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 …

A case study of water pollution of Kharnai river as well as ground water with special reference to heavy metals

Trivalent chromium occurs naturally in rocks, soil and plants. Cr (VI) is produced when Cr (III) is heated in the presence of mineral bases. Cr (VI) compounds are emitted into the air, water and soil by different industries.

Efficiency assessment of Common Effluent Treatment Plant (CETP) treating tannery effluents

The efficacy of Common Effluent Treatment Plant (CETP) based on activated sludge process employed for treatment of tannery effluent was analyzed for the efficiency to reduce chromium and other contaminants. Physico-chemical parameters of treated effluent were found within permissible levels of statutory limits. A significant reduction in COD and BOD …

Natural and pure?

The one kg jar of honey on Sangeeta Das’s kitchen shelf has many uses. Every morning she takes out a small quantity and puts it on the breakfast table. Her husband, Indranil, a media executive, likes a little bit of honey on his toast and the couple’s three-year-old son has …

Gene limiting cadmium accumulation in rice

Intake of toxic cadmium (Cd) from rice caused Itai-itai disease in the past and it is still a threat for human health. Therefore, control of the accumulation of Cd from soil is an important food-safety issue, but the molecular mechanism for the control is unknown. Herein, we report a gene …

Chronic kidney diseases of uncertain etiology (CKDue) in Sri Lanka: geographic distribution and environmental implications

The increase in the number of chronic kidney disease (CKD) patients from the north central region of Sri Lanka has become a environmental health issue of national concern. Unlike in other countries where long-standing diabetes and hypertension are the leading causes of renal diseases, the majority of CKD patients from …

Monitored natural attenuation as a remediation tool for heavy metal contamination in soils in an abandoned gold mine area

The authors report here the preliminary results of the study using monitored natural attenuation (MNA), referred to as intrinsic remediation, as an in situ treatment method in an abandoned gold mining site in Kolar Gold Fields, Karnataka. The area is called the Kolar schist belt of south India, well-known for …

Toying with high toxic metal with ease

KOLKATA, 1 SEPT: At a time when the state pollution control board has taken up a drive to phase out lead, a toxic-metal, innumerable lead-battery units in the city not only continue to cough out lead aerosols dust, but also ignore the safety of labourers working in these units. There …

Studies on the removal of mercury (II) - EDTA complex by coal and coal-flyash belends

Studies on the removal of mercury (II) - EDTA complex by adsorption on coal and coal flyash blends have been carried out at 30 degree C. The effect of various parameters on the extent of removal of Hg2+-EDTA complex has been determined.

Hussain Sagar goes to toxic waste

FOR the past five years Hyderabad has been trying to clean the Hussain Sagar Lake, separating the twin cities of Hyderabad and Secunderabad in Andhra Pradesh. The efforts suffered yet another blow on June 20 when the Andhra Pradesh Pollution Control Board (APPCB) denied permission to dredge the mouths of …

Hunt on for toxins in toys

AN 11-MEMBER committee, formed by the Indian Council for Medical Research (ICMR), is set to begin screening of toys made in India and abroad for toxicity. The tests will be conducted on 2,800 samples of toys collected from across India. Samples of branded and unbranded toys will be picked from …

Hussain Sagar goes to toxic waste

For the past five years Hyderabad has been trying to clean the Hussain Sagar Lake, separating the twin cities of Hyderabad and Secunderabad in Andhra Pradesh. The efforts suffered yet another blow on June 20 when the Andhra Pradesh Pollution Control Board (APPCB) denied permission to dredge the mouths of …

Mango resistance

Sushil Kumar Lodhi, 32, walks about Dashehari village with newspaper clippings, which carried news of his grandfather’s death. His grandfather suffered a heart attack on his way back from Lucknow. He went there to convince officials not to build a solid waste management facility in their village because it would …

Solidification and stabilization of chromium laden wastes in cementitious binders

Solidification/stabilization (S/S) technology was applied to a simulated sludge containing chromium. Leaching tests such as toxicity characteristic leaching procedure (TCLP), ANS 16.1 and multiple TCLP tests conducted on stabilized blocks showed that chromium was immobilized by the binder studied. A linear relationship was obtained between the cumulative fraction of chromium …

Punjabs children face long exposure to heavy metals: Study

A study published in a New Zealand-based scientific journal has reported that children in Faridkot area have for long been exposed to a large number of heavy metals, including lead, barium, cadmium, manganese and uranium. Titled

Panel to monitor heavy metals in water bodies

Bathinda: In view of reports of the presence of uranium and other heavy metals besides arsenic in canal and underground water that were causing deadly diseases like cancer, the state government has constituted a five-member committee to formulate methods for sampling these water sources. Principal Secretary, Health, Satish Chandra said …

City gold smelting units flout pollution control norms

KOLKATA, 12 JULY: The state pollution control board strictures on operation of gold smelting units in the Bowbazaar area has done little to stop the practice that is not only harmful for the environment, but also a health hazard for the workers. While the toxic metal, cadmium, is used unabated …

Metal exposure in the children of Punjab, India

This new study confirms that children in Faridkot area have for long been exposed to a large number of heavy metals, including lead, barium, cadmium, manganese and uranium. It has the study has been conducted by Baba Farid Center for Special Children. <br> Our test results documented that hair and …

Artificial jewellery for children have harmful levels of lead: study

A slender bangle with dangling silver balls, a piece of jewellery with dolphins on it, a tiny turquoise ring: all pretty, and tainted with lead. Pink may be pretty, and rings may be cool, but a new study by NGO Toxics Link has found high levels of lead present in …

High content of lead in artificial jewellery: NGO

New Delhi: The pretty earrings you pick up from the roadside stall or the innocuous charm bracelet sold at Janpath might actually be very dangerous. A Toxics Link report on artificial jewellery, specially for children, reported that all the samples tested by the NGO were found to contain very high …

Toxic trinkets: an investigation of lead in childrens jewellery in India 2010

In a concerted effort to bring out information on toxic substances and their use in everyday products in the public domain, vis-

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