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National Urban Search & Rescue Response SystemNational Urban Search & Rescue Response System
Weapons of Mass Destruction
Module 4: Standardized Decontamination Procedures
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Enhanced Operations
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Overview Time consuming Personnel and equipment intensive For US&R personnel and rescued
victims or as directed Least amount of evidence destroyed Decon equipment provided to TFs is
based on mission requirement
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ObjectiveStudents will setup and operate a decontamination corridor
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Decontamination Haz Mat Specialist will normally have
oversight of decon operations Get “clean” patients to the hospital Verify with instrumentation Protect the integrity of the hospital Protect TF members
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Decontamination
Prompt, safe, and effective decontamination protects against and
reduces effects of exposure.
Believe it or not, you have a role in this.
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Working definition of Decontamination
A chemical and/or physical process to remove and prevent the spread of a contaminant from an emergency scene because of the contaminant’s ability to cause harm to living beings and/or the environment
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Types of Decontamination
Emergency Gross Technical
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Emergency Decontamination
Fire Hose near point of Entry
Decontamination Foam Distributor
Design system per the mission
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Gross Decontamination Remove clothing
Cut victim clothing off if needed Better to remove clothing dry if possible Do not remove responder CPC Remove respiratory protection last
Remove contaminates Water Brushes and/or wipes
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Technical Decon TF Four Step process
Gross Wash Wash & Rinse Doffing of CPC & Respiratory Equipment Personal Shower
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Decontamination Situations Obvious contamination with known
substance Suspected contamination with known
substance Any likelihood of exposure to a
hazardous substance Prevent spread of contaminant Environmental protection
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Perform Decon by Priority
TF members and canines who are ill, symptomatic, or have compromised PPE
Rescued victims TF Members and canines with intact PPE
and are asymptomatic
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Basic Decontamination Equipment Buckets and brushes Decon solution and containment berms Dedicated water supply Plastic sheeting and chairs
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Basic Decon Equipment Containment vessel for runoff and
pump waste water Appropriate PPE for decon workers
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Objectives of TF Members Don appropriate level of PPE Properly wear and operate in PPE Establish operating time log Setup and operate decon line Conduct triage Communicate while in PPE
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Decontamination of PPE - TF Members
Rinse, head to foot-Gross Wash Scrub suit with brush, head to foot-
Wash/Rinse Attend to heavily contaminated areas
(hands, feet, front of suit)
Rinse again, head to foot Assist TF member in removing CPC
(Do not reach inside, roll CPC down from outside)
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Decontamination of TF Members If dealing with known contaminate
Perform personal shower Eliminate possibility of contaminating
BoO Ensure safety of Medical Evaluators
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Decontamination Supervisor Responsible for final walkthrough of
corridor Ensures supplies present Addresses runoff containment Safe and efficient operations
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Medical Decon Liaison Responsible for medical QC Observe the need for medical
intervention Liaison with decon supervisor Positioned to observe all leaving hot
zone
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EPA Position on Runoff
The EPA position on runoff states that you can avoid capturing waste if it is a matter of life and death.
