florida operational level hazardous materials training program florida operational level hazardous...
TRANSCRIPT
Florida Operational LevelHazardous Materials Training Program
Florida Operational Level Hazardous Materials Training
Module 4 Unit 1Decontamination
Unit 4 - 2Florida Operational LevelHazardous Materials Training Program
Objectives
Identify appropriate level of protection identify was objects become contaminated identify various methods of
decontamination describe emergency decontamination identify appropriate methods for dealing
with contaminated patients
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Objectives (cont)
Demonstrate emergency decontamination perform technical decontamination
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Types of contamination
Direct Contaminationcontact with product or vapors
Cross Contaminationcontact with a contaminated object
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Assessment of Contamination
Proper training and training Proper protection Physical and chemical properties
is it needed type required
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Decontamination methods
Dry- brushing, removing, vacuumingdoes not involve liquidsusually the first step of decon process important if chemical is water reactive
wet decontamination- flushing, dilutioncommonly uses water
dilution or physical removal by flushing
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Decontamination Methods (cont)
If material is not water solubleThen surfactant must be used
Laundry detergent is common
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Gross Decontamination
Occurs at edge of Hot Zone leaves bulk of contamination in Hot Zone Combination of methods Hands off process Advantages:
minimizes the risk through the rest of process lowers possibility of exposure to vapors
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Secondary Decontamination
Occurs after Gross, in Warm Zone Systematic head to toe removal Methods: usually wash followed by rinse
and removal of PPE Hands-off until wash and rinse is done Process will vary
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Tertiary Decontamination
Fine removal of remaining contaminants usually performed at hospital includes- hygiene showers, skin
debridement, dialysis, surgical interventions
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Emergency Decontamination
Rapid removal of contaminants Advantages
Requires minimal special equipmentPerformed by operational level respondersEnables rapid medical treatmentminimizes risk down stream
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Emergency Decontamination
Equipment hydrant gate valve 200’ 2 1/2” hose 50’ 1 1/2” hose gated wye 1 1/2” nozzel cribbing salvage cover or
plastic sheeting
Set up
wind
hill
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Decontamination Steps
strip
flush
wrap
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Technical Decontamination
A through step by step process used to remove contaminates from responders or victims in a non-urgent manor.More through removal of contaminationMethods will vary with chemicalTechnician level assistance is required
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Mass Decontamination
Rapid flush of large number of victims Methods- single engine or multiple engine considerations
scene controluse of hand lines and deck gunshands-off operation
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Summary
Types of decontamination Methods of decontamination Stages of decontamination
Florida Operational LevelHazardous Materials Training Program
Florida Operational Level Hazardous Materials Training
Activity 4.1
Florida Operational LevelHazardous Materials Training Program
Florida Operational Level Hazardous Materials Training
Module 4 Unit 2Spill, Leak and Fire control
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Spill Control
Defensive operations to minimize damage to: the environmentpeople things
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Spill Typing
Physical state Solid Liquid Gas
Environmental Medium Air Surface Water Subsurface
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Gas/Air
Control methodsventilationdispersionblanketingdissolution
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Liquid/Surface
Control methodsDikingDivertingRetainingAbsorbing - spongingDiluting
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Liquid/Water
Control methodsBoomingDivertingDamming
overflow/underflow
RetainingBlanketing
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Leak Control
Limmited to remote shutoffsunless properly trained and protected for
product ie:LPG, Natural Gas, Gasoline
remote shutoffs fixed facility’s transportation
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Fire Control
Fire Fighting Foamadvantages
reduces evaporation
decreases production of vapors
prevents ignition
quick fire knock down
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Foam Characteristics
Hydrocarbon/ polar solvent/ Multi use
protein/ synthetic based
expansion ratios re-ignition/ burnback
resistance water retention
Heat resistance protection from
freezing compatibility with dry
chemical viscosity can be pre-mixed fuel shedding
capability
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Protein Foam
3-6% made from animal protein good re-ignition resistance excellent water retention may freeze may add anti-freeze
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Flouro-protein Foam
3-6% Excellent fuel shedding long term vapor suppression good water retention long heat resistance low viscosity excellent for sub-surface injection
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AFFF
1, 3-6% synthetic based good penetrating abilities may use non-aerating nozzles low viscosity can be pre-mixed multi-purpose
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Application Rates
May vary between manufactures different for ignited spills calculate and assemble needed amount
before beginning application must be faster than destruction rate