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661 HAZWOPER for General Site Workers II
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Detailed Site Evaluation

Soon after employees begin working at the site, the qualified person must conduct a more detailed evaluation of the site.

Qualified person in the process of performing a detailed site evaluation.

The evaluation must include:

  • the location and size of the site,
  • site topography,
  • site accessibility by air and roads,
  • pathways for hazardous substances to disperse,
  • a description of employee duties, and the time needed to perform a task, and
  • the present status and capabilities of the emergency response teams.

Additional requirements of the site characterization involve the following:

  • PPE to be used during initial site entry,
  • Exposure monitoring for ionizing radiation and other IDLH conditions. (Note: An ongoing air monitoring program in accordance with paragraph (h) of HAZWOPER must be implemented after site characterization has determined it is safe to begin start up or cleanup operations), and
  • Risk identification based on the presence and concentrations of hazardous substances and communication of the risks to those employees who will be working on the site.

Knowledge Check Choose the best answer for the question.

1-5. When must a qualified person conduct a more detailed evaluation of a hazardous waste site?