Method 1613 Solids

Tetra- Through Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS


This method is for determination of tetra- through octa-chlorinated dibenzo-p-dioxins (CDDs) and dibenzofurans (CDFs) in water, soil, sediment, sludge, tissue, and other sample matrices by high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS). The method is for use in EPA’s data gathering and monitoring programs associated with the Clean Water Act, the Resource Conservation and Recovery Act, the Comprehensive Environmental Response, Compensation and Liability Act, and the Safe Drinking Water Act. The method is based on a compilation of EPA, industry, commercial laboratory, and academic methods. The seventeen 2,3,7,8-substituted CDDs/CDFs may be determined by this method. Specifications are also provided for separate determination of 2,3,7,8-tetrachloro-dibenzo-p-dioxin (2,3,7,8-TCDD) and 2,3,7,8-tetrachloro-dibenzofuran (2,3,7,8-TCDF).


(EPA: Office of Water)

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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   Up to one year if stored in the dark at < -10 C
Preservatives:   Store in the dark at 0-4°C from collection to receipt at the laboratory.
Required Preps:   Amber glass jars
Collection Method:   Grab sampling
Analytical Methodology:   HRGC/HRMS
Documentation:   1613

Analyte List*

Analyte Formula CAS Number Detection Limit
2,3,7,8-Tetrachloro-dibenzo-p-dioxin
1746-01-6
1
 ng/kg
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
19408-74-3
5
 ng/kg
Octachlorodibenzo-p-dioxin
C12Cl8O2
3268-87-9
10
 ng/kg
1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin
35822-39-4
5
 ng/kg
Octachlorodibenzofuran
39001-02-0
10
 ng/kg
1,2,3,4,7,8-Hexachlorodibenzo-p-Dioxin
39227-28-6
5
 ng/kg
1,2,3,7,8-Pentachlorodibenzo-p-Dioxin
40321-76-4
5
 ng/kg
2,3,7,8-Tetrachlorodibenzofuran
C12H4Cl4O
51207-31-9
1
 ng/kg
1,2,3,4,7,8,9-Heptachlorodibenzofuran
55673-89-7
5
 ng/kg
2,3,4,7,8-Pentachlorodibenzofuran
57117-31-4
5
 ng/kg
1,2,3,7,8-Pentachlorodibenzofuran
57117-41-6
5
 ng/kg
1,2,3,6,7,8-Hexachlorodibenzofuran
57117-44-9
5
 ng/kg
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin
57653-85-7
5
 ng/kg
2,3,4,6,7,8-Hexachlorodibenzofuran
60851-34-5
5
 ng/kg
1,2,3,4,6,7,8-Heptachlorodibenzofuran
67562-39-4
5
 ng/kg
1,2,3,4,7,8-Hexachlorodibenzofuran
70648-26-9
5
 ng/kg
1,2,3,7,8,9-Hexachlorodibenzofuran
72918-21-9
5
 ng/kg
HpCDD, Total
 
HpCDF, Total
 
HxCDD, Total
 
HxCDF, Total
 
PeCDD, Total
 
PeCDF, Total
 
TCDD, Total
 
TCDF, Total
 

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.