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The mouthing behavior of children and playing on the floor increases their risk of exposure to contaminated soil. Heavy metals can move into the food chain. Plant parts vary in their tendency to uptake and concentrate them.
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www.dig-itmag.com/departments/soil_story/274_0_14_0/
www.dig-itmag.com/departments/soil_story/274_0_14_0/
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Heavy metals are natural components of the Earth's crust. They cannot be degraded or destroyed. To a small extent they enter our bodies via food, drinking water and air. As trace elements, some heavy metals (e.g. ... Exposure can occur through drinking water, food, air, soil and dust from old paint containing lead.
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www.lenntech.com/processes/heavy/heavy-metals/heavy-met...
www.lenntech.com/processes/heavy/heavy-metals/heavy-metals.htm
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Different capacities of soils for heavy metal adsorption affects the absorption of heavy metals by plants. The present study ...
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www.springerlink.com/index/j23k317r42863qu4.pdf
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Chapter 5, "Heavy Metals in Temperate Forest Soils: Speciation, Mobility, and Risk Assessment" provides an overview of factors affecting cationic metal solubility in forest litter/soil and a detailed case study of Ni and Cu contaminated forest soil on microbial endpoints on the Kola Pennisula, Russia.
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soil.scijournals.org/cgi/content/full/70/5/1819
soil.scijournals.org/cgi/content/full/70/5/1819
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Another way plants can be used to clean up heavy-metal contaminated soil is called phytoextraction. Some plant species can take up heavy metals and concentrate them in their tissue. The plants can be harvested and the contaminated plant material disposed of safely.
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www.engg.ksu.edu/CHSR/outreach/resources/docs/metals.pd...
www.engg.ksu.edu/CHSR/outreach/resources/docs/metals.pdf
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1.0 HEAVY METALS CONTAMINATED SOIL PROJECT ... 1.1 TECHNOLOGIES TO SEPARATE HEAVY METALS AND RADIONUCLIDES FROM SOIL ... To determine the decontamination efficiencies of various processes using soils contaminate with plutonium, uranium, or other heavy metals from DOE sites;
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www.external.ameslab.gov/cmst/CMSTSite/legacy/OTD/tech_...
www.external.ameslab.gov/cmst/CMSTSite/legacy/OTD/tech_summs/heavy_metals/heavy_metals_chap1.html
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The environmental risk of heavy metal pollution is pronounced in soils adjacent to large industrial complexes. ... The data presented demonstrate the role of heavy metals pollution in understanding the heavy metal toxicity to soil microorganism near a copper smelter in China...
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www.medscape.com/medline/abstract/16828162
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The distribution pattern of heavy metals in the soil profiles were in the following order Pb > Zn > Cu > Cd > Ni > Cr. The mechanic waste ... Keywords: Heavy metals; Soil profiles; Automobile mechanic; Waste dumps ... Characteristic levels of heavy metals in soil profiles of automobile mechanic waste dumps in Nigeria...
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www.ingentaconnect.com/content/klu/envr/2006/00000026/0...
www.ingentaconnect.com/content/klu/envr/2006/00000026/00000002/00007482
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This approach can overestimate risk since it ignores complex interactions between metals and soil that can result in a reduction in the amount of metal that desorbs from soil and is subsequently absorbed by the body.
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www.ingentaconnect.com/content/tandf/bssc/2005/00000014...
www.ingentaconnect.com/content/tandf/bssc/2005/00000014/00000001/art00003
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