ASTM F2704-17a Standard Specification for Air-Fed Protective Ensembles.pdf
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1、Designation: F2704 17aStandard Specification forAir-Fed Protective Ensembles1This standard is issued under the fixed designation F2704; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenthe
2、ses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification establishes design, performance,classification, documentation, labeling, and certification re-quirements for protective ensembles that
3、 deliver air to thewearer by means of an air line or powered air purifyingrespirator (PAPR).1.2 As a prerequisite to this specification, regulations withinTitle 42 Federal Code of Regulations, Part 84 are used toestablish the conformance of the air-fed protective ensemble torespiratory protection re
4、quirements.1.3 This specification addresses protective ensembles usedfor environments involving chemical, biological, andradiological/nuclear particulate hazards.1.4 This specification sets specific criteria for air-fed pro-tective ensembles used to prevent exposure to substances suchas, but not lim
5、ited to, chemical hazards, infectious microor-ganisms requiring Biosafety Level 4 (BLS4) protection, andenvironments where it is possible radiological or nuclearparticulates will be found.1.5 This specification is further used for classification of theprotective ensemble as limited use or multiple u
6、se.1.6 The values stated in SI units or in other units shall beregarded separately as standard. The values stated in eachsystem must be used independently of the other, withoutcombining values in any way.1.7 This standard does not purport to address all of thesafety concerns, if any, associated with
7、 its use. It is theresponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accor-dance with internationally recognized pr
8、inciples on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D751 Test Methods for Coated
9、FabricsD1776 Practice for Conditioning and Testing TextilesD2582 Test Method for Puncture-Propagation Tear Resis-tance of Plastic Film and Thin SheetingD3787 Test Method for Bursting Strength of TextilesConstant-Rate-of-Traverse (CRT) Ball Burst TestD3884 Guide for Abrasion Resistance of Textile Fab
10、rics(Rotary Platform, Double-Head Method)D4157 Test Method for Abrasion Resistance of TextileFabrics (Oscillatory Cylinder Method)D5034 Test Method for Breaking Strength and Elongation ofTextile Fabrics (Grab Test)D5151 Test Method for Detection of Holes in MedicalGlovesD5587 Test Method for Tearing
11、 Strength of Fabrics byTrapezoid ProcedureF392 Test Method for Flex Durability of Flexible BarrierMaterialsF739 Test Method for Permeation of Liquids and Gasesthrough Protective Clothing Materials under Conditions ofContinuous ContactF903 Test Method for Resistance of Materials Used inProtective Clo
12、thing to Penetration by LiquidsF1052 Test Method for Pressure Testing Vapor ProtectiveSuitsF1154 Practices for Qualitatively Evaluating the Comfort,Fit, Function, and Durability of Protective Ensembles andEnsemble ComponentsF1342 Test Method for Protective Clothing Material Resis-tance to PunctureF1
13、359 Test Method for Liquid Penetration Resistance ofProtective Clothing or Protective Ensembles Under aShower Spray While on a Mannequin1This specification is under the jurisdiction of ASTM Committee F23 onPersonal Protective Clothing and Equipment and is the direct responsibility ofSubcommittee F23
14、.30 on Chemicals.Current edition approved Nov. 1, 2017. Published November 2017. Originallyapproved in 2010. Last previous edition approved in 2017 as F2704 17.DOI:10.1520/F2704-17A.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.o
15、rg. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with inter
16、nationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1F1494 Terminology Relating to Protective Clothin
17、gF1671 Test Method for Resistance of Materials Used inProtective Clothing to Penetration by Blood-Borne Patho-gens Using Phi-X174 Bacteriophage Penetration as a TestSystemF1790 Test Method for Measuring Cut Resistance of Mate-rials Used in Protective Clothing with CPP Test Equip-mentF2010 Test Metho
18、d for Evaluation of Glove Effects onWearer Hand Dexterity Using a Modified Pegboard TestF2061 Practice for Chemical Protective Clothing: Wearing,Care, and Maintenance InstructionsF2413 Specification for Performance Requirements for Pro-tective (Safety) Toe Cap FootwearF2913 Test Method for Measuring
19、 the Coefficient of Frictionfor Evaluation of Slip Performance of Footwear and TestSurfaces/Flooring Using a Whole Shoe TesterF3050 Guide for Conformity Assessment of Personal Pro-tective Clothing and Equipment2.2 Federal Standards:342 CFR Part 84 Approval of Respiratory Protective Devices2.3 ISO St
20、andards:4ISO 4649:2010 Rubber, Vulcanized or Thermoplastic De-termination of Abrasion Resistance Using a RotatingCylindrical Drum Device2.4 NFPA Standards:5NFPA 1991:2016 Standard on Vapor-Protective Ensemblesfor Hazardous Materials Emergencies and CBRN Terror-ism IncidentsNFPA1994:2018 Standard on
21、Protective Ensembles for FirstResponders to Hazardous Materials Emergencies andCBRN Terrorism Incidents3. Terminology3.1 Definitions:3.1.1 airborne pathogen, nan infectious bacterium orvirus, or other disease-inducing microbe that is suspended inair.3.1.2 air-fed protective ensemble, na protective e
22、nsemblewith respiratory protective equipment that provides a source ofair directly into the ensemble without the use of a tight-fittingfacepiece worn by the individual inside the ensemble.3.1.2.1 DiscussionThe respiratory protective equipment iseither an air line that is connected to the suit wall o
23、f theensemble that can include a distribution means inside theensemble, or a powered air-purifying respirator that is con-nected to the suit wall and that can also have a means fordistributing air inside the ensemble.3.1.3 approved, vacceptable to the authority having juris-diction.3.1.4 authority h
24、aving jurisdiction, nan organization,office, or individual responsible for enforcing the requirementsof a code or standard, or for approving equipment, materials,an installation, or a procedure.3.1.5 barrier material, nthe layer of a protective clothingitem that is designated as providing permeation
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