1、Designation:F108408(Reapproved 2013)Standard Guide forSampling Oil/Water Mixtures for Oil Spill RecoveryEquipment1This standard is issued under the fixed designation F1084;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of l
2、ast revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is intended for sampling flowing or station-ary oil/water mixtures.It is intended for use with oil spillrecovery
3、devices either in testing or in documentation of fieldperformance.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is th
4、eresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1796 Test Method for Water and Sediment in Fuel Oils bythe Centrifuge Method(Laborator
5、y Procedure)D4007 Test Method for Water and Sediment in Crude Oil bythe Centrifuge Method(Laboratory Procedure)F625 Practice for Classifying Water Bodies for Spill ControlSystems3.Significance and Use3.1 This guide provides techniques for obtaining represen-tative samples of oil and water mixtures.T
6、his information isnecessary in the calculation of oil recovery efficiency and oilrecovery rates for oil collection devices.3.2 Sampling Stationary MixturesWhen recovered oil/water mixtures are contained within a holding tank and therelative oil content of the recovered fluid is needed,thesampling te
7、chnique is somewhat dependent on the container.Two techniques are outlined in this guide.If the container hasa flat bottom with straight sides perpendicular to the base(ornearly so),either stationary technique can be implemented,with the stratified sampling method preferred.If the containeris irregu
8、lar in either the horizontal or vertical cross section,themixing method is preferred.3.3 Sampling Flowing MixturesTo sample flowing mix-tures containing both oil and water,turbulence is induced,tocreate a homogenous mixture while sampling.The oil contentin the sample taken from the flowing stream ca
9、n then be usedto quantify the performance-rating criterion(see ProcedureSection of Test Method D1796).4.Number of Samples4.1 Take a minimum of four samples under each set ofconditions to average results and store the samples separately.In less ideal sampling conditions,take additional samples.5.Cont
10、ainers5.1 A dry,water-washed glass sample container.6.Labeling6.1 Mark the sample container with the source,type of oil,date and time of sampling,the name of the person taking thesample,and a sample number.Require water and oil-resistantlabeling.If several receiving containers are to be sampled,they
11、must be identified and the samples marked for later coordina-tion.7.Preservation and Storage7.1 The samples do not require special treatment to preservetheir integrity other than ensuring that they remain sealed untilanalyzed.Note date and time of analysis for each sample.8.Procedure8.1 Baseline Dat
12、aThe test fluids may be crude,refined,orsynthetic oils.Record type,specific gravity,viscosity,andtemperature of each oil together with the environmentalconditions(see Practice F625),air temperature,and slickthickness beyond the influence of the recovery equipment foreach test point.1This guide is un
13、der the jurisdiction of ASTM Committee F20 on HazardousSubstances and Oil Spill Response and is the direct responsibility of SubcommitteeF20.12 on Removal.Current edition approved July 1,2013.Published October 2013.Originallyapproved in 1987.Last previous edition approved in 2008 as F1084 08.DOI:10.
14、1520/F1084-08R13.2For 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.Copyright ASTM International,100 Barr Harbor Driv
15、e,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.2 Sampling from a ContainerThis procedure is intendedfor taking a representative sample of collected fluids held in acontainer.When sampling containers,it is advisable to removeas much of the aqueous phase as possible prior to sampling.I
16、fthis is possible,measure and record the volume of waterremoved,which will contain dissolved hydrocarbons,for latercalculation of the relative oil/water composition.The precisionof the measurement will improve with removal of the aqueousphase.8.2.1 Mixing Method:8.2.1.1 Mix the container of stratified oil and water usingany method which will achieve homogeneity during sampling(high-speed propeller,liquid jet,or homogenizing pump).Operate the mixer for a minimum of 5 min.Longer mixingtimes are pr