Fluoride

Order of the National Green Tribunal regarding chromium dumps at Rania, Kanpur Dehat, Rakhi Mandi, Kanpur Nagar and Fatehpur, Uttar Pradesh, 07/03/2025

Order of the National Green Tribunal in the matter of Rajat Verma Vs Member Secretary, Uttar Pradesh Pollution Control Board & Others dated 07/03/2025. The matter related to chromium dumps at Rania, Kanpur Dehat, Rakhi Mandi, Kanpur Nagar and Fatehpur. Amicus Curiae in the earlier proceedings had pointed out that …

Uranium Producer Warns of Lake Ontario Pollution

Cameco, the world's largest uranium producer, has told the Canadian nuclear regulator that its refinery might have leaked uranium, arsenic and fluorides into Lake Ontario. A section of the Port Hope, Ontario, plant of Cameco, the world's largest uranium producer. The plant at Port Hope, Ontario, across the lake from …

River of effluents

The Brahmani is the second largest river in Orissa. It begins as two rivers - the Shankha and the Koel - from the Chota Nagpur Plateau in Jharkhand and joins the Saraswati at Vedvyas to from the Brahmani. Vedvyas is a sacred place, 9 km from Rourkela, which is a …

Village hit by fluoride in water

Residents of Bantlapalli in Atmakur mandal of Nellore district have been facing severe drinking water problem for the last few years. The village has 500 people and residents suffer from kidney and skin diseases, many becoming disabled as the water available in the village has high quantity of fluoride content. …

Fluorosis makes Amreli villagers limp

Fortyeight-year-old diamond cutter Ravajibhai Rathod living in Sanaliya village of Liliya taluka is unemployed for the last three years. He was a skilful worker, but now due to fluorosis he can neither bend his knees nor walk without a stick. Of the total population of 1,500 in the village, around …

Alarming fall in Punjab groundwater levels

The groundwater reserves are depleting at an alarming rate in Punjab besides a serious decline in the quality of water at many places due to overuse of the available resources, says a study. Out of a total of 137 blocks covered under the study, only 25 have been found safe …

Government focused on total sanitation campaign in State

Arsenic and flourides are found in the underground water in Barak valley. In order to make underground water free from arsenic and flourides all necessary preventive measure have been adopted by the State government. The PHE Minister Rihon Daimary disclosed the fact while inaugurating Kumbhirgram TE water supply scheme. PHE …

Excess fluoride in 1,063 blocks

Tests have so far detected the presence of excess fluoride and arsenic in 449 blocks in five districts and in 614 blocks in 18 districts of the State respectively. While samples of 33,000 water sources have so far been tested, tests on another 25,000 sources are on. Replying to a …

Fluoride contamination in ground water of Malaprabha sub basin

The fluoride contamination study has been carried out in ground waters of Khanapur, Bailhongal and Saundatti taluks of Malaprabha sub basin, Belgaum district, Karnataka. 21 samples were collected during the pre-monsoon and post-monsoon season of 1999.

Influence of soil characteristics on the leaching of fluoride from soils in selected fluoride environments of Tamil Nadu

The soil samples from selected fluoride environments in Dindigul district of Tamil Nadu is South India were analyzed for total and soluble fluoride. (2007)

Policy move on UP groundwater

Uttar Pradesh, India's largest state, is blessed with rivers. But what's the use? Each and every river and canal is filled with poisonous muck which seeps into groundwater. The Janhit Foundation in Meerut has carried out several studies which show that Uttar Pradesh's groundwater is loaded with dangerous carcinogenic chemicals. …

Fluoride in water in parts of Raniganj Coalfield, West Bengal

In recent times, there have been media reports that fluoride contamination is widespread in West Bengal. It has been highlighted that 60 blocks in eight districts,viz. Bankura, Barddhaman, Birbhum,Purulia, Midnapur, Malda and West Dinajpur are affected.

Nitrate and fluoride contamination in groundwater of Churu Block, Rajasthan

Physico-chemical analysis of groundwater in Churu block was performed to have a clear picture of water quality so that remedial measures could be worked for. Fluoride higher thatn 2ppm may cause osteoporosis and fluorosis. High nitrate is alarming as it indicates possibility of seepage from sewage. Many samples had fluoride …

Distribution of total reactive fluoride in sediments of Kuttanad waters

Fluoride takes part in a number of geochemical and biochemical reactions. The activity of the fluoride thus makes the ion non conservative in many occations, though the ion is included in the major ions category. Preferential enrichment of fluoride is a general observations in the coastal and estuarine environment. The …

What chemicals in toothpastes can do to you

Toothpastes contain a number of chemicals that carry out its essential functions

Fluoride contamination in rain water of Singrauli region

Fluoride concentration in rocks and soil are well documented, but data on the F concentration in coal are limited. In present paper, fluoride were monitored in rain water during rainy season at 7 location of Singrauli region in 2004. The sampling location were covered the impact of industrial complex of …

Status of groundwater quality in India: Part I

This report presents the environmental profiles of metropolitan cities and problem areas identified by CPCB and their groundwater quality status. The groundwater quality data obtained during survey were evaluated against drinking water quality requirements [BIS 10500, (1991) & WHO (1996) Standards]. Salinity, nitrate, Coliform & Fluoride are the main water …

Removal of fluoride by using drumstick bark and its leaves

This paper deals with studies on the removal of fluoride by using bark of drumstick and its leaves. The above said adsorbents are effective defluoridating agents and therefore used in the diet through cooked leaves and its vegetables. 2007

Preliminary studies on different chemicals for defluoridation

This paper deals with a comparative study on the fluoride removal capacity of readily and cheaply available five kinds of materials-calcium, phosphate, magnesium and magnesium carbonate. Among these materials aluminium phosphate is the most efficient defluoridating agent. 2007

Groundwater fluoride in East Imphal District of Manipur

Increased incidences of fluoride concentration in groundwater and its impact on human health, was initiated to determine groundwater fluoride concentration in East Imphal District of Manipur.

A study on the levels of fluoride in ground water and prevalence of dental fluorosis in certain areas of Virudhunagar District

The present work aims to study the level of fluoride in bore well, open well, and in handpump water samples of different places of Virudhunagar district, Tamil Nadu, and also to analyse other water quality parameters, like pH, electrical conductivity, turbidity, acidity, alkalinity, total solids, chlorides, iron, sodium, potassium, fluorides …

  1. 1
  2. ...
  3. 12
  4. 13
  5. 14
  6. 15
  7. 16

IEP content by date loading...
IEP child categories loading...