GFL must pay after firing worker over single cannabis test
A Saskatchewan Labour Relations Board decision dated July 22, 2026 upheld a wage assessment against GFL Environmental Inc. after it fired assistant operator Daniel Parker in Feb. 2025 for a positive cannabis test under its drug policy. The Board found GFL failed to investigate circumstances or assess proportionality, leaving GFL owing $5,958.19 in wages for the notice period.
How this was made

The 30-second read
Why it matters
The tribunal dismissed GFL’s appeal and confirmed the earlier finding that GFL did not prove just cause, leaving GFL owing wages tied to the notice period.
Market read
This is a labor-relations compliance ruling against GFL, with a specific wage liability and a clear procedural lesson for drug-testing terminations.
What to watch
The decision emphasizes process (investigation and proportionality) rather than rejecting drug testing outright, so future policy compliance could prevent repeat cases.
Background
GFL terminated an assistant operator the same day as a positive cannabis drug test under its drug and alcohol policy.
Ticker impact
Saskatchewan Labour Relations Board upheld a wage assessment against GFL after it fired an employee for a single positive cannabis test.
Low near-term impact; any reaction would likely be limited to sentiment around employment practices rather than fundamentals.
The article discloses a specific wage liability ($5,958.19) tied to a notice period, and the key new fact is the tribunal’s confirmation that GFL lacked just cause without investigating circumstances and proportionality.
Market effects
Highlights employment-standards risk for environmental services and other safety-sensitive employers using drug-testing policies.
Local Canadian labor-law precedent may increase scrutiny of cannabis-test-based terminations in Saskatchewan.
Limited; this appears jurisdiction-specific and small in dollar terms, with no broader regulatory action described.
Counterpoint
Because the liability is confined to wages for a notice period, the economic impact is likely immaterial and may not change investor views on GFL’s operating risk.
Key entities
- companyGFL Environmental Inc.
Employer that appealed a wage assessment after firing an employee for a positive cannabis test.
- regulatorSaskatchewan Labour Relations Board
Tribunal that dismissed GFL’s appeal and upheld the wage assessment.
- officialPatricia Warwick
Vice-Chairperson who authored the decision dated July 22, 2026.
- individualDaniel Parker
Worker whose dismissal was challenged; the case is cited as 2026 SKLRB 39.