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HazMat Incident Site Control: Importance & Zones

Learn the importance of site control in HazMat incidents and understand the purpose of different control zones. Properly protect personnel, minimize contamination spread, and control access to hazardous areas.

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HazMat Incident Site Control: Importance & Zones

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  1. Haz MatIncident Considerations • Chapter 11 • Site Control Concepts

  2. Site Control Concepts • Session Objectives • Understand the importance of site control • Understand the purpose of the various zones

  3. Site Control Concepts • Properly protect personnel against the hazard(s) of the material involved • Confine and minimize the spread of contamination • Control access to the hazard location

  4. Establishing the Control Lines and Zones • Reference books • Computer data bases • MSDS • Information available from the manufacturer or personnel on scene • If the material is an unknown • use their best judgment • based on the existing conditions

  5. Establishing the Control Lines and Zones • Control lines should be established based on a specific value • Confirm with air monitoring • Use physical barriers • Establish control lines that are visible and easy to control

  6. Control Zones • Exclusion (hot) zone • Contamination reduction (warm) zone • Support zone

  7. Haz Mat Zone layout Decon AS/HM Exclusion Zone SAC CRZ Support Zone Entry spill Tank Tech/Spec Building 5 Chem Storage IC fence

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