Showing 661-675 of 1564
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Michigan judge sides with 3M, invalidates PFAS cleanup rules
Policy
17 Nov 2022
he state of Michigan did not follow proper administrative procedure when setting groundwater cleanup standards for PFAS chemicals, according to a judicial order which invalidated those rules this week but did not immediately prohibit their continued usage.
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California sues over PFAS ‘forever chemicals’ that taint water
Policy
14 Nov 2022
A lawsuit filed Thursday by the state of California accuses 3M, Dupont and 16 smaller companies of covering up the harm caused to the environment and the public from chemicals manufactured by the firms that have over decades found their way into waterways and human bloodstreams.
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PFAS in San Francisco Bay Water
News
14 Nov 2022 | San Fransisco Estuary Institute & The Aquatic Science Center
Scientists with the San Francisco Bay RMP detected PFAS, also known as “forever chemicals,” at parts per trillion concentrations in the waters of the Bay.
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Apparent Half-Lives of Chlorinated-Perfluorooctane Sulfonate and Perfluorooctane Sulfonate Isomers in Aviation Firefighters
Science
11 Nov 2022 | Environ Sci Technol
The average half-life of Cl-PFOS among firefighters with previous exposure to fluorinated AFFF was 5.0 years, although other forms of PFOS had half-lives ranging from 4-11.5 years.
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California Sues 3M and DuPont Over PFAS Chemicals
Policy
10 Nov 2022
California is suing 3M Co. and DuPont de Nemours Inc. along with other manufacturers of PFAS, a collection of chemicals that have been linked to health issues including cancer and are commonly found in consumer products such as fabrics, food packaging and cookware.
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California Atty. Gen. Rob Bonta sues makers of cancer-causing ‘forever chemicals’
Policy
10 Nov 2022
The state of California on Thursday sued the manufacturers of a class of chemicals known as “forever chemicals” that are found in a variety of consumer items including food packaging and cookware and are linked to cancer and other illnesses.
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Per- and Poly-Fluoroalkyl Substances in Runoff and Leaching from AFFF-Contaminated Soils: a Rainfall Simulation Study
Science
10 Nov 2022 | Environ Sci Technol
PFAS concentrations in AFFF-contaminated soils declined significantly after the first rainfall event, but desorption and transport in both runoff and leachates persisted over several rainfall events.
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Legacy and emerging airborne per- and polyfluoroalkyl substances (PFAS) collected on PM2.5 filters in close proximity to a fluoropolymer manufacturing facility
Science
9 Nov 2022 | Environ Sci Process Impacts
Twelve emerging and ten legacy PFAS compounds were detected in aerosol samples around a fluoropolymer manufacturing facility at concentrations higher than at regional background sites, suggesting the manufacturing facility as the local source for these compounds.
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Baltimore sues companies over ‘forever chemical’ pollution in waterways and water system
News
7 Nov 2022 | The Baltimore Banner
Baltimore sued a slew of chemical companies Friday, accusing them of “knowingly” allowing hazardous PFAS chemicals to contaminate its waterways and water system.
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States take on PFAS ‘forever chemicals’ with bans and lawsuits
News
5 Nov 2022 | The Washington Post
They don’t naturally break down and are so widespread that they are found in the blood of 97 percent of Americans.
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Organic Fluorine as an Indicator of Per- and Polyfluoroalkyl Substances in Dust from Buildings with Healthier versus Conventional Materials
Science
4 Nov 2022 | Environ Sci Technol
Classrooms renovated with “healthier” furniture and carpeting reported to be PFAS-free had on average 66% less PFAS and 49% less extractable organic fluorine levels in dust compared to conventional rooms, demonstrating that materials solutions reduce the accumulation of PFAS within buildings.
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3M Agrees to EPA Order to Sample and Provide Treatment for PFAS Contamination in Drinking Water near Cordova, IL Facility
Policy
3 Nov 2022
EPA Enforcement Part of Agency Strategy to Characterize and Address PFAS Releases from Major Manufacturers
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Issuance Of Notification And Response Levels For Perfluorohexane Sulfonic Acid (PFHxS) In Drinking Water, Updated Monitoring Orders
Policy
2 Nov 2022
The Deputy Director of the State Water Board’s Division of Drinking Water, California issued a notification level of 3 parts per trillion (ppt) and a response level of 20 ppt for PFHxS.
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Treatment technologies for removal of per-and polyfluoroalkyl substances (PFAS) in biosolids
Science
2 Nov 2022 | J. Chem. Eng.
Different PFAS destruction technologies such as incineration, hydrothermal liquefaction, pyrolysis, thermal hydrolysis, supercritical water oxidation, and several other processes, are discussed in this review.
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Developing an Exposure Burden Score for Chemical Mixtures Using Item Response Theory, with Applications to PFAS Mixtures
Science
2 Nov 2022 | Environ Health Perspect
A novel exposure burden score method for chemical mixtures was developed and applied to estimate the exposure burden of PFAS mixtures and resulted in stronger estimated associations with cardio-metabolic outcomes in the general U.S. population compared to summed PFAS concentrations.