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Blog posts tagged with 'halogenated flame retardants and perfluoronated co'

Perfluorinated Products NativeTelomer Acrylates and Acetates | Wellington Laboratories | Greyhound Chromatography
Perfluorinated Products NativeTelomer Acrylates and Acetates | Wellington Laboratories supplied by Greyhound Chromatography
Perfluorinated Compounds (PFCs) | Greyhound Chromatography | Wellington Laboratories Reference Standards
Perfluorinated Compounds (PFCs) Supplied by Greyhound Chromatography manufactured by Wellington Laboratories
Individual PCBs: Mass-labeled Reference Standards | Wellington Laboratories | Greyhound Chromatography
Individual PCBs: Mass-labeled from Greyhound Chromatography
Brominated Flame Retardants | Analytical Reference Standards | Wellington Laboratories | Greyhound Chromatography
Brominated Flame Retardants & Related Compounds Greyhound Chromatography
Perfluorinated Compounds (PFCs)Reference Standards | Wellington Laboratories | Greyhound Chromatography
Perfluorinated Compounds (PFCs) from Greyhound Chromatography
PAH-CVS-B Calibration Reference Standards | Wellington Laboratories |Greyhound Chromatography
New Calibration Set: PAH-CVS-B Greyhound Chromatography
Mass-labelled Telomer Alcohols (FTOHs) | Wellington Laboratories | Greyhound Chromatography
Mass-labelled Telomer Alcohols : New Product available from Greyhound Chromatography
Brominated Flame Retardants | Certified Reference Standards | Wellington Laboratories | Greyhound Chromatography
Wellington Laboratories Brominated Flame Retardants
Native Potassium Perfluoro-4-ethylcyclohexanesulfonate (PFECHS) Certified Reference Standard | Wellington Laboratories | Greyhound Chromatography
Examination of Commercial Samples of Perfluoroethylcyclohexane Sulfonate: Another Source of PFOS Isomers
Killer Whales Threatened by PCB Pollution Wellington Laboratories | Greyhound Chromatography

PCB Pollution Threatens to Wipe Out Killer Whales

Article by Aarhus University | September 2018

Killer Whale

More than 40 years after the first initiatives were taken to ban the use of PCBs, the chemical pollutants remain a deadly threat to animals at the top of the food chain. A new study, just published in the journal Science, shows that the current concentrations of PCBs can lead to the disappearance of half of the world's populations of killer whales from the most heavily contaminated areas within a period of just 30-50 years.

Killer whales (Orcinus orca) form the last link in a long food chain and are among the mammals with the highest level of PCBs (polychlorinated biphenyls) in their tissue. Researchers have measured values as high as 1300 milligrams per kilo in the fatty tissue (blubber) of killer whales. For comparison, a large number of studies show that animals with PCB levels as low as 50 milligrams per kilo of tissue may show signs of infertility and severe impacts on the immune system.

Together with colleagues from a wide range of international universities and research institutions, researchers from Aarhus University have documented that the number of killer whales is rapidly declining in 10 out of the 19 killer whale populations investigated and that the species may disappear entirely from several areas within a few decades.

Killer whales are particularly threatened in heavily contaminated areas like the waters near Brazil, the Strait of Gibraltar and around the UK. Around the British Isles, the researchers estimate that the remaining population counts less than 10 killer whales. Also along the east coast of Greenland, killer whales are effected due to the high consumption of sea mammals like seals.

PCBs accumulate in the food chain

The killer whale is one of the most widespread mammals on Earth and is found in all of the world's oceans from pole to pole. But today, only the populations living in the least polluted areas possess a large number of individuals.

Overfishing and man-made noise may also affect the health of the animals, but PCBs particularly can have a dramatic effect on the reproduction and immune system of the killer whales.

Killer whales whose diet includes, among other items, seals and large fish such as tuna and sharks critical accumulate PCBs and other pollutants stored at successive levels of the food chain. It is these populations of killer whales that have the highest PCB concentrations and it is these populations that are at the highest risk of population collapse. Killer whales that primarily feed on small-sized fish such as herring and mackerel have a significantly lower content of PCBs and are thus at lower risk of effects.

PCBs have been used around the world since the 1930s. More than one million tonnes of PCBs were produced and used in, among other things, electrical components and plastics. Together with DDT and other organic pesticides—PCBs have spread around the global oceans.

Through the 1970s and 1980s, PCBs were banned in several countries and in 2004, through the Stockholm Convention, more than 90 countries have committed themselves to phase out and dispose of the large stocks of PCBs.

A Full Range of Certified Reference Standards and Materials available from Wellington Laboratories. 

About Wellington Laboratories

For Over 35 years Wellington Laboratories Inc. has been internationally recognised as a trusted source of high quality reference standard solutions for use in environmental/analytical testing and toxicological research. Wellington Laboratories offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluorinated compounds. Wellington Laboratories also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods or modified in-house methods.

Wellington’s Reference Standards are used mainly in Environmental/analytical testing and toxicological research. Wellington offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluoronated compounds. Wellington also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods of modified in-house methods.

Wellington Laboratories are committed to the distribution of quality products as well as the maintenance of excellent customer service. In fact, in order to provide your customers with the best possible service, Wellington have three ISO certifications (ISO 9001:2008, ISO/IEC 17025:2005, and ISO Guide 34:2009) which cover all aspects of planning, production, testing, distribution, and post-distribution service. These certifications allow Wellington Laboratories to monitor and maintain the highest level of quality and service and also allow their customers to satisfy the requirements of their own ISO certifications.

