ASTM E2952-17 (R2021) pdf free download.Standard Specification for Air-Purifying Respiratory Protective Smoke Escape Devices(RPED).
1.1 This specification covers the minimum requirements for the design. performance, testing. and certification of air- purifying respiratory protective smoke escape devices for Immediate emergency evacuation without entry/re-entry.
1.2 The purpose of this specification shall he to provide minimum requirements for respiratory protective escape devices that provide limited protection for 15 mm for escape from the by-products of fire, including particulate matter, carbon monoxide, other toxic gases, and the effects of radiant heat.
1.3 The requirements of this specification specify an air- purifying respiratory protective escape device with a laboratory-tested 1 5-mm service life intended to provide head. eye, and respiratory protection from particulate matter, irritants, and toxic gases and vapors commonly produced by fire.
1.4 Controlled laboratory tests that are used to determine compliance with the performance requirements of this specification shall not be deemed as establishing performance levels for all situations to which individuals can be exposed.
1.5 This specification shall not apply to the requirements for provision, installation, or use of air-purifying respiratory protective smoke escape devices.
1 .6 This specification shall not apply to respiratory protective escape devices intended for use in circumstances in which an oxygen deficiency (oxygen less than 19.5 % by volume) exists or might exist.
1.7 This specification is not intended to be used as a detailed manufacturing or purchase specification, but shall be permitted to be referenced as a minimum requirement in purchase specifications.
1.8 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
3.1.1 air—purifying respiratory prolectil’e smoke escape
device, RPED, n—air-purifying respirator used to protect a person while escaping from a tIre by removing certain contaminants of fire-generated products of combustion from the inhaled air.
3.1.2 accessoly, n—item that may be provided with an RPED that does not affect its ability to meet the requirements of this specification.
3.1.3 approved, adj—acceptahle to the authority having jurisdiction.
3. 1 .4 authority having jurisdiction, n—organization, office, or individual responsible for approving any equipment, an installation, or a procedure.ASTM E2952 pdf download.