POPs in the news

20/07/2016 -

US chemicals giant DuPont must pay more than $5 million (£3.8 million) to an Ohio man whose testicular cancer has been linked to drinking water contaminated with perfluorooctanoic acid (PFOA; C8) from a DuPont plant in West Virginia, a federal jury ruled on 6 July. More:
Chemistry World


DuPont found liable in second of 3400 cancer cases

US chemicals giant DuPont must pay more than $5 million (£3.8 million) to an Ohio man whose testicular cancer has been linked to drinking water contaminated with perfluorooctanoic acid (PFOA; C8) from a DuPont plant in West Virginia, a federal jury ruled on 6 July. More:
Chemistry World

19/07/2016 -

A panel of epidemiologists, toxicologists, microbiologists and other scientists critiqued and then supported the National Toxicology Program's draft analysis that concluded perfluorooctanoic acid, more commonly known as PFOA, and perfluorooctane sulfonate, or PFOS, are presumed to be immune hazards to humans. More: 


PFOA, PFOS Likely Hazardous to Immune System: Scientists

A panel of epidemiologists, toxicologists, microbiologists and other scientists critiqued and then supported the National Toxicology Program's draft analysis that concluded perfluorooctanoic acid, more commonly known as PFOA, and perfluorooctane sulfonate, or PFOS, are presumed to be immune hazards to humans. More: 

18/07/2016 -

Scientists at the Environmental Protection Agency have found that the majority of chemicals in use today have not been sufficiently examined for human health toxicity or environmental exposure. A new chemical bill was signed providing the decades-old Toxic Substances Control Act (TSCA) with a much-needed retrofit. More:
Smithsonian.com


Why Chemicals in the U.S. Are Still “Innocent Until Proven Guilty”

Scientists at the Environmental Protection Agency have found that the majority of chemicals in use today have not been sufficiently examined for human health toxicity or environmental exposure. A new chemical bill was signed providing the decades-old Toxic Substances Control Act (TSCA) with a much-needed retrofit. More:
Smithsonian.com

14/07/2016 -

How do we determine if a chemical is an endocrine disruptor? With more than 100,000 chemicals on the global market, it is a tremendous challenge to identify those that might cause harm to humans or wildlife. Scientists encourage decision makers around the world to adopt a new chemical evaluation tool that could save lives and money.


Identifying the "bad actors"— new challenges for the evaluation of endocrine disrupting chemicals

How do we determine if a chemical is an endocrine disruptor? With more than 100,000 chemicals on the global market, it is a tremendous challenge to identify those that might cause harm to humans or wildlife. Scientists encourage decision makers around the world to adopt a new chemical evaluation tool that could save lives and money.

02/07/2016 -

As part of the Contaminants in the Urban Environment series, an informative article is published on Perfluoroalkyl substances (PFASs), also known as perfluorochemicals (PFCs). The publication is intended to give a basic understanding of the occurrence, toxic effects, and source of various contaminants in the environment and a guidance on ways to protect human and environmental health. More:


Contaminants in the Urban Environment: Perfluoroalkyl Substances

As part of the Contaminants in the Urban Environment series, an informative article is published on Perfluoroalkyl substances (PFASs), also known as perfluorochemicals (PFCs). The publication is intended to give a basic understanding of the occurrence, toxic effects, and source of various contaminants in the environment and a guidance on ways to protect human and environmental health. More:

01/07/2016 -

In a new report, dozens of scientists, health practitioners and children's health advocates are calling for renewed attention to the growing evidence that many common and widely available chemicals endanger neurodevelopment in fetuses and children of all ages. More:


A host of common chemicals endanger child brain development

In a new report, dozens of scientists, health practitioners and children's health advocates are calling for renewed attention to the growing evidence that many common and widely available chemicals endanger neurodevelopment in fetuses and children of all ages. More:

01/07/2016 -

Biomonitoring data of persistent organic pollutants (POPs) in breast milk are increasingly collected and available for quantitative analysis of levels and time trends. Five recommendations are proposed for dealing with POP concentration trends in breast milk during three distinct periods (pre-ban, transition, post-ban period). More:
Recommendations for Evaluating Temporal Trends of Persistent Organic Pollutants in Breast Milk (Research article)


Recommendations for Evaluating Temporal Trends of Persistent Organic Pollutants in Breast Milk