Wellington’s ISO/IEC 17025:2005 accreditation has been certified by the Canadian Association for Laboratory Accreditation Inc. (CALA) the scope is available for review on the CALA Directory of Accredited Laboratories (http://www.cala.ca).

Similarly, Wellington’s ISO Guide 34:2009 accreditation has been certified by ANSI-ASQ National Accreditation Board (ANAB), the certificate and scope are available on their website (http://anab.org/).

We are able to supply hard copies of any of the ISO certificates for yourself and your customers.

 

Perfluorinated Compounds (PFCs)

Perfluorinated compounds (PFCs) are an emerging class of environmental contaminants. Their unique properties create a host of analytical challenges that require the use of native and mass-labelled standards for the generation of accurate data. The most notable PFCs include PFOS (perfluorooctanesulfonate) and PFOA (perfluorooctanoic acid) and Wellington currently offers multiple mass-labelled standards for these compounds to meet your analytical needs. In fact, Wellington offers a large selection of native and mass-labelled per- and poly-fluorinated compounds, including:

Perfluoroalkylcarboxylic Acids (PFCAs)
Perfluoroalkylsulfonates (PFASs)
Perfluorooctanesulfonamides (FOSAs)
Perfluorooctanesulfonamidoethanols (FOSEs)
Perfluorooctanesulfonamidoacetic acids (FOSAAs)
Telomer Alcohols (FTOHs)
Telomer Acids (FTAs)
Telomer Sulfonates (FTSs)
Perfluoroalkylphosphonic acids (PFAPAs)
Perfluoroalkylphosphinic acids (PFPi’s)

 

      

Wellington Reporter - Native and Mass-Labelled Organochlorine Pesticides - August 27, 2018 

Native and Mass-Labelled Organochlorine Pesticides

In response to customer requests, Wellington Laboratories is proud to announce a new line of native and mass-labelled Organochlorine Pesticides (OC Pesticides).  To start, Wellington Laboratories are introducing solution/mixtures that contain select OC pesticides, and related compounds, that are listed in the Stockholm convention. 

Wellington Reporter Extract

    Wellington Reporter Extract

Wellington Reporter Extract

Also Available from Wellington Laboratories:

Mass-Labelled anti-Dechlorane Plus Ma-DP ,  Wellington Laboratories Certified Reference Standard

Wellington Reporter Mass-Labelled anti-Dechlorane Plus Ma-DP - August 27, 2018

Dechlorane Plus® (DP) is a current use additive polychlorinated flame retardant with a variety of applications including electronic cables and wiring, and plastic building materials.  Due to rising concerns regarding the presence of DP, and its related compounds, in environmental samples, Wellington Laboratories has expanded their DP product line to include a mass-labelled anti-DP certified reference standard which will aid in the analysis of this group of compounds. 

 

Mass-Labelled anti-Dechlorane Plus Ma-DP Structure

Wellington Reporter Extract

 Further Information about Wellington Products 

Perfluorinated Compounds (PFCs) Certified Reference Standards

Wellington Laboratories started to synthesize perfluorinated compounds in 2004 and since then has regularly added new native and mass-labelled standards to their inventory.   In the current Wellington Laboratories catalogue, pages 141 - 159 yiou will find individual standards of the following groups of compounds including, in most cases, mass-labelled analogues as well as some useful soultions/mixtures:

PFC-C-CVS Calibration Set and Support Solutions

Perfluoroalkanesulfonates (PFASs)

Perfluoroalkylcarboxylic acide (PFCAs)

Perfluorooctanesulfonamides (FOSAs)

Perfluorooctanesulfonamidoethanols (FOSEs)

Perfluorooctanesulfonamidoacetic (FOSAAs)

Fluorinated Telomer Alcohols (FTOHs)

Fluorinated Telomer Acids (FTAs)

Unsaturanted Telomer Acids (FTUAs)

Perfluoroalkylphosphonic Acids (PFAPAs)

Perfluoroalkylphosphonic Acids (X:XPFPi)

Polyfluorinated Phosphate Esters (PAPs and SAmPAPs)

Fluorinated Telomer Acrylates and Acetates (FTAcrs and FTOAcs)

 

PFCs are still emerging environmental contaminents and each of the groups of compounds listed above pose unique analytical challenges.  In addition, the individual isomers, such as the branched PFOA and PFOS isomers, are being found to have different toxicokinetic and ecokinetic properties.  Thus Weliington Laboratories' inventory  of PFCs will continue to grow, please visit Wellington's website www.well-labs.com for announcements of new products. 

Full Range of Wellington Laboratories' Products

Posters Presented by Wellington Laboratories  Tree Frog Image

  

Debrominatiobn of PBDEs in DE-83 [TM] Technical mIx By Electrolysis

Scientists from Wellington Laboratories attend conferences and workshops on a regular basis. We believe that staying up-to-date with emerging environmental contaminants and global regulations allows us to offer the most relevant reference standards to our customers.

Attending conferences also allows us to share some of the research that is conducted at our facility in Guelph through poster and oral presentations. A few examples of posters presented by Wellington are provided below for your review.

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