Workplace testing knowledge center
Employer Drug & Alcohol Testing Resources
Clear, source-backed guidance for HR, safety, compliance, and operations teams responsible for employee testing programs.
Practical employer guides
Start with the question your organization needs to answer.
Each guide explains the operational basics, links to authoritative sources, and identifies where policy or legal review may be needed.
How to Build a Workplace Drug and Alcohol Testing Program
A practical employer guide to planning a workplace drug and alcohol testing program, from policy decisions and test types to training and ongoing review.
Read the guide →Employer guideDOT vs. Non-DOT Drug Testing: What Employers Need to Know
Understand the practical differences between DOT and non-DOT employee drug testing, including governing rules, forms, panels, test types, and employer responsibilities.
Read the guide →Employer guideFMCSA Drug and Alcohol Testing Checklist for Employers
A practical FMCSA drug and alcohol testing checklist covering covered drivers, pre-employment testing, random programs, the Clearinghouse, training, and records.
Read the guide →Employer guideWhat Does a Medical Review Officer Do in Drug Testing?
Learn how a Medical Review Officer reviews laboratory drug-test results, contacts donors, evaluates legitimate medical explanations, and reports verified outcomes.
Read the guide →Employer guideWhat Should an Employee Drug and Alcohol Testing Policy Include?
An employer-focused checklist for a written drug and alcohol testing policy, including scope, prohibited conduct, testing circumstances, procedures, consequences, and confidentiality.
Read the guide →Employer guideHow to Choose a Drug and Alcohol Testing TPA
Questions employers should ask when choosing a third-party administrator for nationwide drug and alcohol testing, DOT programs, collections, reporting, and support.
Read the guide →Industry guides
Testing programs shaped around how your workforce operates
Explore transportation, healthcare, construction, manufacturing, public safety, government, and education.
Browse industries →50-state law center
State drug testing laws for employers
Start with a state-specific planning overview, current legal issues to verify, and official sources.
Choose a state →