Adenosine Triphosphate (ATP) Testing ATP testing is an advanced analysis for thoroughly evaluating a biological treatment system. Because...

Wastewater Temperature in the Bioreactor Operators know that when the temperature of the wastewater entering the bioreactor is too high,...

Activated Sludge Design Parameters This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater...

Much to My Dismay! I am a strong advocate for the use and value of oxygen uptake rate (OUR) testing. I find this simple procedure to be...

Join the IWA The International Water Association (IWA) is a water/wastewater organization I highly recommend you join. As a member you...