heavy-metal pollution

heavy-metal pollution

pollution by HEAVY METALS that is often found in sewage sludge.
References in periodicals archive ?
Heavy-metal pollution of soils and waters caused by the mining and burning of fossil fuels is a major environmental problem and exposure to these metals can be toxic to living cells (Qian et.
Heavy-metal pollution in soil and air at a distance of 400 m from the source of pollution reduced the yield of fresh herbage by 9%-16% and the yield of essential oil by up to 14% compared with the control.
A program initiated in Kenya with funds from the Japanese government to improve the quality of water in Lake Nakuru is finally protecting flamingos from lethal heavy-metal pollution, according to a study by a team of Japanese scientists.
The sewerage project appears to be helping to prevent organic contamination and heavy-metal pollution, but treatment for heavy metals is outside the original purpose of the sewage works,'' said Shigeo Tsujimura of the Lake Biwa Research Institute, one of the team members who carried out the study.