Ohio
Hazmat & WMD Technician
Module 1 Unit 7
Decontamination Procedures
HazMat Technician Mod 1 Unit 7 Slide 1
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 2
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 3
Decontamination Procedures
• Emergency Decon
Hydrant caps
HazMat Technician Mod 1 Unit 7 Slide 4
Decontamination Procedures
(cont.)
• Mass Casualty Decon
Hoseline
Engine or Ladder corridors
Tents and trailers
HazMat Technician Mod 1 Unit 7 Slide 5
Decontamination Procedures
(cont.)
• Hospital Decon
HazMat Technician Mod 1 Unit 7 Slide 6
Technical Decon
• Purpose of decon
• Contamination Prevention
Minimize contact
Remote procedures
Protective covers
Disposable clothing
Limit contact
Cover contaminants
HazMat Technician Mod 1 Unit 7 Slide 7
Decontamination Planning
• Types of contamination
Surface
Permeated
• Factors affecting Contamination
Contact time
Concentration
Temperature
Physical state
HazMat Technician Mod 1 Unit 7 Slide 8
Decontamination Planning
(cont.)
• Methods of Decontamination
Type of contaminant
Amount
PPE
Type of contamination
Characteristics of the surface
HazMat Technician Mod 1 Unit 7 Slide 9
Decontamination Planning
(cont.)
• Physical removal Techniques
Brushing
Scraping
Vacuuming
Washing and rinsing
Heat or steam cleaning
HazMat Technician Mod 1 Unit 7 Slide 10
Decontamination Planning
(cont.)
• Chemical removal techniques
Dissolving
Surfactants
Neutralization
Oxidation
Solidification
Disinfection/sterilization
HazMat Technician Mod 1 Unit 7 Slide 11
Decontamination Planning
(cont.)
•
•
•
•
•
•
•
Implementation
Location
PPE
Procedures
Equipment decon
Decon solutions
Processes
 Wet
 Dry
HazMat Technician Mod 1 Unit 7 Slide 12
Decontamination Planning
(cont.)
• Decon effectiveness
Visual
Monitor devices
Ultraviolet light
Wipe sampling
Chemical analysis
HazMat Technician Mod 1 Unit 7 Slide 13
Equipment Decon
HazMat Technician Mod 1 Unit 7 Slide 14
Exercise
Time Allotted:
240 minutes
Equipment needed:
Various types of non-bulk containers
55 gallon drums
Chlorine cylinder
Various types of bulk containers
1 ton cylinder
307/407
312/412
Railcar*
Overpack drums
Chlorine kits A, B, and C
Transfer pumps
Plugging kit
Supplies needed:
Bonding and grounded equipment
Patches and plugs
Full Decon Set-up
Decon checklist
Level B Suit ensembles
Level 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 15
Unit 7 Quiz
HazMat Technician Mod 1 Unit 7 Slide 16
Decon set-up procedures
Decon Checklist
Name of decon tech________________________________________
Names of personnel assigned for decon per the I.C.
______________________ ____________________ _____________________
______________________ ____________________ _____________________
1-5 gal bucket w/soap
3 trashcans w/liners
rolled plastic
2 Decon Decks w/bladders (pools)
2 scrub brushes
w/wands
Manifold
Lights(optional)
Tarp (optional)
(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
2 hoses
duct tape
HazMat Technician Mod 1 Unit 7 Slide 17
Standard Decon Diagram
Entry
HOT ZONE
5 gal bucket w/soap and
water
Lined
trash can
for tool
drop
Manifold
Bladder
Decon deck
Lined
trash
can
1” garden
hose w
wand
1-½ from
engine
pylons
Banner tape
Exit
HazMat Technician Mod 1 Unit 7 Slide 18
Questions?
HazMat Technician Mod 1 Unit 7 Slide 19