Browse Industry Resources Marijuana DUI THC Science Workplace Policies More Videos Industry Insights See All Overhauling Cannabis Workplace Drug Testing: The Shift to Fitness-for-Duty and Post-Hire Testing By HOUND LABS | March 1, 2022 Marijuana Legalization, Testing and Impairment By HOUND LABS | May 1, 2021 Times, They Are A-Changin By HOUND LABS | September 24, 2020 Testing drivers for cannabis is hard. Here’s why By 3rd Party | January 2, 2020 Driving Under the Influence of Marijuana and Illicit Drugs Among Persons Aged ≥16 Years By CDC | December 20, 2019 The Legalization of Marijuana in Colorado: The Impact By RMHIDTA | September 1, 2018 Ask Dr. Lynn Video Series See All » How Does a Marijuana Breath Test Help Employers? » 1:04 Why Test Breath? » 1:22 Laws on the Books » 0:35 Company Insights See All » Who Uses Cannabis Just Before or at Work?By Hound Labs | Get the Statistics How Long Can Marijuana be Detected in Drug Tests? By HOUND LABS | Sep 6, 2018 82% of Employers are Concerned about Marijuana Legalization By HOUND LABS | Feb 13, 2018 Join the WAIT LIST for the Hound® Marijuana Breathalyzer Sign Up Now