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August 2020

Webinar: Harmful Algal Bloom and Taste & Odor Testing

August 18 @ 1:30 pm - 2:30 pm EDT

"This is the second Webinar in a series on Drinking Water Analysis. We will define the category of Harmful Algal Blooms (HABs), including associated Federal and State regulations which drive sampling for these constituents in managing algal toxin and taste & odor events in source waters. We will also highlight the diversity of testing options available at Eurofins and provide real-world examples of how Eurofins has supported response to and mitigation of HABs for its customers.

Topics which will be covered:

* Federal and State HABs Regulations
* Test Methodologies available to support HABs and Taste & Odor events
* Examples of method and reporting applicability for HABs projects"

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Webinar: PFAS Webinar Series, Part 1: PFAS Basics

August 25 @ 1:30 pm - 2:30 pm EDT

"Per- and polyfluoroalkyl substances (PFAS) are a family of synthetic compounds containing thousands of chemicals formed from carbon (C) chains with fluorine (F) atoms attached. The C-F bond is one of the shortest and strongest bonds in nature, and is responsible for most of the unique and useful characteristics of these compounds.

Perfluorooctane sulfonate (PFOS) and Perfluorooctanoic acid (PFOA) are fully fluorinated compounds and were the most widely produced and studied of these chemicals. PFAS are used in a wide variety of industrial and commercial products such as textiles, leather, aqueous film forming foams (AFFF), metal finishing, semi-conductors, paper and food packaging, coating additives, photo lithography, cleaning products and pesticides.

PFOA and PFOS are persistent in the environment and are resistant to typical environmental degradation processes. As a result, they are widely distributed and are found in soil, sediments, groundwater, air and tissue across the United States. According to the US EPA, certain PFAS can bioaccumulate in the human body, and there is evidence that exposure to PFAS can lead to adverse health outcomes.

Topics which will be covered:
* A review of the chemistry and nomenclature
* Sources of PFAS in the environment
* Exposure pathways and risk
* A glimpse of the limited guidance and regulation that is available nationwide
* Discerning between the various analytical approaches
* Evaluating sampling protocols and best practices
* Introduction to precursors and replacement chemicals"

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