing Bodies) and[…] More

EPA Proposes Refinery Sector Rule Amendments - Part 2

This is Part 2 of my blog post on EPA's proposed amendments to the Refinery Sector Rule (RSR). Part 1 covered changes to Subpart CC (MACT 1). Part 2 covers changes to Subpart UUU (MACT 2) and Subpart Ja.

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EPA Proposes Refinery Sector Rule Amendments - Part 1

On Monday, March 19, 2018, US EPA issued proposed amendments to the Refinery Sector Rule (RSR). These amendments are based on three petitions of reconsideration filed with the agency -- two of these were joint submissions by the American[…]

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EPA Finalizes New Enclosed Flare AP-42 Emission Factors

On February 5, 2018, the EPA finalized its review of the existing VOC emissions factor for flares at natural gas production sites.

EPA evaluated test data available for flares at natural gas production sites, data from testing conducted by[…]

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Shell Flare Consent Decree Lodged

On February 12, 2018, the Department of Justice lodged a proposed consent decree with the United States District Court for the Eastern District of Louisiana. The alleged violations involve flares used at a chemical plant owned and operated by Shell[…]

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Salon Analyse Industrielle

http://www.analyse-industrielle.fr/

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EPA Allows Refineries to Measure Flare Vent Gas NHV with Mass Spectrometers

EPA has published a broadly applicable approved alternative test method (ALT-124) allowing refineries subject to 40 CFR 63, Subpart CC to use mass spectrometers to measure the net heating value of flare vent gas. The original language of the[…]

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infoBits: Smoking Flares

1) Flares tend to smoke (produce soot) in fuel-rich areas of the combustion zone when there is insufficient oxygen/temperature to complete the combustion process. In high efficiency flames, visible soot is produced within the combustion zone and[…]
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WPCA Winter 2017 Technical Journal

The Worldwide Pollution Control Association (WPCA) is a group of people and companies who are experts at some aspect of pollution control.  

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New Elliptical Pitot Tube for Water Flow Measurement

Water flow rate is often a critical measurement for various power plant components and systems including cooling towers, pumps, and condensers. For over 40 years the Simplex-type Pitot Tube has been the industry standard for accurate water flow[…]

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MATS Electronic Reporting (E-Reporting)

If your facility is an EGU that complies with Mercury and Air Toxics Standards (MATS), you are probably aware of some new electronic reporting dates in the coming year. On April 6, 2017, a final rule on MATS electronic reporting was published in[…]

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