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Types of Respirators and Cartridges

Air-Purifying Respirator Types
...NOT to be used in conditions which are immediately dangerous to life or health, except SCBA at bottom.

Types of Respirators
and Cartridges

Putting on (Donning)
Your Respirator

Fit Checking Your Respirator

How to Fit Test
Your Respirator

Half Mask Half-Mask, Particulate, Disposable Respirator
NIOSH prefix TC-21C/TC-84A
. Use for dust, pollen, mists, welding fumes and certain pesticides applied in solid form. Range: 10 x PEL*
Dual Cartridge Maintenance-free Dual Cartridge Half-Mask, Disposable Respirator
NIOSH prefix TC-23C.

Use for pesticides or ammonia; no cartridge inventory to maintain. Range: 10 x PEL*
Half Mask Dual Cartridge, Half-Mask Reusable Respirator
NIOSH prefix TC-23C or TC-21C/TC-84A.

Cartridges/filters can be changed to match contaminant. Can be used for protection against pesticides, anhydrous ammonia, acid gases, dust or welding fumes. Range: 10 x PEL*
Full Face Respirator Full-Face Dual Cartridge, Reusable Respirator
NIOSH prefix TC-23C or TC-21C/TC-84A.

Protects face, eyes, nose and respiratory system from irritants and contaminants.  Full-face is more protective than a half-mask. Range: 50 x PEL*
Powered Respirator Powered Air-Purifying Respirator with Helmet
NIOSH prefix TC-23C or TC-21C/TC-84A

Offers breathing comfort from battery-powered fan which pulls air through filters and circulates air throughout helmet. Range: 100 x PEL*
* PEL=Permissible Exposure Level
Note: Cartridges are not interchangeable among brands.
Gas Mask Canister-type Gas Mask
NIOSH prefix TC-14G.
Large canister offers greater protection than standard "TC-23C" dual-cartridge respirators. Also offers eye and face protection.
SCBA SCBA - Supplied Air Respirator
NIOSH prefix TC-13F
.
Self-contained Breathing Apparatus (SCBA) is used for entry and escape from all atmospheres that are Immediately Dangerous to Life and Health (IDLH) or oxygen deficient. Breathable air is supplied by cylinder on back of wearer. Applications: silos when silo gas is possible, manure pits, enclosed structures that are fumigated and other confined spaces.

NOTE: Most pesticides are classified as organic vapors and require a particulate filter in addition to an organic vapor cartridge, if sprayed.

*NOTE: 10xPEL, 50xPEL, etc., refer to the assigned protection factors (APF) of the respirators. A respirator with an APF of 10 (10xPEL) that is properly selected, fitted and worn will protect the employee from exposure levels up to 10 times the permissible exposure level (PEL), which is the exposure level deemed to be dangerous by the Occupational Safety and Health Administration.

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