British Columbia adopts an inhalable fentanyl limit
British Columbia adopted an eight-hour limit of 0.0001 mg/m³ for inhalable fentanyl and fentanyl citrate, expressed as fentanyl, effective January 29, 2025. WorkSafeBC withheld the recommended short-term limit because of sampling issues.
No proposed short-term exposure limit was adopted in this decision.
- Legal status
- in force
- Source check
- Sep 17, 2026
- Topic
- Fentanyl
- Technical review
- Jiaxi · 2026-09-23
What changed
Previous requirement
No earlier requirement established for this event.
New requirement or current position
0.0001 mg/m3 for inhalable fentanyl and fentanyl citrate, as fentanyl.
Who it affects
- Pharmaceutical handling
- Laboratories
- Workplaces handling fentanyl
Dates and milestones
Commencement and compliance dates can differ. Read the conditions beside each date, including any stay or local adoption requirement.
- Announcement or publication
- Not established or not applicable
- Recorded effective date
- Jan 29, 2025
Selected exposure values
These values need the scope, limit type and averaging period shown below. A proposed or advisory value is not a binding limit.
Fentanyl and fentanyl citrate, as fentanyl, inhalable
0.0001 mg/m3| Averaging period | 8 hours |
|---|---|
| Limit type | TWA |
| Scope | WorkSafeBC workplaces |
What this could mean for your IH program
Check analytical sensitivity and sampling suitability when updating assessments.
Confirm applicability with a qualified practitioner before changing your program.
Questions and qualifications
- The Board withheld the recommended short-term limit because of sampling issues; it must not be shown as a BC legal STEL.
Source evidence
- Decision on Fentanyl and Fentanyl Citrate, as Fentanyl
WorkSafeBC · Decision paragraph and table
8-hour inhalable limit adopted January 29, 2025. Recommended 15-minute limit was not adopted because of sampling issues.
- BOD Decision 2024/11/20-06: Fentanyl
WorkSafeBC · Decision summary
Confirms 0.0001 mg/m3 8-hour inhalable limit.
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