How is data excluded, i.e., are there statistically abnormal requirements, like 3 standard deviation?

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There are no specific provisions in the regulation for excluding data. If a submitter feels data should be excluded, they must petition for EPA approval. (7/1/94)

This question and answer was posted at List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (pdf) (2.98 MB, July 2003)