Aug 6, 2011

Campus Groundwater Sampled in Ongoing Perchlorate Investigation

No Entry: Source Area Investigation
The installation of sixteen temporary wells at American University in the vicinity of Kreeger Hall was completed in an effort to identify the source of elevated perchlorate levels in the groundwater in this area. The wells were installed, sampled and closed during a three-week period in July ... Also this month, data generated from the first quarterly sampling effort in May at existing groundwater monitoring wells and surface water locations, such as creeks and streams, was reviewed.

Drilling for Groundwater at Source Area #2
The field team plans to conduct the second quarterly sampling effort the first week of August to assess whether seasonal fluctuations affect contaminant levels in groundwater within the Spring Valley project area. Three new deep groundwater monitoring wells are expected to be installed later this year to determine if perchlorate has migrated into the deeper groundwater flow areas.

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