I'm over my head on this one.... looking for information about chromic acid oxidation of marijuana/tetrahydrocannabinol/THC/cannabis metabolites. I've search Toxline using the above terms with no luck. Any suggestions appreciated! Brynn Beals St. Joseph Medical Center Library 1717 S. J Street P.O. Box 2197 Tacoma, WA 98401-2197 Phone: 253-591-6778 FAX: 253-779-6260 [log in to unmask]