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Public Meeting U.S. Environmental Protection Agency Ciba-Geigy Site
Toms River, New Jersey
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March 23, 1999
Groundwater Contamination
Extent of Contamination
Monitoring Well Network
Over 540 wells and piezometers are associated with the site
Long Term Monitoring Plan
120 wells sampled annually for organics and metals
237 wells sampled semiannually for water level measurements
Toms River sampled semiannually upstream and downstream of the site for organics and metals
Oak Ridge Area
As part of EPA's 1989 decision document for the groundwater, affected residential irrigation wells were closed
Affected area is on public water supply
Institutional controls exist to prevent installation of wells in affected area
-Ocean County Health Department restrictions
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