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Redwood Toxicology Laboratory

Redwood Toxicology Laboratory, Inc. (RTL) offers comprehensive, low-cost drug and alcohol testing options. Our laboratory services include urine drug testing, oral fluid drug testing, steroid testing and more. RTL also sells Reditest? instant, on-site drug test products.

3650 Westwind Blvd.
Santa Rosa, CA 95403

Phone: (866) 577-8886
Web: http://www.redwoodtoxicology.com

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