Ohio Hazmat WMD Technician Module 1 Unit 7

Ohio Hazmat & WMD Technician Module 1 Unit 7 Decontamination Procedures 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. 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 3

Decontamination Procedures • Emergency Decon ØHydrant caps 4

Decontamination Procedures (cont. ) • Mass Casualty Decon ØHoseline ØEngine or Ladder corridors ØTents and trailers 5

Decontamination Procedures (cont. ) • Hospital Decon 6

Technical Decon • Purpose of decon • Contamination Prevention ØMinimize contact ØRemote procedures ØProtective covers ØDisposable clothing ØLimit contact ØCover contaminants 7

Decontamination Planning • Types of contamination ØSurface ØPermeated • Factors affecting Contamination ØContact time ØConcentration ØTemperature ØPhysical state 8

Decontamination Planning (cont. ) • Methods of Decontamination ØType of contaminant ØAmount ØPPE ØType of contamination ØCharacteristics of the surface 9

Decontamination Planning (cont. ) • Physical removal Techniques ØBrushing ØScraping ØVacuuming ØWashing and rinsing ØHeat or steam cleaning 10

Decontamination Planning (cont. ) • Chemical removal techniques ØDissolving ØSurfactants ØNeutralization ØOxidation ØSolidification ØDisinfection/sterilization 11

Decontamination Planning (cont. ) • • Implementation Location PPE Procedures Equipment decon Decon solutions Processes Ø Wet Ø Dry 12

Decontamination Planning (cont. ) • Decon effectiveness ØVisual ØMonitor devices ØUltraviolet light ØWipe sampling ØChemical analysis 13

Equipment Decon 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. 15

Unit 7 Quiz 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 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 18

Questions? 19