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Australian Government: National Measurement InstituteAustralian Government: National Measurement Institute
National Measurement Institute

Improved PFOS and PFOA Measurement Reliability

PFOS (perfluorooctane sulfonate) and PFOA (perfluorooctanoic acid) are common synthetic fluorinated chemicals of considerable global concern which enter the environment through routes such as the use of legacy fire-fighting foams; some studies have found elevated levels of perfluorinated chemicals in fire fighters.

PFOS and PFOA are highly resistant to degradation, persistent in the environment, are known to be toxic to humans and wildlife, accumulate along the food chain and are regulated by the International Stockholm Convention for Persistent Organic Pollutants.

Proficiency testing assesses the performance of different labs and analytical methods by comparing their results for a single sample; participation in proficiency tests helps provide end-user confidence in overall data quality and the reliability of results.

NMI has now conducted and completed Australia’s first proficiency study for PFOS and PFOA in soil and water. The project was funded by CRC CARE and carried out in collaboration with the Environment Protection Authority Victoria.

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