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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
      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
              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
                 COLD ZONE




29 CFR 1910.120 Q This could be an incident command post
        WARM ZONE




WARM ZONE OR DECONTAMINATION AREA
   HOT ZONE




CONTAMINATED AREA
COLD, WARM, HOT ZONES




           HOT



                 WARM




    COLD
              SITE CONTROL


•Security/physical barriers
•Minimize personnel/equipment
•Work zones
•Access control points
•Control airborne dispersion
•Decontamination procedures
              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
           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
           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
        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
   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
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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posted:12/10/2011
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