Flashcards in IFSTA(5th)-Chapter 5 Deck (80):
refers to all clothing and equipment used for FF protection.
personal protective ensemble.
Full PPE for structural FF include
(per NFPA 1971)
PPE required by NFPA 1500 include
According to NFPA 1581, protective clothing that has been retired may only be used for ____
training that does not involve fire.
FFs should wear eye protection that meets ______
ANSI Std. Z87.1
Practice for occupational and Educational Eye and Face Protection
Protective Coats have 3 layers
Structural PPE provides ____ CBRNE protection
drag rescue device.
built-in harness and loop at the back of the neck.
Std. on PPE for Wildland FF
FF should never wear clothing made of ______, such as ______ , when fighting a fire.
polyester and nylon
Std. on Station/Work Uniforms
According to NFPA 1975, no garment components will ignite, melt, drip, or separate when exposed to ______ heat for ____ minutes.
500 degree F
Do not dry PPEs in direct sunlight. _______ can degrade the fabric and reduce its protection.
Std. on FD Infection Control Program
any atmosphere that poses an immediate hazard to life or produces immediate, irreversible, debilitating effects on health.
4 common respiratory hazards associated with fire and other energencies
smoke(products of combustion)
6 places where it might be o2 deficient
chemical storage tanks
other confined spaces
where CO2 has been discharged
Physiological Effects of O2 %
21 - none(normal O2 %)
17 - some loss of muscular coordination/increase in RR
12 - dizziness/headache/rapid fatigue
9 - unconsciousness
6 - death within a few minutes
Inhaling heated gases can cause _____ . the tissue damage is ______ and prompt _______ is needed.
pulmonary edema (due to serious decrease in BP and failure if the circulatory system)
not immediately reversible
4 factors that affect the type and amount of toxic gases released at a fire
nature of the combustible
rate of heating
temp. of the evolved gases
Pocket Guide to Chemical Hazards
produced by NIOSH
lists IDLH concentrations of common fire gases
Which gas causes more fireground deaths than any other toxic product of combustion?
The more inefficient the burning, the _____ the quantity of CO
IDLH at 40000ppm
IDLH at 1200ppm
HCl - hydrogen chloride
colorless to slightly yellow
IDLH at 50ppm
colorless/bitter almond odor
IDLH at 50ppm
burning of wool/nylon/polyurethane foam/rubber
reddish brown/acrid odor
IDLH at 20ppm
grain bins/silos/pyroxylin plastics decomposing
colorless/odor of musty hay
IDLH at 2ppm
when refrigerants contact flame
generally, the _____ the smoke, the higher the CO levels
It takes _____ for COHb to dissipate from the bloodstream.
hemoglobin saturated with CO
the most important element in immediate care for CO poisoning is _______
3 toxic refrigerants
dept. of transportation
any substance which may pose an unreasonable risk to health and safety of operating or emergency personnel, the public, and/or the environment if it is not properly controlled during handling, storage, manufacture, processing, packaging, use, disposal, and transportation.
living micro-organism that can cause human disease.
Both NFPA 1500 and 29 CFR 1910.134 allow FF to wear ______ while using SCBA if the FF has demonstrated at least 6 months of use without any problems.
soft contact lenses
6 limitations to SCBA air supply
physical condition of user
degree of exertion
condition of SCBA
initial pressure of SCBA
training/experience of user
low air pressure alarms normally activate at _____ % of full pressure.
25(about 5 minutes air supply)
Point of no return
when your first FF reaches 50% air supply
also known as filter masks.
some have canisters or cartridges.
must b certified for the specific hazard they are used to protect against.
uses compressed air
exhaled air is vented outside
uses compressed O2
exhaled air remains within the system and is re-used.
mine safety and health administration
(SCBA)During inhalation, a pressure differential is created. the diaphragm moves inward allowing low-pressure air into the mask. the diaphragm is held open by ______ . Exhalation closes the diaphragm.
Remote pressure gauges should be within ______ of the main cylinder gauge.
SCBAs should be at least ____ filled.
Std. on Open-Circuit SCBA for Emergency Services
rapid intervention crew/ universal air connection
must be on all new SCBAs
heads up display
displays cylinder pressure
required on all new SCBA
emergency breathing support system
5-10 minute emergency egress cylinder
part of SAR systems
SAR systems enable FF to travel up to _____ .
Closed-Circuit SCBA are available in durations of _____ and usually weigh ____ than open-circuit SCBAs because of their ______ .
30 minutes to 4 hr
national institute of standards and technology
According to NIST, PASS devices may have a significantly reduced alarm signal at temps as low as _____ .
300 degrees F
Retrain ____ a year with PASS devices.
Std. on FS Respiratory Protection Training
Positive pressure can be checked by ______ .
placing two fingers under the mask seal and feeling for air moving past your fingers
uses water under pressure to check the integrity of pressure containers.
Air cylinders must have the _____ stamped on them and they must be hydrostatically tested every _____ .
date of manufacture
5 years for steel or aluminum
3 years for composite
SCBA are required to be inspected ______
weekly/monthly/annually/after each use
3 safety precautions for filling SCBA cylinders
place in a shielded fill station
fill slowly to prevent overheating
completely fill but don't over pressurize
series of at least 3, 300 cubic foot cylinders used to fill SCBAs
3 conditions that must be met to allow SCBA(with RIC/UACs) refilling on a FF's back
NIOSH approved fill options are used.
procedures in place to limit personnel exposure and provide adequate inspection and member safety.
imminent life threatening situation requiring immediate action.
all FF certified to wear SCBA must be fit tested ______ .
In an IDLH atmosphere, FF must remain in _______ in addition to radio contact.
physical, voice, or visual contact
If necessary to use the bypass valve, u must ______ .
intermittently open and close the bypass valve to allow air into the mask.
Follow the ______ of the hose line to exit.
personnel accountability report
roll call of all personnel assigned to an incident. the supervisor of each unit reports the status of his personnel to the IC.
11 things to do if lost or disoriented in a burning structure
declare a mayday.
activate your PASS.
stop, relax, slow breathing, think.
hold breath and listen.
follow hose line if possible.
crawl in a straight line.
make all the same turns.
call for directions, call out, make noise.
break window/breach wall.
if nearing unconsciousness, remain near a wall and aim flashlight toward ceiling.
use rope if possible.
non load-bearing rope attached to an object/person to help steer it or act as a safety line.
waterproof cover used to protect furniture and building areas from heat, smoke, and water. can be used for ground cover to place equipment.
When should FF check their air supply?
at beginning of shift
when donning, prior to entry into IDLH
while working every 5-10 min
during egress every 2-3 min
when refilling cylinder
when replacing cylinder
8 guidelines for helmet care
remove dirt/soot from shell.
remove chemicals/oils/petroleum products ASAP.
replace helmets that do not fit.
replace damaged helmets.
replace damaged face shields.
inspect suspension systems.
consult manufacturer if needs repainting.
remove from service if comes in contact with hydraulic oil.
4 SCBA assemblies
5 checks before donning SCBA
air supply (90%).
gauges within 100psi.
fully extended straps.
operate all valves to ensure proper function and that they are in the correct position.
5 pre-donning checks plus these 3 more checks for daily/weekly inspections include ______ .
check all hose connections
check face piece
check low pressure alarm
Always bleed lines before disconnecting because it might cause ______ if forgotten.