Concerns about contaminants halt Hudson River dredging

08/10/2009 | NYTimes.com

Officials late last week halted dredging of the Hudson River because contaminants were drifting downstream. However, the $750 million project could restart as early as today. The EPA may expand the use of special curtains that control the spread of silt laced with PCBs. General Electric, which released the PCBs into the water before they were banned, is paying for and overseeing the project.

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