C5 - PPE

PASS

Personal alert safety system

Retroreflective trim

surfaces designed to reflect light, giving the appearance of illumination

particulate

very small particle of solid material, such as dust, that is suspended in the atmosphere

PAPR

powered air purifying respirator

PAPR meaning

respirator that uses a filter to clean surrounding air

Fusee

pyrotechnic flare used in wildland firefighting to start controlled burns

Thermal saturation

point at which a liquid or solid can no longer absorb heat without undergoing a physical change

ASR

atmosphere supplying respirator

ASR meaning

respirator that supplies the user with an air supply from a source independent of the ambient atmosphere

apr

air purifying respirator

apr meaning

respirator that removes contaminants by passing amient air through a filter, cartridge, or canister

oxygen deficient atmosphere

atmosphere containing less than normal 19.5% oxygen. 16% oxygen needed to produce flames or human life

hypoxia

potentially fatal condition caused by lack of oxygen

pulmonary edema

accumulation of fluids in the lungs

HEPA filter

designed to remove at least 99.97% of monodisperce particles of 0.3 micrometers in diametero

open circut SCBA

SCBA that rexycles exhaled air, removes carbon dioxide and restores oxygen. not authorized for firefighting

QLFT

qualitative fit test, irritant smoke

QNFT

quantitative fit test, instruments

CFR

code of federal regulations

remote pressure gauge

pressure gauge not mounted on a regulator visible to the wearer

EOSTI

end of service time indicator

EOSTI meaning

alerts the user when the respiratory protection equipment is about to reach its limit

EEBSS

emergency escape breathing support system

EEBSS meaning

feature on some SCBA that allows two firefighters to breathe from one cylinder

FBARS

firefighter breathing air replenishment systems

FBARS meaning

standpipe for air permanently installed within a high rise building or a large horizontal structure

cascade system

three or more large interconnected air cylinders from which smaller SCBA cylinders are recharged

auto cascade system

automated stationary fill station that fills cylinders to a programmed pressure

supplied air respirator

atmosphere supplying respirator for which the source of breathing air is not carried by user. not authorized for firefighting

PEL

permissible exposure limit

PEL meaning

maximum time weighted concentration at which 95% of exposed healthy adults suffer no adverse effects over a 40 hour work week

search line

non load bearing rope anchored to a safe exterior location