Apr 17, 2012

Army Will Compare University Plume, Sibley Hospital Perchlorate

In order to determine whether the two perchlorate plumes (at AU and Sibley) originated from the same source, USACE is collecting and will be analyzing perchlorate samples using isotopic analysis. In March a perchlorate sample was collected on the AU campus from an existing well [PZ-4] where elevated levels of perchlorate have previously been detected.

A perchlorate sample will also be collected near Sibley Memorial Hospital in April 2012. Perchlorate is comprised of chlorine and oxygen, and specific isotope ratios of these elements can reveal information about the perchlorate source. This effort involves continuous groundwater pumping and filtration at each location for several days to separate and collect a sufficient amount of perchlorate that can then be analyzed.
Spring Valley FUDS Project Summary

March 2012

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