CleanAir Blog


The need to reduce cycle time and drive efficiency throughout the value chain will always be a critical business focus. And with the digital transformation of environmental monitoring, we can shift these requirements away from historically being[…]


Automated Systems: Dr. Dave Video

Automation and the internet of things is quickly moving from a magical sci-fi concept to an everyday reality. We are living in a unique time where a wide range of sensors and actuators are available ranging from low cost to robust industrial[…]


Lima Refining Company Flare Consent Decree

The Department of Justice recently entered a Consent Decree with the United States District Court for the Northern District of Ohio in the lawsuit entitled United States v. Lima Refining Company, Civil Action No. 3:17-cv-01320-JZ.Among other issues[…]

Proposed Exxon Mobil flare consent decree

On October 31, 2017, the Department of Justice lodged a proposed consent decree with the United States District Court for the Southern District of Texas in the lawsuit entitled United States and the Louisiana Department of Environmental Quality[…]


Years of experience in the Northwest has taught us something important...

Being closer together is better for both of us. Since the fall of 2016, our new office in Sumner, Washington has made it possible for CleanAir to better serve your needs faster and more efficiently. While our location in Sumner is relatively new,[…]


Sorbent Trap User Group Meeting

Our goal is to provide a forum to exchange knowledge and experience that is important for successful sorbent trap monitoring. Sessions will benefit persons involved in all aspects of sorbent trap monitoring.

Why Should Plants Care About EPA's Recent Changes for Condensable Particulate Measurement?

What do EPA's proposed changes to Method 202 mean for someone who is hiring a contractor to perform stack emission sampling?

In late August of 2017, EPA proposed revisions to Method 202 for condensable particulate matter (CPM). EPA states that its[…]


Preparing for a Successful Stack Test

A successful stack test begins long before your favorite stack testing company arrives at your facility. In fact, a successful stack test begins before you choose a stack testing company! When you are planning for your test, the first thing to do[…]


What's next generation compliance?

Dr. Volker Schmid's article on Next Generation Compliance was recently published in the WPCA Summer News Letter!

The five core components of next generation compliance are advanced monitoring, regulation and permit design, innovative enforcement,[…]


VOC Adsorption and Recovery Publication in Environmental Science & Technology

Activated carbon fiber cloth (ACFC), shown in the scanning electron microscope image above, is a novel adsorbent that can be used for volatile organic compound (VOC) control. One of the unique qualities that separates ACFC from the more[…]


New Flare Consent Decree Lodged

A new flare consent decree has been released by the Department of Justice. Excerpt from the June 6, 2017 Federal Register...

On May 30, 2017, the Department of Justice lodged a proposed Consent Decree with the United States District Court for the[…]


Using Drones to Measure Stack Emissions

On a recent project, CleanAir used an open-path Active FTIR (AFTIR) system coupled with a drone (or unmanned aerial vehicle, UAV) to analyze pollutants in on a high, inaccessible stack. This is not the Passive FTIR system employed in many of the[…]