More research needed on underwater oil dispersant use

By REBECCA DOLAN, MEDILL NEWS SERVICEWritten for UPIWASHINGTON, Aug. 4 (UPI) -- More research is needed to understand the long-term effects of oil dispersants, especially considering their underwater use, experts and lawmakers said at a U.S. Senate committee hearing Wednesday. United States - United States Senate - United Press International - U.S. Senate committee - WASHINGTON

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