National Testing Services Contact

Drug testing in Pennsylvania

State laws, marijuana laws, and employer compliance

Recreational marijuana: IllegalMedical marijuana: LegalDOT rules apply nationwide
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For employers

Pennsylvania drug testing laws

Governing law

Pennsylvania Medical Marijuana Act; federal DOT and safety-sensitive industry drug testing regulations

What you can do

Employer rights

  • Pre-employment testing is allowed
  • Random testing is generally permitted
  • Reasonable-suspicion testing is lawful
  • Post-accident testing is allowed
  • Return-to-duty and follow-up testing are permitted
  • Employers may refuse to hire or terminate over positive results
  • Employers may ban drug use and impairment at work
What you must do

Compliance requirements

  • Keep documented drug testing rules
  • Apply testing evenly across employees
  • Use certified laboratories
  • Define impairment standards clearly
  • Follow federal DOT and safety-sensitive rules where they apply

Pennsylvania specifics

Workers' Compensation and Safety

  • Post-accident testing is commonly used in workplace safety and workers' compensation investigations

Cannabis

Pennsylvania marijuana laws

Recreational · Illegal

Recreational use

  • Still prohibited
  • Unauthorized possession may still bring criminal penalties
Medical · Legal

Medical use

  • Legal for qualified patients with approved medical conditions under the Medical Marijuana Act
At work

Workplace impact

  • Employers can keep drug-free workplace policies
  • Employers can prohibit on-duty impairment
  • Discrimination based solely on medical marijuana certification is barred in certain situations
  • Employers can bar workers from safety-sensitive tasks while impaired
  • Federal contractors and DOT-regulated employers remain subject to federal testing laws

Best practices

Staying compliant in Pennsylvania

Draft thorough drug-free workplace policies
Set clear impairment criteria
Track changes to medical marijuana law
Work with certified testing providers
Enforce testing uniformly
Observe applicable federal requirements

Our services

Testing services in Pennsylvania

NTS provides accurate, confidential, and legally defensible testing through our nationwide collection network.

Urine drug testingHair follicle testingOral fluid (saliva) testingNail drug testingDOT drug and alcohol testingCourt-ordered testingRandom and pre-employment screening

Sources & legal references

  1. Pennsylvania Medical Marijuana Act
  2. Pennsylvania Department of Labor & Industry
  3. Pennsylvania Workers' Compensation Act
  4. Pennsylvania Human Relations Act
  5. U.S. DOT Drug & Alcohol Testing Regulations
  6. NCSL Marijuana Laws by State

Laws change often. This page is general information, not legal advice. Check official state agencies or consult legal counsel for current requirements.

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Testing employees in Pennsylvania?

Call the office to set up a compliant program, or schedule onsite collections.

Office601-602-2445 Onsite601-633-7733
Visit1520 Adeline St, Ste. 20, Hattiesburg, MS 39401