Search results with tag "Polyfluoroalkyl substances"
Short-chain Polyfluoroalkyl Substances (PFAS)
www2.mst.dkA survey of PFOS, PFOA and other perfluoroalkyl and polyfluoroalkyl substances (here collectively referred to as PFAS) were undertaken in 2012 as part of the surveys of the Danish EPA of the 40 substances/substance groups on the Agency's List of Undesirable Substances (LOUS). On the basis of the survey, the Danish EPA developed
The family tree of per- and polyfluoroalkyl substances ...
www.atsdr.cdc.govpolyfluoroalkyl substances (PFAS) for environmental health professionals Names and abbreviations 6/9/17 This fact sheet tells you about chemical names within the family of per- and polyfluoroalkyl substances (PFAS) and their basic chemical structure. It also spells out abbreviations for common PFAS.
Naming Conventions and Physical and Chemical ... - PFAS
pfas-1.itrcweb.orgProperties of Per- and Polyfluoroalkyl Substances (PFAS) 1 Introduction The following topics are covered in this fact sheet: • Polymer vs. Nonpolymer PFAS • Perfluoroalkyl substances • Polyfluoroalkyl substances • PFAA Naming Conventions • Long-Chain vs. Short-Chain • Linear vs. Branched • Acid vs. Anion • Replacement Chemistry
History and Use of Per- and Polyfluoroalkyl Substances (PFAS)
pfas-1.itrcweb.orgMany state regulatory agencies now request or require testing for an expanded list of long- and short-chain PFAAs, and some potential precursors to PFAAs, such as fluorotelomers. Other polyfluoroalkyl substances are also receiving increased attention, as illustrated in Figure 3 …
Per- and Polyfluoroalkyl Substances (PFAS) Sampling …
www.waterboards.ca.gov2 March 20, 2019 1.0 INTRODUCTION Per- and polyfluoroalkyl substances (PFAS) are a class of manufactured compounds that are extensively used to make everyday items more resistant to stains, grease, and water.
Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
www.epa.gov1 U.S. Environmental Protection Agency EPA/600/F-17/022f │Updated June 2019 . Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Methods and guidance for sampling and analyzing water and other environmental media. Background
EPA’s Per- and Polyfluoroalkyl Substances (PFAS) Action Plan
www.epa.govEPA’s PFAS Action Plan | 1 I. Executive Summary Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals that have been in use
Per- and Polyfluoroalkyl Substances (PFAS) Laboratory ...
www.asdwa.orgAssociation of State Drinking Water Administrators PFAS Lab Testing Primer (Version 2) February 14, 2019 Per- and Polyfluoroalkyl Substances (PFAS) Laboratory Testing Primer
Addendum for Per- and Polyfluoroalkyl Substances (PFAS) in ...
www.michigan.govpolyfluoroalkyl substances) because it is a more comprehensive terminology and is less confused with perfluorocarbons (also abbreviated as PFCs), which are greenhouse gases. This
Analysis of per/polyfluoroalkyl substances (PFASs) in ...
www.agilent.comPer- and polyfluoroalkyl substances (PFASs) are man-made compounds widely used as surfactants, fire retardants, waterproofing, and nonstick and nonstain agents. Their unique properties make them persistent and ubiquitous in the environment and in animals. Research suggests that
Method 533: Determination of Per- and Polyfluoroalkyl ...
www.epa.govmultiple short-chain per- and polyfluoroalkyl substances (PFAS) that cannot be measured by Method 537.1. This publication meets an agency commitment identified within the 2019 EPA . PFAS Action Plan . Publication of the method, in and of itself, does not establish a requirement, although the use of this
6:2 FluorotelomerSulfonate (6:2 FTS) - NASF
nasf.orgHistorically, the metal plating industry has used, and continues to use, per- and polyfluoroalkyl substances (PFAS) in some metal plating applications. Most notably, beginning in the 1980s, perfluorooctanesulfonic acid (PFOS) was used as a mist suppressant in hard and decorative chromium ... the formation of the short -chain perfluorocarboxylic ...
Multi-Industry Per- and Polyfluoroalkyl Substances (PFAS ...
www.epa.govMore recently, industry has developed and adopted alternative short-chain PFAS chemistries to replace long-chain PFAS. Many short-chain PFAS are structurally similar to their long-chain predecessors being replaced and are manufactured by the same companies. Publicly available health, toxicity, and hazard assessments of short-chain PFAS are limited.
Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
www.niehs.nih.govPO Box 12233 • Research Triangle Park, NC 27709 Phone: 919-541-3345 • www.niehs.nih.gov March 2019 National Institutes of Health U.S. Department of Health and Human Services
Department of Defense
media.defense.govI. ESTABLISHMENT, PURPOSE, AND SCOPE A. ESTABLISHMENT The Secretary of Defense established the Per and Polyfluoroalkyl Substances (PFAS) Task Force on July 23, 2019, herein referred to as the Task Force.