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Geochemical modeling, source apportionment, health risk exposure and control of higher fluoride in groundwater of sub-district Dargai, Pakistan.
Abstract Highlights Groundwater of Dargai region, Pakistan was analyzed for fluoride concentrations. 51% of groundwater samples exceeded the WHO guideline value of 1.5 mg/L of F–. F– occurrence in water is linked to ion exchange, weathering and mining actions. PCA-MLR results of groundwater shows 64% contamination was due to geogenic source. CaHCO3 (49%), NaHCO3 and NaCl […]
Pakistan -
Activists Block Train Carrying German Radioactive Waste to Russia
Greenpeace activists delayed a train carrying 600 tons of uranium hexafluoride, a radioactive byproduct. Britta Radike for Greenpeace Greenpeace activists have blocked a train in Germany carrying a shipment of radioactive waste destined for Russia, the environmental organization said Monday. German exports of depleted uranium hexafluoride, a byproduct of uranium enrichment, resumed to Russia […]
Russia Nuclear Industry -
One-step synthesis of zirconium dioxide-biochar derived from Camellia oleifera seed shell with enhanced removal capacity for fluoride from water.
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Camellia seed shell waste was calcined […]
International Water Treatment -
Effective fluoride adsorption using water hyacinth beads doped with hydrous oxides of aluminium and iron.
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Hydrous oxides of aluminium, iron and […]
International Water Treatment -
Japan approves exports of liquid hydrogen fluoride
The Japanese government has approved exports of liquid hydrogen fluoride, one of the three key semiconductor materials on which it imposed export controls this past July. An official from the South Korean Ministry of Trade, Industry, and Energy told the Hankyoreh over the phone on Nov. 17 that it had confirmed via industry sources that […]
South Korea Electronics Industry -
Fluoride at High Levels ‘Presumed’ a Neurodevelopmental Hazard
Note from the Fluoride Action Network As the title may be misleading for those who don’t know the fluoride literature, a few notes: • In a study published on Nov 18, 2019, and not included in the draft NTP review discussed below, formula-fed infants living in communities that add fluoride to the drinking water at […]
United States, National USA -
Letter: People must be held accountable for North Attleboro fluoride situation
On Tuesday Nov.19 the North Attleboro Board of Health will hold a meeting with the Department of Public Works. It will be the first public discussion on the fluoride situation since the story was first reported in The Sun Chronicle on Nov.2. It’s easy to be an armchair quarterback and criticize public employees for doing/not […]
United States, Massachusetts -
Assessment of potential health risk of major contaminants of groundwater in a densely populated agricultural area
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Abstract As a key part of Bohai […]
China -
Stochastic Modeling of Groundwater Fluoride Contamination: Introducing Lazy Learners.
Abstract While it remains the primary source of safe drinking and irrigation water in northwest Iran’s Maku Plain, the region’s groundwater is prone to fluoride contamination. Accordingly, modeling techniques to accurately predict groundwater fluoride concentration are required. The current paper advances several novel data mining algorithms including Lazy learners [Instance-Based K-nearest Neighbours (IBK); Locally Weighted […]
Iran Water Treatment -
Droughts linked to bone disease in India
Droughts have an obvious immediate impact on both rural and urban areas. However, the rise in use of contaminated drinking water resulting from lack of available clean water sources is giving rise to diseases such as fluorosis. A dried-up reservoir in northern Karnataka. Depleting water supplies are among the signs of India’s climate crisis. […]
India