Biomonitoring data of persistent organic pollutants (POPs) in breast milk are increasingly collected and available for quantitative analysis of levels and time trends. Five recommendations are proposed for dealing with POP concentration trends in breast milk during three distinct periods (pre-ban, transition, post-ban period). More:
Recommendations for Evaluating Temporal Trends of Persistent Organic Pollutants in Breast Milk (Research article)

29/06/2016 -

Fluorinated compounds are everywhere. A bouquet of poly- and perfluoroalkyl substances (PFASs), prized for their ability to repel both water and oils, have been used in diverse applications from non-stick frying pans to firefighting foams for decades. Yet they resist degradation, making them almost ubiquitous in the environment; and they tend to bioaccumulate in living creatures, raising health worries. More:
Chemistry World


Slippery customers - Perfluoroalkyl substances (PFASs)

Fluorinated compounds are everywhere. A bouquet of poly- and perfluoroalkyl substances (PFASs), prized for their ability to repel both water and oils, have been used in diverse applications from non-stick frying pans to firefighting foams for decades. Yet they resist degradation, making them almost ubiquitous in the environment; and they tend to bioaccumulate in living creatures, raising health worries. More:
Chemistry World

24/06/2016 -

Fish show high concentrations but since microplastics are mostly present in the stomach and intestines they are usually removed and consumers are not exposed to them. But in crustaceans and bivalve molluscs like oysters and mussels, you eat the digestive tract so there is some exposure there. Trophic transfer of POPs within the marine food webs has been reported to be associated with oceanic plastics and biomagnification of POPs has been found. More: 


EFSA issues statement on microplastics and nanoplastics in food

Fish show high concentrations but since microplastics are mostly present in the stomach and intestines they are usually removed and consumers are not exposed to them. But in crustaceans and bivalve molluscs like oysters and mussels, you eat the digestive tract so there is some exposure there. Trophic transfer of POPs within the marine food webs has been reported to be associated with oceanic plastics and biomagnification of POPs has been found. More: 

24/06/2016 -

Weight-of-evidence (WoE) evaluation and systematic review (SR) are methods (developed in the fields of economics, law and medicine) to summarise, synthesise and interpret a body of evidence to draw conclusions, for example, the relationship between chemical exposure and adverse health effect. More: 


Chemicals risk assessment: evidence-evaluation methods analysed for nine EU regulations

Weight-of-evidence (WoE) evaluation and systematic review (SR) are methods (developed in the fields of economics, law and medicine) to summarise, synthesise and interpret a body of evidence to draw conclusions, for example, the relationship between chemical exposure and adverse health effect. More: 

20/06/2016 -

Ocean pollution isn’t just a plastic problem. An alphabet soup of persistent organic pollutants—including polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) used as flame retardants, and more—are carried by the wind and rivers into the ocean. More:


PCBs and other organic pollutants reach the deep ocean

Ocean pollution isn’t just a plastic problem. An alphabet soup of persistent organic pollutants—including polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) used as flame retardants, and more—are carried by the wind and rivers into the ocean. More:

11/06/2016 -

The ASEAN-Japan Chemical Safety Database (AJCSD) contains regulatory information on chemical substances which is directly provided by the governments of Japan and ASEAN member countries. Users are able to access the current status of certain regulated chemicals in the countries and lists of the regulated chemicals under the laws of such countries. The database also stores GHS classification results and sample safety data sheets as reference. More:


ASEAN-Japan Chemical Safety Database Officially Launched

The ASEAN-Japan Chemical Safety Database (AJCSD) contains regulatory information on chemical substances which is directly provided by the governments of Japan and ASEAN member countries. Users are able to access the current status of certain regulated chemicals in the countries and lists of the regulated chemicals under the laws of such countries. The database also stores GHS classification results and sample safety data sheets as reference. More:

10/06/2016 -

During tosca’s 40-year run only a little over 200 chemicals have been assessed out of roughly 85,000 chemical substances in its inventory. Currently, a new chemical has to be shown to pose an ‘unreasonable risk’ before more information can be requested. Making a call on the risk a chemical poses is difficult to do without more information, however. More: 


Explainer: Toxic Substances Control Act (US TSCA)

