ASTM_E_2771_-_11e1.pdf

Designation:E2771111Standard Terminology forHomeland Security Applications1This standard is issued under the fixed designation E2771;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 parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEEditorially transferred terms in January 2014.1.Scope1.1 This terminology provides definitions and abbreviationsof terms used in ASTM International standards pertaining tohomeland security applications.2.Referenced Documents2.1 ASTM Standards:2D638 Test Method for Tensile Properties of PlasticsD747 Test Method for Apparent Bending Modulus of Plas-tics by Means of a Cantilever BeamD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD882 Test Method for Tensile Properties of Thin PlasticSheetingD883 Terminology Relating to PlasticsE2411 Specification for Chemical Warfare Vapor Detector(CWVD)E2639 Test Method for Blast Resistance of Trash Recep-taclesE2740 Specification for Trash Receptacles Subjected toBlast Resistance TestingE2831 Guide for Deployment of Blast Resistant Trash Re-ceptacles in Crowded Places2.2 Government Standards:DOD 4145.26 M Department of Defense:DOD ContractorsSafety Manual for Ammunition and Explosives33.Significance and Use3.1 In this terminology,definitions used in other ASTMInternational standards are indicated by following the defini-tion with the designation of the subcommittee responsible forthat standard.4.Terminology4.1 Definitions:add-on,nin sensors and detectors for homeland securityapplications,any additional parts that provide tailoring of apersonal detectors functionality for specific applications.E2411alias,na false low-frequency component that appears whenreconstructing analog data that are sampled at an insufficientrate.E2639bare charge,nexplosive charge that is either not encased oris encased by a material,such as a cardboard tube,that willnot produce primary fragments.E2740blast resistance,nfor purposes of this standard specification,the non-numerical attribute of a trash receptacle that isestablished when the results of explosive testing of thesubmitted specimens meet all performance requirementsgiven in this specification.E2740,E2831blast resistant trash receptacle,na trash receptacle thatconforms to the requirements given in Specification E2411.E2831crowded places,npublic areas where groups of people mayconcentrate for a continuous or limited period of time.DISCUSSIONExamples of public areas that may be crowded include:(1)buildings and related structures such as parkinggarages,including their access and egress points,(2)entertainment and event venues,(3)transportation terminals such as airports,train stations,and other public transportation stations,1This terminology is under the jurisdiction of ASTM Committee E54 onHomeland Security Applications and is the direct responsibility of SubcommitteeE54.92 on Terminology.Current edition approved Dec.15,2011.Published January 2012.DOI:10.1520/E2771-11E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact 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 the Defense Technical Information Center,8725 John J.Kingman Road,Suite 0944,Ft.Belvoir,VA 23060-6128.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1(4)ticket counters,concession stands,retail stores,anddining establishments,and(5)pedestrian walkways,sidewalks,streets,alleys,parks,plazas,playgrounds,schoolyards or other similar areas.E2831detonation,n(1)a violent chemical reaction within a chemi-cal compound or mechanical mixture resulting in heat andpressure;(2)a reaction that proceeds through the reactedmaterial toward the unreacted material at a supersonicvelocity.DISCUSSIONThe result of the chemical reaction is exertion ofextremely high pressure on the surrounding medium forming a propa-gating shock wave that is originally of supersonic velocity.DOD4145.26 Mexplosion,na chemical reaction of any chemical compound(or mechanical mixture)that,when initiated,undergoes avery rapid combustion or decomposition releasing largevolumes of highly heated gases that exert pressure on thesurrounding medium.DOD 4145.26 Mexplosive,nany chemical compound(or mechanical mix-ture)that,when subjected to heat,impact,friction,detonation,or other suitable initiation,undergoes a veryrapid chemical change with the evolution of large volumesof highly heated gases that exert pressures in the surroundingmedium.DOD 4145.26 Mfireball,na highly luminous,intensely hot cloud of dust,gas,and or vapor generated by an explosion.E2639,E2831force protection,nnumerical level of blast resistance of atrash receptacle ex