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SITE CHARACTERIZATION. OSHA 1910.120 HAZWOPER. PURPOSE: PROVIDES THE INFORMATION NECESSARY TO IDENTIFY SITE HAZARDS AND TO SELECT WORKER PROTECTION METHODS. GOAL: OBTAIN ACCURATE, DETAILED , AND COMPREHENSIVE INFORMATION TO TAILOR THE PROTECTIVE MEASURES TO THE ACTUAL

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Site characterization

SITE CHARACTERIZATION

OSHA 1910.120

HAZWOPER


PURPOSE:

PROVIDES THE INFORMATION NECESSARY TO

IDENTIFY SITE HAZARDS AND TO SELECT

WORKER PROTECTION METHODS.

GOAL:

OBTAIN ACCURATE, DETAILED, AND

COMPREHENSIVE INFORMATION TO TAILOR

THE PROTECTIVE MEASURES TO THE ACTUAL

POTENTIAL HAZARDS AT THE SITE.


Responsibilities
RESPONSIBILITIES

  • Incident Commander, Supervisor, Project Manager, with support from:

    • Chemist

    • Industrial Hygienists

    • Geologists

    • Safety Personnel

    • Toxicologists


Three phases of site characterization
Three Phases of Site Characterization

  • Offsite characterization prior to site entry.

  • Onsite Survey

  • Ongoing Characterization


GOAL

  • Gather as much information as possible so hazards are evaluated and preliminary site controls and personal protection measure are established:

    • Focus on potential inhalation hazards, IDLH situations or other dangerous situations such as:

      • Explosive/Flammable Situations

      • Extremely Hazardous Situations

      • Dead animals, Dead Vegetation, Discolored Soils


Two methods to obtain information
Two Methods To Obtain Information

  • Interviews/Records Review

  • Perimeter Reconnaissance


Onsite survey
ONSITE SURVEY

  • Look, feel, listen, smell.

  • Use BUDDY system.

  • Note types of containers, impoundment or storage systems.

  • Note Condition of Containers.

  • Note Physical Condition of the Materials.

  • Identify Natural Wind Barriers & Wind Direction.

  • Determine Potential Pathways or Dispersion.


Onsite survey continued
ONSITE SURVEY, continued

  • Collect Samples.

  • Use Remote Sensing Equipment if Warranted.

  • Note any Safety Hazards.

  • Identify Reactive, Incompatible, Flammable, or Highly Corrosive Wastes.

  • Note Tags, Labels, Markings or other Identifying Markers.


Document information gathered
DOCUMENT INFORMATION GATHERED

  • Ensures Accurate Communication.

  • Ensures Data Quality.

  • Documents Rationale for Protective Measures.


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