Designation:D4861−11StandardPracticeforSamplingandSelectionofAnalyticalTechniquesforPesticidesandPolychlorinatedBiphenylsinAir1ThisstandardisissuedunderthefixeddesignationD4861;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthesamplingofairforavarietyofcommonpesticidesandpolychlorinatedbiphenyls(PCBs)andprovidesguidanceontheselectionofappropriateanalyticalmeasurementmethods.Othercompoundssuchaspolychlori-nateddibenzodioxins/furans,polybrominatedbiphenyls,poly-brominateddiphenylethers,polycyclicaromatichydrocarbons,andpolychlorinatednaphthalenesmaybeefficientlycollectedfromairbythispractice,butguidanceontheiranalyticaldeterminationisnotcoveredbythispractice.1.2AcompletelistingofpesticidesandothersemivolatileorganicchemicalsforwhichthispracticehasbeentestedisshowninTable1.1.3Thispracticeisbasedonthecollectionofchemicalsfromairontopolyurethanefoam(PUF)oracombinationofPUFandgranularsorbent.1.4Thispracticeisapplicabletomulticomponentatmospheres,0.001to50-µg/m3concentrations,and4to24-hsamplingperiods.Thelimitofdetectionwilldependonthenatureoftheanalyteandthelengthofthesamplingperiod.1.5Theanalyticalmethod(s)recommendedwilldependonthespecificchemical(s)sought,theconcentrationlevel,andthedegreeofspecificityrequired.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,see10.24andA1.1.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD3686Prac...
