The Clean Air Science Advisory Committee has rejected the latest version of the U.S. Environmental Protection Agency's Diesel Health Assessment Document.
As a result, EPA must revise the document to more accurately reflect scientific results before obtaining approval of the independent scientific review panel.
The Engine Manufacturers Assn. praised the decision. "This is a major document on the health effects of diesel exhaust that will be used by EPA to justify future regulation," said Executive Director Glenn Keller.
The advisory committee requested substantial revisions to correct errors, omissions and deficiencies in certain sections of the over 600-page draft. EPA will have to make changes and again submit the entire report for review.
"The conclusions and characterization of health risks in the latest EPA draft were clearly not validated by current scientific evidence," Keller said.
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