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Webinar: Metalworking Fluid Microbiology Basics

Wednesday, July 17, 2013

12:00 PM - 01:30 PM

Join us for this webinar on the microbiology of metalworking fluids, and what you need to know about the subject. Our instructor will be Fred Passman.

Metalworking Fluid Microbiology Basics

Instructor: Dr. Fred Passman, BCA, Inc.

Where: STLE University, live webinar event broadcast to your computer

When: Wednesday, July 17, 2013 at 12-1:00 p.m., with optional Q&A from 1-1:30 p.m. Central Time

Cost: $39 for members, $59 for non-members


As scientific disciplines go, metalworking fluid (MWF) microbiology is a relative youngster; having just passed the half-century anniversary of the publication of the first scientific paper on the topic.  During that half-century, we seem to have come full cycle to where we started. The early papers investigated the presence of microbes that could infect exposed workers and cause disease.  Through the 1970’s and 80’s, most of the research focused on preventing microbes from degrading fluid performance and shortening fluid functional life.  Since the mid-1990’s the majority of MWF microbiology research has addressed potential health issues related to worker exposure to bioaerosols. There is still quite a bit of confusion about MWF microbiology, caused – in no small part – by the small number of MWF microbiologists. 

This webinar is a primer on MWF microbiology.  During the program, Dr. Passman will provide a basic explanation of what microbes are, the types of damage they can cause if left to grow uncontrolled in MWF and the health risks associated with bioaerosol exposure.  The first part of the webinar will discuss the types of microbes that are commonly found in MWF, why they thrive in the MWF environment and where they are most likely to be found in MWF systems.   The next part of the program will describe fluid, system and finished part damage related microbial life in MWF systems.  The final segment will explain how bioaerosols are generated and the common types of diseases caused by exposure to these aerosols. 

Although the webinar won’t discuss strategies for controlling microbial growth, it will provide the foundation of information needed to help plant operators and fluid managers to design cost-effect condition monitoring and microbial contamination control progams.


Dr. Passman is an STLE Fellow and Certified Metalworking Fluids Specialist with 35 years’ experience in environmental-industrial microbiology. Since 1973, Dr. Passman has conducted research and consulted to government and private industry on topics as diverse as composting municipal sewage sludge, U.S. EPA criteria for various groups of toxic substances in fresh-water systems, microbially enhanced oil recovery, and microbial contamination control in industrial process-fluids.  He is a member of numerous professional and trade organizations including ASTM and STLE. Within STLE, he is currently the Chair of the Education and Certification Harmonization Ad Hoc Committee. Dr. Passman is Chair of ASTM Subcommittee E.34.50 Health and Safety of Metalworking Fluids, Vice-chair of ASTM Committee E34 Occupational Health and Safety and is an active member of E.35.15 Antimicrobial Pesticides. He has drafted ASTM Standards for each of these committees.  Dr. Passman has twice received STLE’s Wilber Deutsch Memorial Award for writing excellence, and is a recipient of STLE’s P.M. Ku Award.  He has more than 40 publications to his name.

Contact Us

Phone: (847) 825-5536

Email: Kara Sniegowski at ksniegowski@stle.org

Reminder: Computer speakers or headphones are needed to hear the audio.

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