Showing 3271-3285 of 4940
-
A tale of PFAS, pollution, and patent claims
News
27 Mar 2021 | C&EN
Analytical reference standards are not known for attracting intrigue and drama. Recently, though, the specter of patent infringement lawsuits has prevented researchers from quantifying environmental contamination by a perfluorinated “forever chemical.”
-
Per- and polyfluoroalkyl mixtures toxicity assessment "Proof-of-Concept" illustration for the hazard index approach
Science
25 Mar 2021 | J Toxicol Environ Health A
Hazard index scores were used as an initial assessment of multiple health effects of fluorinated mixtures.
-
Getting control of PMT and vPvM substances under REACH
Events
25 Mar 2021
This workshop will feature case studies of selected, emerging PMT/vPvM substances that are attracting increasing attention (e.g. ChemSEC's SIN List).
-
UK ‘flying blind’ on levels of toxic chemicals in tap water
News
25 Mar 2021 | The Guardian
The UK government has so far only made plans to make plans to understand the levels of drinking water pollution.
-
[Press Release] California to list notorious ‘forever chemical’ as a cause of cancer in people
News
24 Mar 2021 | EWG
The California Environmental Protection Agency’s Office of Environmental Health and Hazard Assessment, or OEHHA, said March 19 that PFOA “meets the criteria for listing as known to the state to cause cancer under Proposition 65,” based on the findings of a National Toxicology Program report last year.
-
‘Buyer beware’: Ads hide PFAS cookware risks
News
24 Mar 2021 | E&E News
Consumers trying to avoid toxic chemicals in their nonstick cookware face convoluted advertising claims that can confuse even the most well-informed buyers.
-
Suspect Screening, Prioritization, and Confirmation of Environmental Chemicals in Maternal-Newborn Pairs from San Francisco
Science
24 Mar 2021 | Environ Sci Technol
Methyl perfluoroundecanoate and 2-perfluorooctyl ethanoic acid were found in newborns during a critical development period.
-
Prenatal exposure to mixtures of persistent endocrine-disrupting chemicals and birth size in a population-based cohort of British girls
Science
24 Mar 2021 | Epidemiology
PFAS was determined to be the most important contributor to the association with decreased birth weight.
-
Norlite burned toxic AFFF in greater amounts – and longer – than previously thought, records show
News
23 Mar 2021 | Times Union
Because aqueous film forming foam, or AFFF, is not federally classified as a hazardous waste, there was no requirement that either the shipper – the Department of Defense – nor Norlite had to report its incineration.
-
The new PFAS C6O4 and its effects on marine invertebrates: First evidence of transcriptional and microbiota changes in the Manila clam Ruditapes philippinarum
Science
23 Mar 2021 | Environ Int
PFOA replacement was found not to be significantly less toxic.
-
Fate and transport of per- and polyfluoroalkyl substances (PFASs) in the vadose zone
Science
23 Mar 2021 | Sci Total Environ
In this review, we critically discuss the current state of the knowledge and aim to interconnect the complex processes that control the fate and transport of PFASs in groundwater.
-
Characterization of an AFFF impacted freshwater environment using total fluorine, extractable organofluorine and suspect per- and polyfluoroalkyl substance screening analysis
Science
23 Mar 2021 | Chemosphere
A tool was developed to close the organofluorine mass balance and to tentatively identify overlooked PFASs in various water sources.
-
Plasma Concentrations of Per- and Polyfluoroalkyl Substances and Body Composition from Mid-childhood to Early Adolescence
Science
23 Mar 2021 | J Clin Endocrinol Metab
Early-life exposure to some but not all PFAS may be associated with adverse changes in body fat levels.
-
Occurrence and fate of legacy and novel per- and polyfluoroalkyl substances (PFASs) in freshwater after an industrial fire of unknown chemical stockpiles
Science
23 Mar 2021 | Environ Pollut
Acute high dose exposure to PFASs can result from industrial fires at sites storing or stockpiling PFAS-based waste products.
-
Sediment quality assessment framework for per- and polyfluoroalkyl substances: results from a preparatory study and REGULATORY IMPLICATIONS
Science
23 Mar 2021 | Integr Environ Assess Manag
PFOS is a suitable indicator of PFAS contamination in sediments from small streams, being the most detected and on average with the highest concentrations among the analyzed PFAS in Switzerland.