AZ SB1330

Requires employers to develop written heat stress mitigation programs when indoor or outdoor temperatures reach 80°F or higher, including provisions for drinking water (minimum 1 quart per hour per employee), 10-minute cool-down breaks, access to shade, and thermometer monitoring.

Mandates employers implement high heat procedures when temperatures reach 90°F or higher, requiring 10-minute cool-down breaks every 2 hours and every 1 hour when temperatures equal or exceed 100°F, with compensation if breaks coincide with unpaid meal periods.

Requires employers to develop written cold stress mitigation programs for temperatures at 60°F or below, including access to warm liquids and warm areas, proper personal protective equipment, thermometer monitoring, and 10-minute warm-up breaks.

Establishes comprehensive employee training requirements at hire and annually, covering temperature-related illness recognition, emergency procedures, proper equipment use, and acclimatization protocols, with materials available in appropriate language and literacy levels.

Applies to all employees regardless of immigration status and includes private and public sector workers, contractors, temporary workers, and day laborers; establishes prohibition on retaliation for reporting hazardous conditions or temperature-related illnesses.