ohio hazmat & wmd technician
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HazMat Technician Mod 1 Unit 7 Slide 1
OhioHazmat & WMD Technician
Module 1 Unit 7
Decontamination Procedures
HazMat Technician Mod 1 Unit 7 Slide 2
Learning Objectives
At the end of this training each student will demonstrate the set up of the warm zone and knowledge of
proper decontamination techniques.
HazMat Technician Mod 1 Unit 7 Slide 3
Student Performance Objectives
• List the 5 separate types of decontamination
• Perform emergency decontamination of a victim
• Set up a mass decon corridor• Set up a technical decontamination area• Must be able to successfully competency
evaluations 040, 041 and 042
HazMat Technician Mod 1 Unit 7 Slide 4
Decontamination Procedures
• Emergency Decon Hydrant caps
HazMat Technician Mod 1 Unit 7 Slide 5
Decontamination Procedures (cont.)
• Mass Casualty DeconHoselineEngine or Ladder corridorsTents and trailers
HazMat Technician Mod 1 Unit 7 Slide 6
Decontamination Procedures (cont.)
• Hospital Decon
HazMat Technician Mod 1 Unit 7 Slide 7
Technical Decon• Purpose of decon• Contamination Prevention
Minimize contactRemote proceduresProtective coversDisposable clothingLimit contactCover contaminants
HazMat Technician Mod 1 Unit 7 Slide 8
Decontamination Planning
• Types of contaminationSurfacePermeated
• Factors affecting ContaminationContact timeConcentrationTemperaturePhysical state
HazMat Technician Mod 1 Unit 7 Slide 9
Decontamination Planning (cont.)
• Methods of DecontaminationType of contaminantAmountPPEType of contaminationCharacteristics of the surface
HazMat Technician Mod 1 Unit 7 Slide 10
Decontamination Planning (cont.)
• Physical removal TechniquesBrushingScrapingVacuumingWashing and rinsingHeat or steam cleaning
HazMat Technician Mod 1 Unit 7 Slide 11
Decontamination Planning (cont.)
• Chemical removal techniquesDissolvingSurfactantsNeutralizationOxidationSolidificationDisinfection/sterilization
HazMat Technician Mod 1 Unit 7 Slide 12
Decontamination Planning (cont.)
• Implementation• Location• PPE• Procedures• Equipment decon• Decon solutions• Processes
WetDry
HazMat Technician Mod 1 Unit 7 Slide 13
Decontamination Planning (cont.)
• Decon effectivenessVisualMonitor devicesUltraviolet lightWipe samplingChemical analysis
HazMat Technician Mod 1 Unit 7 Slide 14
Equipment Decon
HazMat Technician Mod 1 Unit 7 Slide 15
ExerciseTime Allotted: 240 minutes
Equipment needed: Various types of non-bulk containers55 gallon drumsChlorine cylinder
Various types of bulk containers1 ton cylinder307/407312/412Railcar*
Overpack drumsChlorine kits A, B, and CTransfer pumpsPlugging kit
Supplies needed: Bonding and grounded equipmentPatches and plugsFull Decon Set-upDecon checklistLevel B Suit ensemblesLevel B dressout checklist
Methodology: The instructor will give you the scenario and you will have to work through solutions based on the information that you have learned.
HazMat Technician Mod 1 Unit 7 Slide 16
Unit 7 Quiz
HazMat Technician Mod 1 Unit 7 Slide 17
Decon set-up proceduresDecon ChecklistName of decon tech________________________________________ Names of personnel assigned for decon per the I.C.______________________ ____________________ ___________________________________________ ____________________ _____________________ 1-5 gal bucket w/soap 3 trashcans w/liners rolled plastic2 Decon Decks w/bladders (pools) 2 scrub brushes 2 hoses w/wands
Manifold Lights(optional) Tarp (optional) duct tape (optional
___ Confirm type and extent of decon with Hazmat Branch Officer___ Confirm Selected Decon area (upwind, uphill, flat surface)___ Light area if at night___ Place canvas tarps down if on rough ground (gravel)___ Lay out plastic minimum size 20’ x 50’___ Roll up sides and tape (optional)___ Lay 1 1/2 hose from an engine attach decon manifold and 2 garden hoses___ Place zoning tape around perimeter and mark entrance and exit___ Place Decon Decks in position and attach bladders___ Place 5 gal bucket with soapy water and brushes for washing___ Review Decon procedures with I.C.___ Confirm dress out level for decon personnel___ Assign tenders and dress decon personnel as per dress-out procedures
HazMat Technician Mod 1 Unit 7 Slide 18
Entry
Exit
1-½ from engine
Lined trash can
Decon deck
Bladder
pylons
Banner tape
Lined trash can for tool drop
1” garden hose w wand
Manifold
5 gal bucket w/soap and water
Standard Decon Diagram
HOT ZONE
HazMat Technician Mod 1 Unit 7 Slide 19
Questions?
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