DOT does not consider samples preserved according to EPA requirements to be DOT hazardous materials unless the sample meets the definition of a hazardous material prior to preservation.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Department of Transportation (DOT) Letter Regarding Samples Preserved According to EPA Requirements (PDF)(1 pg, 42 K, February 3, 2003, 02-0093)