Showing 1456-1470 of 1559
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Levels of Perfluoroalkyl Acids (PFAAs) in Human Serum, Hair and Nails in Guangdong Province, China: Implications for Exploring the Ideal Bio-Indicator
Science
11 Jun 2020 | Arch. Environ. Contam. Toxicol.
Significant positive correlations were observed between nail and serum for PFOS, PFOA, and PFHxS, suggesting that human nails are a promising bio-indicator for PFAS risk assessment.
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Nontargeted mass-spectral detection of chloroperfluoropolyether carboxylates in New Jersey soils
Science
10 Jun 2020 | Science
The historical legacy-PFAS fingerprint for sources in New Jersey was developed.
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In Vivo Generation of PFOA, PFOS, and Other Compounds From Cationic and Zwitterionic Per- And Polyfluoroalkyl Substances in a Terrestrial Invertebrate (Lumbricus terrestris)
Science
10 Jun 2020 | ES&T
Earthworms were found to only partially breakdown PFAS indicating that not all fluorinated compounds can be broken down by enzymes.
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Biomonitoring of PFOA, PFOS and PNFNA in human milk from Czech Republic, time trends and estimation of infant’s daily intake
Science
10 Jun 2020 | Env. Res.
PFASs analyzed in human milk samples and compared with intake with provisional Tolerable Weekly Intake levels showed an increased risk for infants.
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Total oxidizable precursor assay in the determination of perfluoroalkyl acids in textiles collected from the United States
Science
10 Jun 2020 | Env. Poll.
PFCA precursors were found in textiles.
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Per- and poly-fluoroalkyl substances (PFAS) current status and research needs
Science
10 Jun 2020 | Environ. Tech. & Inn.
This paper is intended to capture the shared information, comments, and current thinking related to PFAS challenges and research needs as identified by the group of expert participants; the write up is not intended to be a complete dissertation on the science and work that has been carried out.
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Photochemical transformation of perfluoroalkyl acid precursors in water using engineered nanomaterials
Science
10 Jun 2020 | Water Res.
Nano-additives used in packaging and products were found to degrade PFAS precursors into PFOA and PFOS in association with sunlight.
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Per- and polyfluoroalkyl substances in blood plasma - Results of the German Environmental Survey for children and adolescents 2014-2017 (GerES V)
Science
10 Jun 2020 | Int J Hyg Environ Health
Children's exposure levels of PFOA and PFOS were found to still be significant even after the phase-out of these chemicals in commerce.
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ASDWA publishes new PFAS – source water protection guide and toolkit
News
5 Jun 2020 | ASDWA
The purpose of the guide and toolkit is to demonstrate and share effective strategies for addressing PFAS contamination risk in source waters that will help inform policy decisions, assist state drinking water programs in protecting public health, and encourage collaboration and communication among states and water utilities.
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Suitability of Remediated PFAS-Affected Soil in Cement Pastes and Mortars
Science
3 Jun 2020 | Sustain.
PFAS remediated soil was found to be an adequate additive in concrete and cementitious applications, such as roads.
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Developing field device to detect PFAS contamination
News
3 Jun 2020 | News Wise
Potentially harmful man-made chemicals used in firefighting foam and consumer products have contaminated groundwater and even private wells near military, industrial and disposal sites across the country—including Joe Foss Field and Ellsworth Air Force Base in South Dakota.
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Study finds PFAS exposure may cause early menopause in women
News
3 Jun 2020 | Endocrine Society
Per- and polyfluoroalkyl substance (PFAS) exposure may cause menopause to occur two years earlier in women, according to a new study published in the Endocrine Society’s Journal of Clinical Endocrinology & Metabolism.
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Prevalence of Per- And Polyfluoroalkyl Substances (PFASs) in Drinking and Source Water From Two Asian Countries
Science
2 Jun 2020 | Chemosphere
Short-chain PFAS was detected in prepackaged and re-fill station water.
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Multi-year atmospheric concentrations of per- and polyfluoroalkyl substances (PFASs) at a background site in central Europe
Science
2 Jun 2020 | Env. Poll.
Significant increases in air concentration were found for PFHpA, PFTrDA, PFDS, MeFOSA, and EtFOSA from 2012-2014.
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Determination of transformation products of per- and polyfluoroalkyl substances at trace levels in agricultural plants
Science
2 Jun 2020 | J. Chrom A
Plant samples from contaminated fields contained intermediate transformation products with the highest concentrations in the leafy portions of the plant.