Heavy Metals

Order of the National Green Tribunal regarding pollution of Godavari river, Telangana, 29/05/2025

Order of the National Green Tribunal in the matter of News Item titled "Telangana: Deepening pollution crisis in Godawari threatens lives livelihoods appearing in the Telangana Today dated 13.05.2025" dated 29/05/2025. The application was registered suo-motu on the basis of the news item titled Telangana: Deepening pollution crisis in Godawari …

Heavy metal contamination in roadside soil and vegetation: A review

Metals, a major category of globally distributed pollutants, are natural elements that have been extracted from the earth and harnessed for human use. It is only when metals are present at excessive levels in bioavailable forms, they become potentially toxic to plants. It is important to understand the metal toxicity …

Hydro-chemical survey of groundwater of Delhi, India

The physicochemical parameters and trace metal contents of water samples from Delhi were assessed. A total of 20 water samples were collected from boring, tube well and hand pump and analyzed for the various physicochemical parameters like pH, conductivity, total dissolved solid, total alkalinity, Ca2+ and Mg2+ hardness, chloride ion, …

Oil sands development: A health risk worth taking?

With the recent dwindling of traditional petroleum supplies, some energy corporations have shifted their attention to oil sands, a mixture of sand, water, and a viscous form of petroleum called bitumen. Despite economic uncertainties in the oil sands market, many in the United States see the resource as a stable, …

Arctic pollution 2009

This report is the sixth `State of the Arctic environment report' that has been prepared by AMAP in accordance with its mandate. It presents the results of work conducted during AMAP's third phase (2002-2008) in relation to three priority areas persistent organic pollutants, human health, and radioactivity. This report is …

Analysis of Heavy metals in water, sediments and fish samples of Madivala Lakes of Bangalore, Karnataka

Heavy metal (Pb, Cd, Cr, Ni ) concentration in water sediments and fish was analysed from Madivala lake in the month of June 2008. There was an appreciable increase in metal concentrations in going from the water to the sediment samples.The Heavy metal concentration, in water was in the order …

He wants us to drink pure water

KOCHI: A Manuel is on a one-man mission. To make us aware of the poor quality of the water we drink. He tests water samples free of cost at his residence to convince people that the impurities in water are impossible to detect with the naked eye.

Watch out for heavy metal in your fish

MUMBAI: If you are a fish-eater, it might be a good idea to check if your catch comes from Versova. Mackerel and pomfret from Versova docks were found to be laced with unusually high quantities of mercury when fish from four Mumbai docks were tested by a local environmental medicine …

Seasonal variation of Zn, Cu and Pb in the estuarine stretch of West Bengal

Zn, Cu and Pb levels in the aquatic phase and underlying surface sediment from three stations (viz. Shankarpur, Canning and Bali Islands) of the coastal zone of West Bengal during different seasons in 2002 were recorded. The order of the heavy metal level in the ambient media of the selected …

The removal of heavy metals from aqueous solution by adsorption on weathered coal

The ability of weathered coal to remove Cr(VI), Hg(VI), Hg(II), Cu(II) and Fe(II) from aqueous solution by adsorption was studied. In this work, adsorption of heavy metals on weathered coal has been studied by using batch techniques.

Removal of heavy metals from wastewater using activated rice husk carbon as adsorbent

Environmental pollution has become a cause for great concern as it continues to increase rapidly day by day. The heavy metals, such as copper, lead, chromium and nickel are more toxic to the living organisms. In the present investigation, an attempt is made to remove the heavy metals using activated …

Mercury enrichment in sediments of Amba estuary

Concentrations of Hg, total organic carbon (TOC), Al, Fe and Mn were determined in sediment of the Amba Estuary between the mouth and the head over a distance of 24 km in December and May during 1997-2002. Temporal and spatial changes in metal concentrations appear to be due to sediment …

Heavy metals in vegetables collected from production and market sites of a tropical urban area of India

Vegetables (Beta vulgaris L., Abelmoschus esculentus L. and Brassica oleracea L.) from the production and market sites of India were tested for Cu, Cd, Zn and Pb. At market sites, the mean concentration of Cu in cauliflower, and of Zn and Cd in both palak and cauliflower had exceeded the …

Whats happening inside disposal units?

Enforcement and monitoring are the key to safety Having tsfds and guidelines in place does not mean the waste has been taken care of. As the beil accident showed, cpcb

Rehabilitation of Kasur tanneries plant stressed

ISLAMABAD: There is a dire need for rehabilitation of Kasur Tanneries Waste Treatment Plant. The Deputy Chairman Planning Commission Sardar Aseff Ahmad Ali expressed these views while chairing a meeting of stakeholders and government functionaries to review Kasur

Early kidney damage in a population exposed to cadmium and other heavy metals

Exposure to heavy metals may cause kidney damage. The population living near the Avonmouth zinc smelter has been exposed to cadmium and other heavy metals for many decades. The study aimed to assess Cd body burden and early signs of kidney damage in the Avonmouth population.

Heavy metal presence in Indian toys causes harm for decades

MUMBAI: The colourful building blocks or toy houses might keep your children engaged for hours, but the heavy metals they contain could harm them for life. And it's not just Chinese toys, but Indian toys which are the culprit too. Welcoming the recent ban on the import of Chinese toys, …

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