During tosca’s 40-year run only a little over 200 chemicals have been assessed out of roughly 85,000 chemical substances in its inventory. Currently, a new chemical has to be shown to pose an ‘unreasonable risk’ before more information can be requested. Making a call on the risk a chemical poses is difficult to do without more information, however. More: 

08/06/2016 -

These substances identified, which are in the Great Lakes because of human activities, are: hexabromocyclododecane, polybrominated diphenyl ethers, perfluorooctanoic acid, perfluorooctane sulfonate, long-chain perfluorinated carboxylic acids, mercury, polychlorinated biphenyls and short-chain chlorinated paraffins. More:


Priority pollutants identified in the Great Lakes

These substances identified, which are in the Great Lakes because of human activities, are: hexabromocyclododecane, polybrominated diphenyl ethers, perfluorooctanoic acid, perfluorooctane sulfonate, long-chain perfluorinated carboxylic acids, mercury, polychlorinated biphenyls and short-chain chlorinated paraffins. More:

03/06/2016 -

Agent Orange – named after the orange stripes on the barrels used to transport it – was used extensively by the US military to remove forest cover and destroy militia crops from 1962 to 1971 during the war. The mixture used was contaminated with a highly toxic dioxin called 2,3,7,8-tetrachlorodibenzodioxin (TCDD), formed as an unintended by-product during the 2,4,5-T manufacturing process when temperatures were too high. More:
Chemistry World


Toxic legacy of Agent Orange lives on in Vietnam

Agent Orange – named after the orange stripes on the barrels used to transport it – was used extensively by the US military to remove forest cover and destroy militia crops from 1962 to 1971 during the war. The mixture used was contaminated with a highly toxic dioxin called 2,3,7,8-tetrachlorodibenzodioxin (TCDD), formed as an unintended by-product during the 2,4,5-T manufacturing process when temperatures were too high. More:
Chemistry World

01/06/2016 -

There is some evidence that early-life exposures to polychlorinated biphenyls (PCBs) and other persistent environmental chemicals can alter the developing immune system and may be associated with diminished effectiveness for certain vaccines. More: 


Impeded Immunity? Reduced Tuberculosis Vaccine Response with Exposure to Environmental Chemicals

There is some evidence that early-life exposures to polychlorinated biphenyls (PCBs) and other persistent environmental chemicals can alter the developing immune system and may be associated with diminished effectiveness for certain vaccines. More: 

01/06/2016 -

A month rarely passes by without something being declared unhealthy or carcinogenic. Often, the WHO International Agency for Research on Cancer (IARC) is at the centre of such pronouncements and is duly rounded on to explain the consequences. More:


When is a carcinogen not a carcinogen?

A month rarely passes by without something being declared unhealthy or carcinogenic. Often, the WHO International Agency for Research on Cancer (IARC) is at the centre of such pronouncements and is duly rounded on to explain the consequences. More:

24/05/2016 -

PBDEs are among the most widely used flame retardants that are known to migrate out of products. They have been found in household dust, food, in animals and nearly everywhere else scientists have looked. Studies have shown PBDEs to interfere with endocrine hormones, including thyroid hormones. More:


Flame Retardant Exposure Poses A Significant Health Risk to Women

PBDEs are among the most widely used flame retardants that are known to migrate out of products. They have been found in household dust, food, in animals and nearly everywhere else scientists have looked. Studies have shown PBDEs to interfere with endocrine hormones, including thyroid hormones. More:

20/05/2016 -

Based on the latest science on two chemical contaminants called PFOA and PFOS, EPA released drinking water health advisories to provide the most up-to-date information on the health risks of these chemicals. More:


Science Guides Public Health Protection for Drinking Water

Based on the latest science on two chemical contaminants called PFOA and PFOS, EPA released drinking water health advisories to provide the most up-to-date information on the health risks of these chemicals. More:

20/05/2016 -

Apparent 'victories' in the fight against toxic chemicals are illusory, writes Jonathan Latham. The real problem is not one of specific 'bad actors', but the entire system that allows new, likely to be toxic compounds to pollute the environment in near-total ignorance of their impacts. More:
Ecologist


The problem is not glyphosate, or DDT, or BPA - we must challenge the entire system

Apparent 'victories' in the fight against toxic chemicals are illusory, writes Jonathan Latham. The real problem is not one of specific 'bad actors', but the entire system that allows new, likely to be toxic compounds to pollute the environment in near-total ignorance of their impacts. More:
Ecologist

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