1、Designation:E254208(Reapproved 2014)Standard Specification forPortable Water Heaters Used at Personnel DecontaminationStations1This standard is issued under the fixed designation E2542;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,
2、the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification is used to standardize the portablewater heaters used on personnel decontamination lines toi
3、nsure the heaters provide sufficient heated water for as long asthey are needed during the emergency.NOTE1These heaters are not intended to be used for the decontami-nation for any other surface or material.Also,these heaters are intendedto be portable and easy to use by first responders during a ch
4、emical,biological,radiological,nuclear,and explosive(CBRNE)event.1.2 This specification contains a specification section and atest methods section so users need to refer to the sectionapplicable to their needs when using this standard specifica-tion.1.3 The values stated in SI units are to be regard
5、ed asstandard.The values given in parentheses are for informationonly.NOTE2The U.S.first responder personnel using the equipmentmanufactured under this standard are not likely to be familiar with SI unitsso English units need to be included as part of the system documentationand shown on control pan
6、els for any equipment sold to U.S.organizations.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regula
7、tory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D3195 Practice for Rotameter CalibrationE11 Specification for Woven Wire Test Sieve Cloth and TestSieves2.2 ASME Standards:3Boiler and Pressure Vessel CodeMFC-3M Measurement of Fluid Flow in Pipes UsingOrifice,Nozzle,and Venturi
8、2.3 NFPA Standard:4NFPA 70 National Electrical Code2.4 NIST Standard:5Recommended Practice Guide Special Publication 960-12 Stopwatch and Timer Calibrations3.Terminology3.1 Definitions:3.1.1 decontamination,nprocess of reducing or eliminat-ing the hazards associated with chemical,biological,or radio
9、-logical contamination.3.1.1.1 DiscussionThemeansofdecontaminatingpersonnel,equipment,orareasincludeabsorption,neutralization,weathering,and physical removal of the con-taminant and hazards associated with nuclear,biological,orchemical(NBC)agents.4.Classification4.1 There will be no attempt to class
10、ify into categories thedifferent types of portable water heaters that can fall under thisspecification since this specification will only address theminimum requirements these heaters must satisfy.5.Ordering Information5.1 Personnel ordering portable water heaters using thisspecification as a basis
11、for their order should be aware that thisspecification is the minimum requirement for these types ofdevices and any needs beyond these minimum requirementsshall be stated in the request for quote.1This specification is under the jurisdiction of ASTM Committee E54 onHomeland Security Applications and
12、 is the direct responsibility of SubcommitteeE54.03 on Decontamination.Current edition approved June 1,2014.Published June 2014.Originallyapproved in 2008.Last previous edition approved in 2008 as E2542 08.DOI:10.1520/E2542-08R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orc
13、ontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:
14、/www.asme.org.4Available from National Fire Protection Association(NFPA),1 BatterymarchPark,Quincy,MA 02169-7471,http:/www.nfpa.org.5Available from National Institute of Standards and Technology(NIST),100Bureau Dr.,Stop 1070,Gaithersburg,MD 20899-1070,http:/www.nist.gov.Copyright ASTM International,
15、100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Materials and Manufacture6.1 The hot water tanks of the portable water heaterspurchased under this specification shall conform to the require-ments of the current version of the ASME Boiler and PressureVessel Code.7.M
16、echanical Properties7.1 The heater materials of construction shall be easilycleaned of surface mud and grime with no degradation of theunits ability to perform its function.7.2 The preferred fuels for the heater section of the portablewater heater are diesel fuel,gasoline,or bottled propane gas.Ifelectricity is used,the circuit shall be no more than 120 V,30A,single phase,and shall conform to NFPA 70 for outdoorusage.8.Performance Requirements8.1 Using the input flows shown in Table 1,a continuo
