Cold Stress Emergency Response Toolbox Talk

Cold stress can become a medical emergency if not recognized and treated quickly. Prolonged exposure to cold temperatures, wind, wet conditions, or icy environments can lead to frostbite, hypothermia, and other serious cold-related illnesses. Every worker should know how to recognize the warning signs, provide immediate first aid, and activate the site's emergency response procedures.

This toolbox talk reviews the emergency response actions for cold stress and the steps workers should take when a coworker shows signs of a cold-related illness.

Why This Matters

• Hypothermia can become life-threatening if treatment is delayed.
• Early recognition helps prevent frostbite from causing permanent tissue damage.
• Rapid response reduces the severity of cold-related injuries.
• Prepared crews respond more effectively during emergencies.
• Every worker should know how to summon emergency assistance.

Common Hazards

• Extended exposure to freezing temperatures or wind chill.
• Wet clothing increasing body heat loss.
• Working in remote or isolated locations.
• Ignoring early symptoms of cold stress.
• Delaying first aid or medical treatment.
• Inadequate communication during emergencies.
• Limited access to heated shelters or warming equipment.
• Workers continuing to work despite cold-related symptoms.

Safety Checklist

Before Work Begins

• Review the site's cold stress emergency response procedures.
• Ensure workers know how to contact emergency medical services.
• Identify the locations of heated shelters, first aid supplies, and emergency access points.
• Review the signs and symptoms of frostbite and hypothermia.
• Assign buddy pairs where appropriate during severe cold conditions.
• Verify emergency contact information and site directions are readily available.

If a Worker Shows Signs of Cold Stress

• Stop work immediately and move the worker to a warm, dry, sheltered location.
• Notify a supervisor and activate the site's emergency response procedures.
• Remove wet clothing and replace it with dry clothing or blankets if available.
• Warm the worker gradually using blankets or warm, dry clothing. If the worker is alert and able to swallow safely, provide warm, non-alcoholic, non-caffeinated beverages.
• Do not rub or massage frostbitten skin, and do not apply direct heat such as heating pads, open flames, or very hot water to affected areas.
• Call emergency medical services immediately if hypothermia is suspected, if the worker is confused, drowsy, unconscious, has slowed breathing, or if severe frostbite is present. Stay with the worker until medical help arrives.

Crew Talking Points

• What are the early warning signs of frostbite and hypothermia?
• How do we contact emergency medical services from this jobsite?
• Where are the heated shelters, first aid supplies, and emergency equipment located?
• Who is responsible for directing emergency responders to the work location?
• What first aid should be provided while waiting for emergency assistance?
• Speak up immediately if you or a coworker begin showing signs of cold stress.

Stop Work If

• A worker develops signs of hypothermia or severe frostbite.
• Heated shelters or emergency warming equipment are unavailable.
• Weather conditions become too severe for safe work.
• Workers cannot remain warm and dry despite protective measures.
• Emergency communication procedures cannot be carried out.
• You are unable to safely continue working because of cold-related symptoms.

Final Reminder

Cold stress emergencies require immediate action. Recognize the symptoms early, stop work, move the affected worker to a warm location, begin gentle warming, and contact emergency medical services when severe symptoms are present. Fast action can prevent permanent injury and save a life.