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 …

Cadmium and cancer

does exposure to cadmium increase the risk of cancer and other malignancies? Although the International Agency for Research on Cancer classifies cadmium as a carcinogen, there have been other population-based studies that have yielded inconsistent results. But now, a study by a group of Belgian scientists offers strong indication of …

Comparison of trace metals concentration in PM10 of different locations of Lucknow city, India

The elevated concentration of Respirable Suspended Particulate Matter (RSPM, PM10) in the ambient air is a major cause of health problem and urban people are affected at risk on exposure. http://www.springerlink.com/content/y076tm584r52u511/

DISASTER AVERTED?

The eight hazardous waste or chemicals plants in the way of hurricane Katrina did not release chemicals in their surroundings as feared, reports the US Environmental Protection Agency (EPA). The agency collected soil and sediment samples from around the eight plant sites and compared the amount of chemicals they contained …

In short

NHPC EERS: An Assam-based NGO, River Basin's Friends, has filed a petition in the Supreme Court against the National Hydroelectric Power Corporation (NHPC). The petition claims that while implementing the Subansiri Lower Hydroelectric Project in Arunachal Pradesh, NHPC violated an earlier order. It also claimed NHPC was dumping debris in …

Lead to a fall

the Doe Run Company (drc) in Peru has been held responsible for lead, antimony and cadmium poisoning of the residents of La Oroya town in Peru. It is owned by the drc, a company in St Loius, usa, operator of the world's only multi-metal facility, and the Americas' largest integrated …

Studies of mercury pollution in a lake due to a thermometer factory situated in a tourist resort: Kodaikkanal, India

Kodaikkanal, India, suffered mercury contamination due to emissions and waste from a thermometer factory. Kodai Lake is situated to the north of the factory. The present study determined mercury in waters, sediment and fish samples and compared the values with those from two other lakes, Berijam and Kukkal. Total mercury …

Heavy metal pollution in drainage network of Colombo City and suburbs of Sri Lanka

Being the commercial and administrative capital cities of Sri Lanka Colombo and Sri Jayawardhanapura and their suburbs accommodate many industries, residences and commercial and administration institutions and infrastructure. As a result this urban area has become one of the most polluted areas in Sri Lanka. This study covered different climatic …

Environment impact assessment on Eloor-Edayar 2005-2006

Local Area Environment committee under the term of reference was asked to conduct an environmental audit of 247 industries located in Eloor-Edayar industrial belt and report the effect on the ecology, environment and on the health of the local population with the specific reference to the study of raw materials, …

Integration of magnetism and heavy metal chemistry of soils to quantify the environmental pollution in Kathmandu, Nepal

Soil profiles of Kathmandu urban area exhibit significant variations in magnetic susceptibility and saturation isothermal remanence (SIRM), which can be used to discriminate environmental pollution. eprints.lib.hokudai.ac.jp/dspace/handle/2115/38429

Sweets foiled by silver

function table() { var popurl="image/20051130/24-table.jpg" winpops=window.open(popurl,"","width=200, height=290, scrollbars=yes") } Sweets foiled by silver beware, the next time you consume sweets coated in silver foil: the decoration is a source of harmful metals. While the amount of the foil ingested through sweets is very small, it still is a health threat. …

Low exposure, high risk

threshold levels of exposure to environmental risks are crucial for regulatory agencies to determine safe limits for harmful contaminants. Though any level of exposure to carcinogens is harmful and regulatory agencies use linear dose-response models to estimate the risk to human health, they usually assume threshold levels exist for non-carcinogens. …

Label heavy metal

the department of ayurveda, yoga, unani, s iddha and homeopathy (ayush) under the Union ministry of health and family welfare (mohfw) recently issued a notification making it mandatory for manufacturers of herbal products to mention on containers that the amount of heavy metals is

Land disposal of urban industrial solid waste of Wazirpur, Delhi: Aspects of available calcium and magnesium

Unwise dumping of wastes in land lead to soil followed by water pollution. Wazirpur, an authorized industrial area, in Delhi, is one of the major sources of pollution in this city. The wastes generated from these industries having the heavy metals like Fe, Zn, Cu, Mn, Cd and Pb as …

Impact of heavy metals on chlorophyll content of Pithophora Aequalis

The present investigation deals with the influence of heavy metals, Zinc, Cobalt and Nickel on chlorophyll content of algae Pithophora aequalis.

Optimization of conditions for effective removal of heavy metals by Pseudomonas sp. and fungi sp. to purify mixed industrial

The biological agents viz. fungi and bacteria (Pseudomonas sp.) were tried to develop a suitable technology for purification of industrial effluent. Pure culture of Pseudomonas sp. and locally isolated fungi sp. from mix industrial effluents were utilized in the study. The laboratory study was carried out to know the tolerance …

Physico-chemical analysis of drains in Delhi

This paper describes the pollution status of fourteen major drains, namely Najafgarh drain, Magazine Road, Sweeper Colony, Khyber Pass, Metcalf House, Kudesia Bagh, Civil Mill, Sen Nursing Home, Drain No. 14, Barapulla, Maharani Bagh, Kalkaji, Okhla and Shahdara drain entering into the river Yamuna at Delhi, studied during the year …

Environmental pollution control by using phytoremediation technology

Phytoremediation, the use of plants and their associated microbes for environmental cleanup, has gained acceptance in the past 10 years as a cost-effective, noninvasive alternative or complementary technology for engineering-based remediation methods. Plants can be used for pollutant stabilization, extraction, degradation or volatilization. These different phytoremediation technologies are reviewed here, …

In Short

baglihar collapse: A diversion tunnel at the Baglihar hydro-electric dam on the Chenab river in Jammu and Kashmir collapsed on June 5, 2005, due to the river's rising water level. Media reports said construction at the project site had to be halted. Earlier, a bridge had also reportedly been washed …

Coke bequeaths cadmium

the Kerala State Pollution Control Board (kspcb), on July 1, 2005, announced the detection of high cadmium content in the effluents of Coca-Cola's plant at Plachimada in Palakkad district. The soft drinks major is already fighting a legal battle over groundwater exploitation by the plant, which is currently not functional. …

New role for cadmium

cadmium, a toxic metal often used in batteries, has for the first time been found to have a biological use

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