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 …

Removal of zinc from waste water by adsorption on flyash

Studies on the removal of zinc by adsorption on two types of flyashes, namely Bokaro Thermal Power Plant Fly ash and Fluidized Bed Combustion Fly Ash from Tata Steel, Jamadoba were carried out. Since industrial waste water often contains high concentration of heavy metals/toxic elements, it was thought worthwhile to …

A study to evaluate heavy metals and organochlorine pesticide residue in Zingiber officinale Rosc. collected from different ecological zones of India

Products derived from medicinal plants have been used for therapeutic purposes for centuries. Herbal products are generally considered safe and have been proven effective against certain ailments. They are also extensively used, particularly in many Asian, African and other developing countries (Patwardhan et al., 2005). There is an urgent need …

Bird populations in India dwindling at alarming rate

function open_new_popwin() { newwd=window.open('photo/photo_gallery.htm','','height=570,width=550,scrollbars=yes'); newwd.moveTo(250,75); } Clipped Wings In Uttar Pradesh's Etawah and Mainpuri regions, a newly-married couple is shown a pair of sarus cranes (Grus antigone). The elegant birds which mate for life are revered by people here. Sighting a pair of the cranes bodes well for marital bliss, …

Integrated resource recovery at East Calcutta wetland: How safe is these?

East Calcutta Wetland (ECW) is an example of wise use of cities solid and liquid waste through integrated resource recovery, mainly for pisciculture, vegetable as well as paddy cultivation and manure production. Amaranthus caudatus, Amaranthus blithum and Spinacia oleracea grown at ECW were analyzed for their accumulation of elements using …

Dominance of lithogenic effect for nickel, cobalt, chromium and mercury as found in freshly deposited sediments of Subernarekha

The importance of study of heavy metal distribution in river sediments is a component in understanding the exogenic cycling as well as in assessing the effect of anthropogenic influences of the elements. In India, the river Subernarekha flows over Precambrian terrain of Singhbhum craton in the eastern India.

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 …

Utility of city wastewater as a source of irrigation water for mustard

A pot experiment was conducted during rabi season of 2003-2004, to study the effect of two concentrations of city waste water over ground water on the performance of Brassica juncea cv. Varuna. 2007

Chromium : As a pollutant

Contamination of chromium is considered a serious environmental pollutant due to wide industrilization. The two largest sources of chromium emission in the atmosphere are from the chemical manufacturing industry and combustion of natural gas, oil and coal. 2007

SNIPPETS

• China refuted a recent US National Academy of Sciences report, which notes that a new strain of the H5N1 bird flu virus has emerged in southern China. • Argentine President Nestor Kirchner has asked the World Bank to halt loans for the controversial pulp mill in neighbouring Uruguay, until …

High cadmium leads to decline in oysters

cadmium, a heavy metal, reduces oysters' tolerance of warmer water temperatures and makes them more vulnerable during summer when temperatures rise, according to a study conducted jointly by the Polar and Marine Research, Bremerhaven, Germany, and the University of North Carolina at Charlotte. Half the oysters exposed to cadmium in …

Udipi farmers` land taken over for thermal power plant

in october 2006, 150 farmers of Yellur village in Udupi district of Karnataka lost 195 hectares (ha) of land. According to Janajagrithi Samiti, a local ngo, the Udupi tehsildar K Muralidhar mutated the certificate of rights in the village title register on verbal instructions from the district collector. "The collector …

Toys may not be all that harmless

the next time you go shopping for toys for your tiny tots, take care to be judicious. A recent study carried out by the ngo Toxics Link in the Indian metros of Delhi, Mumbai and Chennai, has stressed the need to regulate the toy industry. Reason: materials used contain heavy …

Trace metal concentration in groundwater of Tarikere Taluk

Groundwater monitoring was carried out in Tarikere taluk during December 2004. The samples were analyzed for trace metals, such as iron, cadmium, lead, copper, zinc, nickel and barium.

Monitoring of trace metals in Gagan river water at Moradabad

Ten different trace metals in Gagan river water at thirteen different sites in and around Moradabad were estimated by ICP-AES technique and the data was compared with water quality standards prescribed by WHO. River was found to be excessively contaminated for copper, iron, lead concentrations and moderately contaminated for nickel …

In Court

toxic pool: The Local Area Environment Committee (LAEC) recently termed the Eloor and Edayar industrial belt in Kochi, Kerala, a "toxic hot spot' filled with heavy metals and pesticides. LAECrecently submitted an environmental audit report to the Supreme Court Monitoring Committee. It found the presence of heavy metals from samples …

Check your Cola

Soft drinks are in a pollution tangle again. Eight of the 16 soft drink plants surveyed by the Central Pollution Control Board (cpcb) had a cadmium concentration more than 50 mg/kg of sludge

Distribution of pesticides, PAHs and heavy metals in prawn ponds near Kolleru lake wetland, India

This paper discussed the distribution of pesticides, polycyclic aromatic hydrocarbons (PAHs) and heavy metals in water, sediment and prawn from intensive prawn ponds (n = 8) near the Kolleru lake wetland, India and assessed the quality of prawn for human consumption and also discussed the possible effects of these pollutants …

Epidemiological surveillance of employees in a mercury thermometer plant: An occupational health study

A cross-sectional epidemiological survey of 255 individuals (130 current permanent employees, 64 contract workers, 55 ex-employees and 6 scrap dealers) coupled with a retrospective cohort study of the occupational health of 290 employees (all permanent employees who ever worked in the factory over a span of 15 years) was conducted …

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