Mexico NOM-015-STPS-2001 (IBUTG) — Heat Stress Screening Thresholds

Mexico NOM-015-STPS-2001 thermal conditions standard setting IBUTG (WBGT) exposure limits by workload type.

Governing formula

No standalone formula is published for this standard; see programmable logic and parameters below.

WBGT (°C)	Light 180 W	Moderate 300 W	Heavy 415 W	Very heavy 520 W
24	30°C limit	26.7°C limit	25°C limit	25°C limit
25	30°C limit	26.7°C limit	25°C limit	25°C limit
26	30°C limit	26.7°C limit	25°C limit — exceeded	25°C limit — exceeded
27	30°C limit	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
28	30°C limit	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
29	30°C limit	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
30	30°C limit	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
31	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
32	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
33	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
34	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
35	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded
36	30°C limit — exceeded	26.7°C limit — exceeded	25°C limit — exceeded	25°C limit — exceeded

This standard's declared inputs do not include acclimatization status, so results do not vary by it.

Required inputs: wbgtC

Optional inputs: workload

🇲🇽 Mexico NOM-015-STPS-2001 thermal conditions — Secretaría del Trabajo y Previsión Social (Mexico) (official)