Designation:D6608−12StandardPracticefortheIdentificationofTrinidadLakeAsphaltinAsphaltMixes1ThisstandardisissuedunderthefixeddesignationD6608;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeshallbeusedforthequalitativedetermi-nationofTrinidadLakeAsphaltinTrinidadLakeModifiedAsphaltCementsobtainedfromproductionblendsorrecov-eredbinderfromasphaltpavingmixtures.1.2ThevaluesstatedisSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3ItislimitedtothebindercontentofTrinidadLakeModifiedAsphalt(SpecificationD5710)usedintheconstruc-tionofasphaltpavements.1.4Warning—MercuryhasbeendesignatedbytheUnitedStatesEnvironmentalProtectionAgencyandmanystateagen-ciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableMaterialSafetyDataSheet(MSDS)fordetailsandEPA’swebsite—http://www.epa.gov/mercury/index.htm—foradditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstatemaybeprohibitedbystatelaw.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D140PracticeforSamplingBituminousMaterialsD1856TestMethodforRecoveryofAsphaltFromSolutionbyAbsonMethodD2172TestMethodsforQuantitativeExtractionofBitumenFromBituminousPavingMixturesD5710SpecificationforTrinidadLakeModifiedAsphaltE1SpecificationforASTMLiquid-in-GlassThermometers3.SummaryofTestMethod3.1Apolishedcopperstripisimmersedinagivenquanti...