Can Secondhand Marijuana Smoke Cause a Failed DOT Drug Test? The Science and the Defense That Won't Work Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Focused on the Facts: Secondhand Marijuana Smoke American Nonsmokers' Rights Foundation no smoke.org Can Secondhand Marijuana Smoke Cause a Failed DOT Drug Test? The Science and the Defense That Amazon.com: Exploro Nicotine Testing Kit at Home, Cotinine Urine Test, Highly Sensitive Nicotine Test Strips for Urine, Nicotine Test, Accurate Nicotene Test & Vape Test for Cut Off Level 200 ng ml (Pack of Guide to Marijuana Drug Testing for Employment GoodRx