| Standard | Authority | Legal status | Rule type |
|---|---|---|---|
| Tanzania Occupational Health and Safety Act 2003 — General Duty (no heat threshold) | Occupational Safety and Health Authority (OSHA Tanzania), Ministry of Labour, United Republic of Tanzania | Regulation | Control Overlay |
| Tanzania Workplace Environment Regulations 2023 (GN 289/2023) — WBGT Limits and 30 C Duty | Occupational Safety and Health Authority (OSHA Tanzania), Ministry of Labour, United Republic of Tanzania | Regulation | Schedule Engine |
Reference conditions: moderate work (300 W), acclimatized worker. WBGT values below are illustrative reference points, not a threshold of any single standard.
| WBGT (°C) | Most protective result |
|---|---|
| 28 | 60 / 0 min work/rest per hr (most protective) |
| 31 | 15 / 45 min work/rest per hr (most protective) |
| 34 | Stop work — At least one applicable standard requires stop work or prohibits continued work. |
This is the single most protective applicable result at each condition (stop-work override, else minimum work / maximum rest minutes) — standards are never averaged. Contributing standard(s) across these conditions: Tanzania Workplace Environment Regulations 2023 (GN 289/2023) — WBGT Limits and 30 C Duty.
Get notified when any heat or wildfire-smoke standard tracked for Tanzania changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
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