Remediation roundup

The Laboratory currently has three treatment systems operating 24 hours a day to clean up groundwater on the site. The following is an update on the total amounts of groundwater treated by each system and the amount of contaminants removed from the sole-source aquifer.

Removal Action V Pump-and-Treat System (operating since 12/96):

• 700,000,000 gallons of groundwater treated by air stripper and recharged
• 180 pounds of VOCs removed

Operable Unit III Pump-and-Treat System (operating since 6/97):

• 575,000,000 gallons of groundwater treated by air stripper and recharged
• 840 pounds of VOCs removed

Tritium Remediation System (operating since 5/97)

• 100,000,000 gallons of water treated by carbon filters (to remove VOCs) and recharged
• 50 pounds of VOCs removed
• Further southward movement of High Flux Beam Reactor tritium plume curtailed

To date, more than 1.3 billion gallons of groundwater have been treated, and more than 1,000 pounds of contaminants have been removed from the sole source aquifer.

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