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Soil & Groundwater Newsletter August 19, 2010 |
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| This Week´s Featured News Stories |
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Zero Valent Iron for Soil and Water Remediation
Waterloo, Canada; Oberhausen, Germany. The Adventus Group, a multinational remediation technology enterprise, provides a review of the Observatory NANO Focus Report 2010 on the issues surrounding nano-scale ZVI (nZVI) for treatment of contaminated water and soil. The debate over nano-scale versus micro-scale zero valent iron (ZVI) has attracted the attention of leading scientists in the environmental remediation industry. As originators of ZVI permeable reactive barrier (PRB) technology, EnviroMetal Technologies and Adventus Americas join the debate, enjoying the benefit of over 20 years ... |
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Arsenic in field runoff linked to poultry litter
Fields amended with poultry litter can accumulate significant levels of arsenic, according to studies by USDA-Agricultural Research Service (ARS) scientists and associates. These findings provide key information about the agricultural pollutants that can build up in agricultural soils over time—and possibly migrate into nearby streams and rivers. Poultry producers have sometimes supplemented chicken feed with roxarsone, a compound containing arsenic, to control parasites and promote weight gain. Most of this arsenic is excreted by the birds and then becomes mixed in with sawdust and ... |
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