Mass Decon
The purpose of mass decon is to remove the contaminant from skin and clothing, and also to: (409)
reduce further spread of contamination and exposure.
What type of PPE is often used for responders conducting technical decontamination? (419 - 420)
An ensemble classified at the same level or one level below the entry team
Solidification, neutralization, and sterilization are examples of which types of decon methods? (426)
Chemical
Flammable and combustible liquids are typically lighter than water and, if so, will: (498)
float on water
What type of product control method is often used on shallow liquid spills? (506)
Adsorption/Absorption
To determine the correct mass decon procedures, responders must be familiar with: (410)
SOPs
Scraping, brushing, and absorption are _____ methods of physical decontamination. (420)
Dry
Which method of technical decontamination involves the interaction of a hazardous liquid and a solid sorbent surface? (426)
Adsorption
Containment is another term for _____ control. (498)
leak
What type of dam is most appropriate to build if the hazardous material has a density greater than one? (509)
Overflow
What type of PPE is initially worn during mass decontamination procedures until more information about the hazardous material is gathered? (410)
Structural fire fighting PPE and SCBA
Which physical technical decontamination method uses the process of holding a contaminated liquid within another material? (422)
Absorption
Which method of technical decontamination kills all microorganisms present? (427)
Sterilization
Where are emergency shutoff devices on cargo tank trucks usually located? (499)
Behind the driver's side cab
When is dilution frequently used at hazmat incidents? (511)
Decontamination operations
What method is usually the most effective to use for mass decon operations?
Dilution
Once a chemical or contaminant has been removed from a person, ideally it should be: (422)
contained for disposal.
Which method of technical decontamination changes the pH of a corrosive, raising or lowering it towards 7 on the pH scale? (427)
Neutralization
What type of container indicates an emergency shutoff device with a metal cable running down one side of the frame rail of the container or from the liquid valve to a fixed point away from the container? (501)
Intermodal container
What product is often used for controlling vapors of flammable and combustible liquid spills? (513)
Class B foams
Implementing mass decon at hazmat incidents is often extremely confusing and chaotic; one way to combat this is to: (412)
provide specific, easily understood directions.
What is an advantage of dry methods of technical decontamination? (422)
Large amounts of contaminated liquid runoff are not created
The decontamination site needs to be _____ of the hot zone to protect response personnel from contamination. (427)
upwind
Where will you find the emergency shutoff device for high pressure tanks (MC-331)? (499)
Left-front corner of the tank (behind the driver)
Which foam application method is typically used on a pool of ignited or unignited liquid fuel on open ground? (522)
Roll-on