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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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slide1

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
slide2

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
slide3

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
slide4

COLD ZONE

29 CFR 1910.120 Q This could be an incident command post

slide5

WARM ZONE

WARM ZONE OR DECONTAMINATION AREA

slide6

HOT ZONE

CONTAMINATED AREA

slide8

SITE CONTROL

  • Security/physical barriers
  • Minimize personnel/equipment
  • Work zones
  • Access control points
  • Control airborne dispersion
  • Decontamination procedures
slide9

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
slide10

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
slide11

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
slide12

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
slide13

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
slide14

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
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