EPA METHOD 8280B Polychlorinated Dibenzo-p-Dioxins and

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1、METHOD8280BPOLYCHLORINATEDDIBENZO-p-DIOXINSANDPOLYCHLORINATEDDIBENZOFURANSBYHIGHRESOLUTIONGASCHROMATOGRAPHY/LOWRESOLUTIONMASSSPECTROMETRY(HRGC/LRMS)1.0SCOPEANDAPPLICATION1.1Thismethodisappropriateforthedetectionandquantitativemeasurementof2,3,7,8-tetrachlori

2、nateddibenzo-p-dioxin(2,3,7,8-TCDD),2,3,7,8-tetrachlorinateddibenzofuran(2,3,7,8-TCDF),andthe2,3,7,8-substitutedpenta-,hexa-,hepta-,andoctachlorinateddibenzo-p-dioxins(PCDDs)anddibenzofurans(PCDFs)(Figure1)inwater(atpart-per-trillionconcentrations),soil,flya

3、sh,andchemicalwastesamples,includingstillbottoms,fueloil,andsludgematrices(atpart-per-billionconcentrations).Thefollowingcompoundscanbedeterminedbythismethod(seeSec.1.4foradiscussionof"total"concentrations).CompoundCASRegistryNo.2,3,7,8-Tetrachlorodibenzo-p-

4、dioxin(TCDD)1746-01-61,2,3,7,8-Pentachlorodibenzo-p-dioxin(PeCDD)40321-76-41,2,3,4,7,8-Hexachlorodibenzo-p-dioxin(HxCDD)39227-28-61,2,3,6,7,8-Hexachlorodibenzo-p-dioxin(HxCDD)57653-85-71,2,3,7,8,9-Hexachlorodibenzo-p-dioxin(HxCDD)19408-74-31,2,3,4,6,7,8-Hept

5、achlorodibenzo-p-dioxin(HpCDD)35822-46-91,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin(OCDD)3268-87-92,3,7,8-Tetrachlorodibenzofuran(TCDF)51207-31-91,2,3,7,8-Pentachlorodibenzofuran(PeCDF)57117-41-62,3,4,7,8-Pentachlorodibenzofuran(PeCDF)57117-31-41,2,3,4,7,8-He

6、xachlorodibenzofuran(HxCDF)70648-26-91,2,3,6,7,8-Hexachlorodibenzofuran(HxCDF)57117-44-91,2,3,7,8,9-Hexachlorodibenzofuran(HxCDF)72918-21-92,3,4,6,7,8-Hexachlorodibenzofuran(HxCDF)60851-34-51,2,3,4,6,7,8-Heptachlorodibenzofuran(HpCDF)67562-39-41,2,3,4,7,8,9-

7、Heptachlorodibenzofuran(HpCDF)55673-89-71,2,3,4,5,6,7,8-Octachlorodibenzofuran(OCDF)39001-02-0TotalTetrachlorodibenzo-p-dioxin(TCDD)41903-57-5TotalPentachlorodibenzo-p-dioxin(PeCDD)36088-22-9TotalHexachlorodibenzo-p-dioxin(HxCDD)34465-46-8TotalHeptachlorodib

8、enzo-p-dioxin(HpCDD)37871-00-4TotalTetrachlorodibenzofuran(TCDF)55722-27-5TotalPentachlorodibenzofuran(PeCDF)30402-15-4TotalHexachlorodibenzofuran(HxCDF)55684-94-1TotalHeptachlorodibenzofuran(Hp