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AQs on Respirator
IDENTIFY THE HAZARD 44
FAQs on Respiratory Protectionrotection
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y P
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How to choose the appropriate
How to choose the appropriate RPDRPD Steps ps
for for
Selection Selection
IDENTIFY THE HAZARD
45&1 145&1 1 Oxygen deficiencyOxygen deficiency of RPDof RPD
Particulate matterarticulate matter
P
Gas, odour & vapourGas, odour & vapour
Combination of particulate & gasCombination of particulate & gas
45&1 245&1 2 ASSESS THE HAZARDHAZARD
AS
SES
S

THE

Area of work - open, ventilated area, closed, air conditioned or exhaustArea of work - open, ventilated area, closed, air conditioned or exhaust
Presently used productresently used product
P
F
Facial contouracial contour
Physical propertiesPhysical properties
Chemical propertiesChemical properties
SELECT

SELECT APPROPRIATE EQUIPMENTEQUIPMENT
TE
APPROPRIA
45&1 345&1 3 Selection parametersSelection parameters
Identif
Identifying characteristics of contaminant ying characteristics of contaminant
Protection and filter efficiency rotection and filter efficiency
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Good wearer comfort & low breathing resistance Good wearer comfort & low breathing resistance
Man-hours worked & optimum protection with aid of Nominal Protection Factorrotection Factor
Man-hours worked & optimum protection with aid of Nominal P
USE
TR

FOR

AIN
THE
TRAIN FOR THE USE OF RPDOF RPD

45&1 445&1 4
Training to use RPDraining to use RPD
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User Selection Guide RespiratorUser Selection Guide Respirator
Basic TypeBasic Type Category Category CommentsComments
FFR FFR For various types of respirable particulates such as dust, fibres, For various types of respirable particulates such as dust, fibres,
mist and fumes, some are fitted with exhalation valves to make mist and fumes, some are fitted with exhalation valves to make
Filtering Facepiece Respiratorsacepiece Respirators breathing easierbreathing easier
Filtering F
HFM & RF HFM & RF
Re-usable Half Face Mask & Reusable filters ace Mask & Reusable filters For various types of particulates or vapours and gases depending For various types of particulates or vapours and gases depending
Re-usable Half F
on fitted chemical filter
Filtering devices dependentFiltering devices dependent on fitted chemical filter. Some have combination filters. Some have combination filters
In Low-1, Medium-2, High-3 efficiency or capacityIn Low-1, Medium-2, High-3 efficiency or capacity
on ambient atmosphere on ambient atmosphere
FFM & RF FFM & RF
Re-usable Full face mask & Reusable filtersull face mask & Reusable filters As above, but incorporates visor for face protectionAs above, but incorporates visor for face protection
Re-usable F
In Low-1, Medium-2, High-3 efficiency or capacity In Low-1, Medium-2, High-3 efficiency or capacity
PAPR PAPR
Type of headpiece and the filter determines the protection offeredype of headpiece and the filter determines the protection offered
Powered air purifying respirator with head piece. ying respirator with head piece. T
owered air purif
P
Positive pressure respiratorositive pressure respirator
P
Breathing Apparatus (BA) Breathing Apparatus (BA) SA SA For all contaminants For all contaminants
supplying breathable air. supplying breathable air. Supplied Air constant flow airline Supplied Air constant flow airline Usually uses a full face mask/hood with long hoseUsually uses a full face mask/hood with long hose
Continuous supply of air from a compressorContinuous supply of air from a compressor
Breathing ApparatusBreathing Apparatus
Positive pressure respirator. ositive pressure respirator.
P
Independent of ambient Independent of ambient SCBA SCBA For all contaminantsFor all contaminants
atmosphere.atmosphere. Usually full face mask has a demand valve arrangementUsually full face mask has a demand valve arrangement
Self Contained
Self Contained Breathing ApparatusBreathing Apparatus Compressed air supply is carried in cylinder on the wearer's back Compressed air supply is carried in cylinder on the wearer's back
Could be open or close circuitCould be open or close circuit Sometimes worn inside a gas-tight suitSometimes worn inside a gas-tight suit
Types of Respiratorsypes of Respirators
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FFR FFR HFM HFM FFM FFM PAPR PAPR SA SA SCBA SCBA
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