Hazardous Materials

Question 1

What are the 3 zones set up at a Hazmat incident and how are they defined?

Answer 1

Hot zone- source of contamination

Warm zone-

Cold zone- area outside decontamination area before outer cordon

Question 2

What are the five factors to be considered when establishing the Decon zone?

Answer 2

• Type and scale of contamination
• weather conditions and wind direction
• Available drainage
• slope of ground
• Ease of access for on-coming vehicle