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  2. Toxic heavy metal - Wikipedia

    en.wikipedia.org/wiki/Toxic_heavy_metal

    A toxic heavy metal is a common but misleading term for a metal-like element noted for its potential toxicity. [4] Not all heavy metals are toxic and some toxic metals are not heavy. [ 5 ] Elements often discussed as toxic include cadmium , mercury and lead , [ 6 ] all of which appear in the World Health Organization 's list of 10 chemicals of ...

  3. Simultaneously extracted metals and acid-volatile sulfide

    en.wikipedia.org/wiki/Simultaneously_extracted...

    A number of heavy metals, such as cadmium and lead, are toxic to various forms of life, particularly when dissolved in water as metal ions. [1] Toxic heavy metals are often present in surface water as a result of natural processes, such as the weathering of metal-containing rocks, or due to human activity, such as mining and smelting. [2]

  4. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    A study investigating the heavy metal pollution in the vicinity of the smelter reveals that elevated levels of nickel and copper were found in the soil; values going as high as 5,104ppm Ni, and 2,892 ppm Cu within a 1.1 km range of the smelter location. Other metals were also found in the soil; such metals include iron, cobalt, and silver.

  5. GIS in environmental contamination - Wikipedia

    en.wikipedia.org/wiki/GIS_in_Environmental...

    As a result, environmental agencies are placed in charge in remediating, monitoring, and mitigating the soil contamination sites. GIS is used to monitor the sites for metal contaminants in the soil, and based on the GIS analysis, highest risk sites are identified in which majority of the remediation and monitoring takes place.

  6. 7 Foods You Didn't Know Have Lead in Them - AOL

    www.aol.com/7-foods-didnt-know-lead-190000487.html

    Many aged balsamic and red wine vinegars contain significant lead levels, mainly because of the production methods or heavy metals present in the soil where the grapes are grown. Aged vinegars ...

  7. Metal toxicity - Wikipedia

    en.wikipedia.org/wiki/Metal_toxicity

    Alternatively, when very dilute, metal complexes are often innocuous. [4] This method uses plants to extract and lower the concentration of toxic heavy metals in the soil. [4] An aspirational method of decontamination of heavy metals is phytoremediation or bioremediation, but these approaches have solved few real world problems.

  8. Electrokinetic remediation - Wikipedia

    en.wikipedia.org/wiki/Electrokinetic_remediation

    Electrokinetic remediation, also termed electrokinetics, is a technique of using direct electric current to remove organic, inorganic and heavy metal particles from the soil by electric potential. [ 1 ] [ 2 ] [ 3 ] The use of this technique provides an approach with minimum disturbance to the surface while treating subsurface contaminants .

  9. Dutch pollutant standards - Wikipedia

    en.wikipedia.org/wiki/Dutch_pollutant_standards

    The values presented below are from Annex 1, Table 1, "Groundwater target values and soil and groundwater intervention values". In previous versions of the Dutch Standards, target values for soil were also present. However, in the 2009 version, target values for soils have been deleted for all compounds except metals.

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