Designation:C1420–05StandardPracticeforSelection,Removal,andShipmentofManufacturedMasonryUnitsPlacedinUsage1ThisstandardisissuedunderthefixeddesignationC1420;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversprocedurestofacilitatetheprocessofselecting,removing,andshippingofmanufacturedmasonryunitsthathavebeenplacedinusageandareintendedfortesting.Thispracticealsocoversproceduresforreportingaspartofthisprocess.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C43TerminologyofStructuralClayProductsC1180TerminologyofMortarandGroutforUnitMasonryC1209TerminologyofConcreteMasonryUnitsandRe-latedUnitsC1232TerminologyofMasonryC1532PracticeforSelection,Removal,andShipmentofMasonryAssemblageSpecimensfromExistingConstruc-tionE122PracticeforChoiceofSampleSizetoEstimateaMeasureofQualityforaLotorProcess3.Terminology3.1Definitions:3.1.1unitsplacedinusage—manufacturedmasonryunitsthathavebeeninstalledinamasonryassembly.3.1.2Fordefinitionsofothertermsusedinthispractice,refertoTerminologiesC43,C1180,C1209,andC1232.4.SignificanceandUse4.1Manufacturedmasonryunitsthathavebeenplacedinusagearesometimesremovedaspartofanassessmentoftheconditionoftheunits.Suchunitsarecommonlypreparedforshipmenttoalaboratorywherethespecimensareassessedwithvisualtechniques,petrographictechniques,orstandardtestmethods.Theprocessofselecting,removing,andshippingthespecimenscanhaveaneffectontestresults.Thispracticeprovidesproce...