Designation:C1798/C1798M−16´1StandardSpecificationforReturnedFreshConcreteforUseinaNewBatchofReady-MixedConcrete1ThisstandardisissuedunderthefixeddesignationC1798/C1798M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—ThedesignationwaseditoriallycorrectedtomatchtheunitsofmeasurementstatementinOctober2016.1.Scope1.1Thisspecificationcoversreturnedfreshconcreteforuseinanewbatchofready-mixedconcrete.Requirementsforreturnedfreshconcreteshallbeeitherashereinafterspecifiedorasspecifiedbythepurchaser.Inanycasewheretherequirementsofthepurchaserdifferfromthoseinthisspecification,thepurchaser’srequirementsshallgovern.Thisspecificationdoesnotcovertheplacement,consolidation,curing,orprotectionoftheconcreteafterdeliverytothepurchaser.1.2Thisspecificationbyitselfshallnotgrantpermissiontothemanufacturertousereturnedfreshconcreteinanewbatchofconcrete.NOTE1—Thepermissiontousereturnedfreshconcretemaybeaddressedinpurchasedocuments,whichmayreferencethisspecification.1.3Returnedfreshconcreteinaquantityoflessthan450kg[1000lb]or0.2m3[0.25yd3]shallnotbesubjecttothisspecification.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.5Thetextofthisstandardreferencesnotesandfootnotes,whichprovideexplanatoryinformation.Thesenotesandfoot-notesshallnotbeconsideredasrequirementsofthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(Warning—Freshhydrauliccementitiousmi...
