Occupational Heat Stress Rules — Malaysia

Standards

Standard	Authority	Legal status	Rule type
Malaysia DOSH Heat Stress Guidelines 2016	Malaysia DOSH	Guidance	Schedule Engine

Most protective composite

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	50 / 10 min work/rest per hr (most protective)
31	30 / 30 min work/rest per hr (most protective)
34	0 / 60 min work/rest per hr (most protective)

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: Malaysia DOSH Heat Stress Guidelines 2016.

Sources

🇲🇾 Malaysia heat stress management guidelines — Malaysia DOSH, Ministry of Human Resources (official PDF endpoint)
ACGIH heat stress resources — ACGIH (official public page)