Showing 1381-1395 of 5068
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Association between per- and polyfluoroalkyl substances and sex hormone levels in males based on human studies
Science
22 Jan 2024 | Ecotoxicol Environ Saf
In a meta-analysis of 12 studies involving 7506 participants, exposure to PFNA and PFOA was found to be negatively correlated with male testosterone levels, emphasizing the need to consider these chemicals as potential risk factors for male reproductive health.
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Evaluation of per- and polyfluoroalkyl substances (PFAS) released from two Florida landfills based on mass balance analyses
Science
21 Jan 2024 | Waste Manag
The PFAS mass flux leached from disposed solid waste was found to be approximately 1-3% of the total amount, with the majority captured by leachate collection systems. These results may help prioritize waste management strategies and PFAS treatments over an estimated release period of at least 40 years.
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IAFF Endorses Military Fire Fighter PFAS Compensation Bill
Policy
19 Jan 2024
The IAFF is proud to throw its support behind the Military Fire Fighters PFAS Compensation Bill (H.R. 6946), introduced by U.S. Reps. Marilyn Strickland and Bill Posey.
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[Video] CDC urges more blood testing on 'forever chemicals'
News
19 Jan 2024 | ABC News
A new guidance by the Centers for Disease Control and Prevention recommend doctors consider more blood testing for PFAS.
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[Video] Artificial turf contains dangerous chemicals like PFAS — and there's no way to discard it safely
News
19 Jan 2024 | NPR
The artificial turf in many Americans’ backyards and schools is incredibly difficult to get rid of. And it turns out there is no safe way to recycle it.
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Could floating plant islands help remove PFAS from waterways in the Cape Fear Basin?
News
18 Jan 2024 | NC Health News
A recent study by Swedish researchers suggests that plants could play a role in purifying PFAS-contaminated wetlands.
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Updated PFAS Guidance for Doctors Omits Follow-Up Tests
News
18 Jan 2024 | Bloomberg Law
The Centers for Disease Control and Prevention (CDC) released clinical guidance and a related fact sheet that it updated following advice it received in a report from the National Academies of Sciences, Engineering, and Medicine, the nation’s primary federal advisory institute.
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CDC now encouraging doctors to consider more blood testing for “forever chemicals”
News
18 Jan 2024 | ABC News
Doctors are now being encouraged to consider more blood testing for PFAS, also known as “forever chemicals,” according to guidance released by the CDC.
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Wear and Tear May Cause Firefighter Gear to Release More ‘Forever Chemicals’
News
16 Jan 2024 | NIST
NIST's follow-up study on firefighter turnout gear found over 20 types of PFAS, with increased release during wear and tear, highlighting potential health risks and prompting the need for alternative manufacturing methods to minimize PFAS exposure in protective clothing.
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Elevated levels of serum per-and poly-fluoroalkyl substances (PFAS) in contact lens users of US young adults
Science
16 Jan 2024
Analysis of NHANES data revealed that contact lens users in the U.S. young adult population, particularly females, exhibit higher serum concentrations of PFAS such as PFOA and PFOS, suggesting that contact lens use may contribute significantly to PFAS body burden and pose a potential public health concern.
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Occurrence of perfluoroalkyl substances in canned tuna and their impact on food safety
Science
16 Jan 2024 | Food Control
The study highlights the potential risk of food contamination from PFAS, particularly in canned tuna, emphasizing concerns about their toxicity as endocrine disruptors, immunosuppressants, and carcinogens, with detected PFOS and PFNA levels below the established Tolerable Weekly Intake for the average Italian consumer but posing a potential concern for high consumers due to multiple sources of PFAS intake.
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Tree barks for retrospective measurement and source appointment of airborne perfluoroalkyl and polyfluoroalkyl substances
Science
16 Jan 2024 | Environ. Pollut.
Tree bark was found to be a valuable bioindicator for assessing airborne PFAS pollution, offering a long-term perspective on historical PFAS emissions and allowing for the characterization and tracking of sources, as demonstrated in a study of eight cities in southern Jiangsu Province, China.
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Evaluating the toxicokinetics of some metabolites of a C6 polyfluorinated compound, 6: 2 fluorotelomer alcohol in pregnant and nonpregnant rats after oral exposure to the parent compound
Science
16 Jan 2024 | FCT
Following oral exposure, both pregnant and nonpregnant rats exhibited potential biopersistence of 6:2 fluorotelomer alcohol (6:2 FTOH) and its metabolites, particularly 5:3 fluorotelomer carboxylic acid (5:3A), highlighting the need for additional research on human health implications.
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The Cost of Freeing Drinking Water from ‘Forever Chemicals’
News
15 Jan 2024 | Undark
The U.S. EPA's upcoming standard setting a maximum contaminant level of 4 parts per trillion for PFAS in drinking water is prompting utilities like the Greater Augusta Utility District in Maine to gear up for costly updates, raising concerns about the effectiveness, health impacts, and economic burden of the stringent regulation.
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Per/Polyfluoroalkyl Substances (PFASs) in a Marine Apex Predator (White Shark, Carcharodon carcharias) in the Northwest Atlantic Ocean
Science
14 Jan 2024 | ACS Environmental Au
This study highlighted the accumulation of PFAS in plasma and muscle tissue of white sharks in the Northwest Atlantic Ocean far from pollution sources and noted some geographical differences in PFAS body burdens that may be due to differences in the diet among these distinct shark populations.