EPA Method 505 Analysis of Organohalide Pesticides

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1、METHOD505ANALYSISOFORGANOHALIDEPESTICIDESANDCOMMERCIALPOLYCHLORINATEDBIPHENYL(PCB)PRODUCTSINWATERBYMICROEXTRACTIONANDGASCHROMATOGRAPHYRevision2.1EditedbyJ.W.Munch(1995)T.W.Winfield-Method505,Revision1.0(1986)T.W.Winfield-Method505,Revision2.0(1989)NA

2、TIONALEXPOSURERESEARCHLABORATORYOFFICEOFRESEARCHANDDEVELOPMENTU.S.ENVIRONMENTALPROTECTIONAGENCYCINCINNATI,OHIO45268505-1METHOD505ANALYSISOFORGANOHALIDEPESTICIDESANDCOMMERCIALPOLYCHLORINATEDBIPHENYL(PCB)PRODUCTSINWATERBYMICROEXTRACTIONANDGASCHROMATOGR

3、APHY1.0SCOPEANDAPPLICATION1,2,31.1Thismethodisapplicabletothedeterminationofthefollowinganalytesinfinisheddrinkingwater,drinkingwaterduringintermediatestagesoftreatment,andtherawsourcewater:ChemicalAbstractServicesAnalyteRegistryNumberAlachlor15972-6

4、0-8Aldrin309-00-2Atrazine1912-24-9Chlordane57-74-9alpha-Chlorodane5103-71-9gamma-Chlorodane5103-74-2Dieldrin60-57-1Endrin72-20-8Heptachlor76-44-8HeptachlorEpoxide1024-57-3Hexachlorobenzene118-74-1Hexachlorocyclopentadiene77-74-4Lindane58-89-9Methoxyc

5、hlor72-43-5cis-Nonachlor5103-73-1trans-Nonachlor39765-80-5Simazine122-34-9Toxaphene8001-35-2Aroclor101612674-11-2Aroclor122111104-28-2Aroclor123211141-16-5Aroclor124253469-21-9Aroclor124812672-29-6Aroclor125411097-69-1Aroclor126011096-82-51.2Theanaly

6、stmustdemonstratetheapplicabilityofthemethodbycollecting4precisionandaccuracydataonfortifiedsamples(i.e.,groundwater,tapwater)andprovidequalitativeconfirmationofresultsbyGasChromatography/Mass5Spectrometry(GC/MS),orbyGCanalysisusingdissimilarcolumns.

7、505-261.3Methoddetectionlimits(MDL)fortheaboveorganohalidesandAroclorshavebeenexperimentallydetermined(Section13.2).Actualdetectionlimitsarehighlydependentuponthecharacteristicsofthegaschromatographicsystemused(e.g.,columntype,age,andproperconditioni

8、ng;detectorcondition;andinjectormodeandcondition).1.4ThismethodisrestrictedtousebyorunderthesupervisionofanalystsexperiencedintheuseofGCandintheinterpretationofgaschromatograms.Eachanalystmustdemonstratetheabilitytogenerateacceptableresultswiththisme