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<http://webisa.webdatacommons.org/179049539>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wwdmag.com> .
<http://webisa.webdatacommons.org/179049539>	<http://www.w3.org/ns/prov#value>	"There are typically other organic odorous compounds, such as mercaptans and amines, present in these areas, but H2S is the most prevalent compound." .
<http://webisa.webdatacommons.org/prov/141437530>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/179049539> .