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Blog posts tagged with 'c13 and native dioxins'

Wellington Laboratories Environmental Reference Standards | Greyhound Chromatography
Wellington Laboratories Reference Standards supplied by Greyhound Chromatography
6:2/8:2diPAP Reference Standard | Wellington Laboratories | Greyhound Chromatography
New Wellington Laboratories Product 6:2/8:2diPAP Available from Greyhound Chromatography
Triclosan damaging the environment | Greyhound Chromatography
Is triclosan, an antibacterial agent in soaps and body washes, damaging the aquatic environment?
Cl-PFOPA Perfluoroalkylphosphonic acids (PFAPAs)| Greyhound Chromatography
Cl-PFOPA Perfluoroalkylphosphonic acids (PFAPAs) Available from Greyhound Chromatography
Wellington Reporter | ISO 21675:2019 Solution/Mixtures
Wellington Reporter | ISO 21675:2019 Solution/Mixtures
ISO 21675:2019 | Wellington Laboratories | Greyhound Chromatography

ISO 21675:2019 Solution/Mixtures

ISO 21675-NSS

ISO 21675-LSS

ISO 21675:2019 Solution/Mixtures

ISO 21675:2019 Solution/Mixtures

 

PFAS and Other Toxic Chemicals in our Drinking Water 

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Images of Drinking Water

For over 30 years the European Union have worked tirelessly to protect the integrity of our drinking water.  EU officials have recently reached a provisional agreement to update the Union's 1998 Drinking Water Directive to tighten up the permissible limits allowed for both PFAS and several other drinking water contaminants, including bisphenol-A, microplastics, lead and chromium.   The at the time of writing the European Parliament and Council are still to formally approve the proposal. 

European drinking water standards currently far exceed the standards set in the United States but this is a changing picture as state by state new instances of contaminants are emerging.  Currently, the U.S. Environmental Protection Agency has only issued a nonenforceable health advisory of 70 ppt for PFOA, formerly used by DuPont to make Teflon, and PFOS, formerly an ingredient in 3M’s Scotchgard. Those compounds are no longer manufactured in the U.S., but they and other PFAS contaminate the drinking water for an estimated 110 million Americans. PFOA, PFOS and some other PFAS chemicals have been linked to cancer, thyroid disease, reproductive and immune system problems, and other health harms.

The european Parliament and the Council of the European Union have released new requirements for the analysis of per- and perfluoroalkyl substances (PFAS) in water intended for human consumption (5813/20).  This amendment to Council Directive 98/83/EC included perfluoroalkanesulfonates that are not commercially available.  In response to this Wellington Labroatories, Canada, is pleased to announce that its chemists have synthesized, purified, characterized and prepared accurate certified reference standards of the required substances: sodium perfluoro-1-undecanesulfonate (L-PFUds) and sodium perfluoro-1-tridecanesulfonate (L-PFTrDS).  Wellington Laboratories have also prepared a native solution/mixture (EU-5813-NSS) that contains all of the PFAS listed in the drinking water directive (5813/20) for your convenience.  This solution/mixture can be used in conjunction with two of Wellington's existing mass-labelled PFAS mixtures to easily prepare a calibration set for quantification. 

Suggested extraction standard mixture :  MPFAC-C-ES

Suggested injection standard mixture:     MPFAC-C-IS

Chemical Structures

Wellington L-PUds Product List

wellington Laboratories Reference standard

Wellington Laboratories Reference Standard

Wellington Laboratories Drinking water Chromatogram

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New Wellington Products: Volatile PFAS: Native perfluoroalkanesulfonamides and Perfluoraolkanesulfonamidoethanols
New Wellington Products: Volatile PFAS: Native perfluoroalkanesulfonamides and Perfluoraolkanesulfonamidoethanols
New Wellington Products: PFAS Mixtures of Linear and Branched Isomers
New Wellington Products: PFAS Mixtures of Linear and Branched Isomers
New Wellington Products: Mass-Labelled Organochlorine Pesticides
New Wellington Products: Mass-Labelled Organochlorine Pesticides
New Halogenated Flame Retardant Dechlorane 604 Component B | Wellington Laboratories | Greyhound Chromatography
New Halogenated Flame Retardant Dechlorane 604 Component B