Designation:D97−17bDesignation:15/95StandardTestMethodforPourPointofPetroleumProducts1ThisstandardisissuedunderthefixeddesignationD97;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversandisintendedforuseonanypetroleumproduct.2Aproceduresuitableforblackspecimens,cylinderstock,andnondistillatefueloilisdescribedin8.8.ThecloudpointprocedureformerlypartofthistestmethodnowappearsasTestMethodD2500.1.2CurrentlythereisnoASTMtestmethodforautomatedTestMethodD97pourpointmeasurements.1.3SeveralASTMtestmethodsofferingalternativeproce-duresfordeterminingpourpointsusingautomaticapparatusareavailable.NoneofthemsharethesamedesignationnumberasTestMethodD97.Whenanautomaticinstrumentisused,theASTMtestmethoddesignationnumberspecifictothetechniqueshallbereportedwiththeresults.AprocedurefortestingthepourpointofcrudeoilsisdescribedinTestMethodD5853.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5WARNING—Mercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductMa-terialSafetyDataSheet(MSDS)fordetailsandEPA’swebsite—http://www.epa.gov/mercury/faq.htm—foraddi-tionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstateorcountrymaybeprohibitedbylaw.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimita...