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Mr. Irving joined the CRL team in December of 2005 as Director of Toxicology. John has a strong background in substance abuse testing. While serving 21 years in the U.S. Navy, he established the Navy's Drug Testing Laboratory program and oversaw the operation of its five laboratories. He was also assigned to the National Institute on Drug Abuse where he served as the Technical Head of the Federal Testing Program during the writing and implementation of the Federal Program. He oversaw the writing of the laboratory inspection checklist and Inspector's Guide and was an instructor for training inspectors for the Federal Program. Since leaving the Navy, he has served as the Responsible Person for several large laboratories and served as the Director for a laboratory specializing in the use of hair for drug detection. Mr. Irving holds a B.S. in Chemistry from Parsons College and a M.S. in Chemistry from Bucknell University. John is the author of numerous publications and has made presentation at national toxicology conferences. | 