Chemicals Impacting Septic System Health and An Update on MIC

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The National Precast Concrete Association is hosting a webinar that will discuss chemicals of emerging concern and provide an update on microbiologically induced corrosion and how to mitigate it.

The webinar will run from noon to 2 p.m. Eastern on Thursday, Dec. 1.

Facilitators of the course are Sara Heger, Ph.D., an Onsite Sewage Treatment Program Research Engineer at the University of Minnesota; and Claude Goguen, P.E., LEED AP, Director of Sustainability and Technical Education for the NPCA.

Course Description
Septic systems are being negatively impacted by the use and disposal of varying chemicals, cleaners, medicines and antibacterial products. This presentation will cover how to identify this problem and troubleshoot the system. In addition, chemicals of emerging concern, which are showing up in our lakes, rivers, streams, groundwater and even in tap water, will be discussed. This is concerning for our health but how do these chemicals impact our septic systems? This presentation will discuss what they are, how they can potentially be removed and what we can do as an industry to limit their impact. We will conclude this session with an update on NPCA’s studies on microbiologically induced corrosion. There are many myths and theories on how the process of MIC works and what can be done to mitigate its effects. Through substantial laboratory studies at Purdue University and numerous field studies, NPCA members feel they have a better understanding of the process and some interesting strategies to mitigate it. We will briefly explain the MIC process, examine the results of the studies conducted and discuss current and future projects to further enhance concrete durability in MIC-prone conditions.

Learning Objectives
At the conclusion of this course, you will be able to:

  • Describe specific impacts of newer products used today on the microbiological process in a septic tank.
  • Explain the potential environmental impacts of various products on local groundwater and surface waters.
  • Identify three things we can do now to limit these impacts.
  • Discuss current findings of NPCA studies on MIC.
  • Describe three things that can be done to potentially reduce the risk of MIC in concrete tanks.

Register here.


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