Due to their wide-spread use and subsequent leaching from materials, PFAS are so ubiquitous that they are frequently detected throughout the environment and in 2009, they were classified as persistent organic pollutants (POPs) within the Stockholm Convention. Due to their persistent, ubiquitous nature, and possible toxicity, most regulatory agencies worldwide closely monitor the use, occurrence, and impact of both traditional/common and newer, replacement short-chain PFAS.
Currently, there are no legal regulations pertaining to PFAS monitoring, although the most common PFAS (PFOS and PFOA) are included in many advisory guidelines. The United States EPA has established a drinking water health advisory level of 70 ppt (ng/L) for total levels of PFOS and PFOA. In Europe, the Water Framework Direcive and Drinking Water Directive have set minimum quality standards of PFOS and PFOA which range from the ppb to sub-ppt levels.
Reaching the required detection levels set by the U.S. EPA or the European Union in the Water Framework Directive, requires a highly sensitive mass spectrometer, or sample preparation that provides a concentration step. Whether employing a direct injection method or sample concentration, steps have to be taken to avoid any contamination of the samples from the LC system or the SPE cartridges used.
During this webinar we will discuss:
A large volume injection method following in accordance with ASTM 7979-17
An off-line SPE methodology adapted from ISO 25101
Hints and tips regarding minimizing PFAS contamination from the lab
The live Q&A session will be moderated by Dr. Emily Rose Britton, Food And Environmental Specialist, and our presenter, Dr. Kari Organtini will answer any questions related to PFAS analyses.
Speakers
Kari Organtini, Ph.D.
Senior Scientist
Waters Corporation
Kari Organtini is a senior scientist at Waters Corporation and has been with the company for five years. She received her PhD from Penn State University in 2015 studying the occurrence of dioxins and furans in fire debris and their implications to first responder health. At Waters, Kari is part of the food and environmental applications team. Kari has developed applications using both LC and GC techniques for a variety of applications ranging from pesticides to persistent organic pollutants during her career. She is currently the scientific lead for developing PFAS applications at Waters.
Moderator - Dr. Emily Britton
Food and Environmental Specialist
Waters Corporation
Emily Rose Britton is the Food, Natural Products and Environmental Specialist at Waters Corporation and has been with the company for two years. She received her PhD from the University of North Carolina Greensboro, where she studied untargeted metabolomics as a tool for investigating plant medicines for antimicrobial activity against MRSA. At Waters, Emily is part of the East Region sales team and serves as a subject matter expert in natural products, food, beverage and environmental analysis, from routine to research applications.
Register Here.