SITE ENTRY AND RECONNASSANCE
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SITE ENTRY AND RECONNASSANCE. Site safety plan requirements: As a minimum the plan must Name key personnel, alternates, health and safety personnel Task/operations safety and health risk analysis Employee training Personal protective equipment Air monitoring program Sampling techniques

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SITE ENTRY AND RECONNASSANCE

  • Site safety plan requirements:

  • As a minimum the plan must

  • Name key personnel, alternates, health and safety personnel

  • Task/operations safety and health risk analysis

  • Employee training

  • Personal protective equipment

  • Air monitoring program

  • Sampling techniques

  • Personnel medical monitoring

  • Site control measures

  • Decontamination procedures


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SITE ENTRY AND RECONNAISSANCE (CON’T)

  • Emergency planning/medical facilities

  • Confined space procedures

  • Medical surveillance program

  • Weather-related problems

  • Buddy system

  • Communications (visual/verbal)

  • Spill containment


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THREE WORK ZONES

  • Support zone (cold)

    • Command post

    • No contamination

    • Normal work clothes

  • Contamination reduction zone (warm)

    • Decon line

    • Buffer

    • PPE required

  • Exclusion zone (hot)

    • Hot line

    • Contamination

    • PPE required


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COLD ZONE

29 CFR 1910.120 Q This could be an incident command post


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WARM ZONE

WARM ZONE OR DECONTAMINATION AREA


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HOT ZONE

CONTAMINATED AREA


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COLD, WARM, HOT ZONES

HOT

WARM

COLD


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SITE CONTROL

  • Security/physical barriers

  • Minimize personnel/equipment

  • Work zones

  • Access control points

  • Control airborne dispersion

  • Decontamination procedures


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OFFSITE CHARACTERIZATION

INTERVIEWS/RECORDS RESEARCH

  • Habitation

  • Site location and size

  • Response activities/emergency

  • Duration of employee activity

  • Site topography

  • Geologic and hydrologic data

  • Accessibility by air/road

  • Hazardous substance involved

  • Pathways of dispersion

  • Previous surveying/sampling


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PERIMETER RECONNAISSANCE

  • Site maps

  • Historical/current photographs

  • Container/vehicle markings

  • Condition of containers/vehicles

  • Biologic indicators

  • Unusual conditions

  • Unusual odors

  • Air monitoring at site perimeter

  • Off site samples


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ON-SITE SURVEY

PRIMARY ENTRY OBJECTIVE

  • Monitor air for IDLH atmospheres

    • Combustibles or explosives

    • Oxygen deficiency

    • Radiation

    • Toxic substances

  • Visually observe for signs of IDLH conditions

    • Confined spaces

    • Visible vapor clouds

    • Biological indicators


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ON SITE SURVEY (CON’T)

  • NOTE TYPES OF CONTAINERS

  • Paper of wood packages

  • Metal or plastic barrels/drums

  • Underground tanks

  • Above ground tanks

  • Compressed gas cylinders

  • Pits, ponds or lagoons


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ON SITE SURVEY (CON’T)

  • NOTE CONDITION OF CONTAINERS AND STORAGE SYSTEMS

  • Sound (undamaged)

  • Rusted or corroded

  • Leaking

  • Bulging

  • Types and quantities of materials

  • Labels


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ON SITE SURVEY (CON’T)

NOTE PHYSICAL CONDITION OF MATERIALS

  • Solid, liquid, or gas

  • Color and turbidity

  • Behavior (corroding, foaming, or vaporizing)

  • Conditions conductive to splash or contact

  • Dust or spray in the air

  • Pools of liquid

  • Foams or oils on liquid surfaces

  • Possible landfill areas