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Analysis of Volatile Arsenic Compounds in Landfill Gas

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Abstract:

Inorganic forms of arsenic and other heavy metals present in landfills can be released by microbial action and converted to volatile organometallic forms. The volatile organoarsenic forms can appear in the landfill gas as well as in the leachate. No fully quantitative method for analyzing organoarsenic compounds in landfill gas has been published. GC-MS and GC-PID were used to analyze and quantify trimethylarsine in landfill gas down to the 1 ppbv level. Evidence is presented to show that trimethyl arsine (TMAs) may account for essentially all of the arsenic present at the 1 ppbv level and above. Finally, a convenient method for producing an accurate gas standard using a diffusion tube apparatus is presented.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864708788807781

Publication date: January 1, 2008

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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