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Arsenic pathways in leachate plumes ...

Davidson, Thomas Andrew.

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Arsenic pathways in leachate plumes at five landfill sites in central Massachusetts.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Arsenic pathways in leachate plumes at five landfill sites in central Massachusetts./
作者:	Davidson, Thomas Andrew.
面頁冊數:	133 p.
附註:	Source: Masters Abstracts International, Volume: 42-05, page: 1651.
Contained By:	Masters Abstracts International42-05.
標題:	Geology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1419017
ISBN:	0496237896

Arsenic pathways in leachate plumes at five landfill sites in central Massachusetts.
Davidson, Thomas Andrew.

Arsenic pathways in leachate plumes at five landfill sites in central Massachusetts. - 133 p.

Source: Masters Abstracts International, Volume: 42-05, page: 1651.

Thesis (M.S.)--Boston College, 2004.

Arsenic concentrations in soil and groundwater have recently become an issue of global importance. Central Massachusetts is a geologic zone known to have elevated natural arsenic concentrations in the soil and bedrock. Landfills within Central Massachusetts locally inadvertently mobilize arsenic in ground water downgradient from landfills.

ISBN: 0496237896Subjects--Topical Terms:

516570
Geology.

Arsenic pathways in leachate plumes at five landfill sites in central Massachusetts.
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520 $a This thesis critically evaluates database methodologies and designs to recommend sound management tools for environmental data management at landfills. Spacial, temporal, and geochemical arsenic trend analyses were utilized to determine possible arsenic sources and migration pathways. Several distinct observable trends with regards to arsenic, iron, manganese, and sulfate concentrations were seen repeat ably indicating close interaction between sulfate, iron, and arsenic at distinct reducing conditions. Dissolution of ferric oxyhydroxide coatings liberate arsenic in reducing conditions initiated by microbial degradation of organic constituents within the migrating leachate plume.
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