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US&R WMD Standardized Decon Scope US&R Decon operations intended to serve:
Task Force Personnel K-9 teams Others as directed Victims extricated by US&R Task Force
Decon Equipment “Basic” decon equipment added to
Task Force Cache
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Standardized Decon Staffing Decon supervised by Haz Mat
Specialist Decon positions filled by any available
personnel All TF members receive basic decon
training Medical Specialist conduct Triage
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Standardized Decon Equipment Added
KD Canopies 10’by 20’
Air space heater Water Heater Generators Tube lighting Work lights
NOTE: Tent and tarp colors may vary
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Standard Decon Equipment Added
Electrical extension cords & water hoses
600-gallon waste bladders
Gross Decon showers Modular Decon Tent
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Additional Decon Equipment Buckets Scrub Brushes Tent tie-down straps or weights Water Supply Soap Plastic sheeting Trash or collection containers
(SCBA’s, CPC)
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Fresh Air Space Heater Portable with wheels and handles Provides breathable heated air -
110,000 btu output, 850 cfm fan Multi-fuel (kerosene, diesel, fuel oil, JP 4/8) 16 hours on 1 tank of fuel
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Water Heater Portable 60°F to 105°F at 1000
gallons per hour (18 gpm) Adjustable thermostat
Fuels - diesel #1/2, JP or kerosene Solid state ignition - ignites when
water flows Onboard pressure reducing valve
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Water Run Off FEMA purchased, collapsible berms Sump Pumps Water Bladders Plastic Sheeting
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Cover with Tents
Use tents for privacy and inclement weather
NOTE: Tents, tarps, and plastic sheeting colors may vary
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Cold Weather UseTents with Sidewalls
Space heater Hot water heater Zippers for
entrance and exit May need a “Party Tent” if weather is
severe to cover the entire corridor IST or Local Jurisdiction Help
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Standardized TF Decon Site Layout Face into the wind, back to hot zone Face upgrade, drain to contaminated zone or
to side Large enough to keep clean from
contamination Place heaters upwind and upgrade to help
avoid contamination Plastic bags on hand to collect personal items
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Decon Setup Diagram
SCBA Drop off and rehab
3-KD Canopies 10’ x 20”
SCBA Rinse Barrels
Gross Decon Showers w/1” inlets & 1 WW Pump
Spill blocker dike
Light Light
DOFF Tent
DOFF Tent
Gross Decon
Decon Tent
Redress Male
Redress Female
Three lane modular scrub and rinse tent
Doff Area
Tube LightsSump Pump
Tube light
Personal Shower
Personal Shower
KD Canopy 10’ x 20”
Donning Tent
Tube light
KD Canopy 10’ x 20”
Medical & Rehab Tent
Tube light
GeneratorWater Source
600 gal Waste
Bladder
Water Heaters
Manifold
Light Light
Generator
Warm Water
Cold Water
ElectricalCold waterWarm waterWaste waterTube lightSump pump
Waste barrel
SCBA decon
Tube light
3 gpm ShowerSump Pump
3 gpm ShowerSump Pump
Tube light
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Decon Solution Soap and water in most cases Sandia Foam may be available Hazmat Specialist can arrange for
other solutions if needed
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US&R WMD Standard Decon Process Step One – Gross Decon (Shower)
Step Two - Wash and Rinse Modular pre-plumbed 3 lane shower
Step Three- Remove Outer Protection Respiratory protection removed last
MONITOR Step Four – Personal Hygiene Shower
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Step 1. Gross Decon Rinse thoroughly in shower
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APR’s and Gross Decon Do not enter Gross Decon unassisted if
you are wearing APR or Canister type Mask
Apply Specific Gross Spray by Decon Assistant
Water will clog filters if subjected to uncontrolled gross wash
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Step 2. Decon Wash and Rinse Scrub clean
(helpers on hand) Person spread
arms and legs, rotate for cleaning
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Step 2. Decon Wash and Rinse Wash top down Medical
Specialists assist with victims
Assistants must decon themselves before they leave corridor
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Decon Tent
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Step 3. Remove Outer Protection Remove CPC; not respirator Place CPC in container for
disposal Prevent cross contamination
Turn CPC inside out as it is removed
Peel CPC off rescuer without touching inside of CPC
Remove respirator after leaving area
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Post Decon Monitoring Personnel/Victims exiting decon
checked with monitoring instruments by Haz Mat Specialists
If contaminants still present after removing CPC, or working in known contaminants, then personal hygiene is high priority
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Step 4. Personal Hygiene May be on or off
site Victims must be
clean before evacuation
Personal hygiene can range from hand washing to showering
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After Decon Water Disposal Contained water, when collected,
should be removed by another agency or contractor
Ask for established policy as per Decon Plan IST EPA
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Post Decon
Medical Evaluation Rehabilitation Reports and exposure logs Haz Mat tracking Medical reports Documentation is Critical
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Summary Decontamination theory Standard plan Provide protection to all Haz Mat Specialist coordinates decon Emergency decon is four steps Decon layout
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Module 4 Activity: Setup and Operate a DECON Corridor
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Activity Layout containment berms Assemble tents and showers Setup and operate water heater Setup and operate space heater Walk through decon process