Research has determined that the mercury level exceeds up to 87 times the level permitted by the Colombian State.[:]
Recent report finds pollution levels caused by oil spills in the northeastern Amazon region of Peru: has been found mercury and cadmium in the blood and urine of people of Cuninico and San Pedro (Loreto)
Experts seek a way to assess the presence of mercury in the environment and organisms before it becomes toxic.
Document shows mercury contamination in rivers, hydrobiological species and population exceeding the maximum permissible limits due to artisanal mining.
Samples were collected in the basin of the Madeira River in Rondonia State, the Tocantins river in the states of Goiás and Maranhão, and the Negro river in the Amazonas State.
Illegal gold mining in the Amazon has a devastating effect on indigenous peoples. Miners bring disease, deforestation and murder. Then long after they have gone, communities are left to suffer deadly mercury poisoning.
Contamination of people and environments by mercury increases in the Amazon, while agreements and government actions to reduce the problem are still on paper.
The mining has left deep scars in the Yanomami people and in their territory. Between 1986 and 1990, it is estimated that 20% of the population (1,800 people) died due to disease and violence caused by invading gold miners.
The reason would be the consumption of a banned fish for human consumption in countries like Colombia and Brazil, because its body has the ability to accumulate mercury acquired by the environment.
Owner had license to extract tantalite in an area of 30 hectares. Inspection identified river deviation and soil contamination by mercury.