HAZWOPER Hot, Warm, and Cold Zones
Short for The Hazardous Waste Operations and Emergency Response Standard, HAZWOPER mandates extensive training for employees involved in emergency response. One of those training topics will need to include a discussion about work zones (a.k.a. site control zones or safety zones).
So what does a response scene typically look like? Well, it will consist of three zones: the exclusion zone, the contamination reduction zone, and the support zone.
The Exclusion ZoneThe Exclusion Zone (often referred to as the “Hot Zone” or “Red Zone”) is the area that has actual or potential contamination that surrounds the emergency response incident. Most importantly, this is where the actual response takes place.
Activities within the Exclusion Zone include, but are not limited to:
- Site characterization and assessment,
- Hazard detection and monitoring,
- Controlling and confining releases, and
- Actual cleanup work.
The Contamination Reduction ZoneThe Contamination Reduction Zone (often referred to as the “Warm Zone” or “Yellow Zone”) is the transition area between the Exclusion and Support Zones. This area will directly support the activities taking place in the Hot Zone.
Activities within the Contamination Reduction Zone include, but are not limited to:
- Decontamination of equipment and personnel,
- Initial first aid for injured employees,
- Equipment resupply (such as refilling air tanks), and
- Temporary rest area for responders.
The Support ZoneThe Support Zone (often referred to as the “Cold Zone” or “Green Zone”) is the area of the site that is free from contamination. This area will be used as a planning and staging area.
Activities within the Support Zone include, but are not limited to:
- Command post operations,
- Logistical support,
- Medical support, and
- Worker rest areas (such as eating and drinking areas).
Figure 9-1 shown below is taken from OSHA's "Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities."
Find a Post
I have over 26 years of environmental compliance experience, and it has been some time since I have attended an environmental regulations workshop. I attended this course as preparation for EHS Audits for my six plants, and it was exactly what I was looking for.
Director of Regulatory Affairs
The instructor had knowledge of regulations and understanding of real-world situations. The presentation style was engaging and fostered a positive atmosphere for information sharing.
Safety & Environmental Compliance Officer
Lion is easily and consistently the best option for compliance training. I've learned new information from every instructor I've had.
The online course was well thought out and organized, with good interaction between the student and the course.
Material Release Agent
I will never go anywhere, but to Lion Technology.
You blew the doors off the competition!
The course is well thought out and organized in a way that leads to a clearer understanding of the total training.
Hazmat Shipping Professional
The instructor made the class enjoyable. He presented in a very knowledgeable, personable manner. Best class I've ever attended. Will take one again.
Environmental Compliance Manager
Lion is at the top of the industry in compliance training. Course content and structure are updated frequently to make annual re-training enjoyable. I like that Lion has experts that I can contact for 1 year after the training.
The price was reasonable, the time to complete the course was manageable, and the flexibility the online training allowed made it easy to complete.
Hazmat Shipping Professional
Download Our Latest Whitepaper
What to do before, during, and after a RCRA hazardous waste inspection to defend your site from rising State and Federal penalties.