Orcas, Killer Whales May Suffer From Contamination Next 30 To 60 Years
September 10, 2007 @ 12:14 PM (EST)
Source: Sciencemode.com
Orcas or killer whales may continue to suffer the effects of contamination with polychlorinated biphenyls (PCBs) for the next 30 u" 60 years, despite 1970s-era regulations that have reduced overall PCB concentrations in the environment, researchers in Canada report.
Their study, which calls for better standards to protect these rare marine mammals, is scheduled for the Sept. 15 issue of ACSu Environmental Science & Technology, a semi-monthly journal...
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