PCDD/PCDF analysis results, Jan 2002

NYC 9/11 Public Portal Document

H. A. Bader, Consultants TLI Project; 56392 Method 8290 PCDD/PCDF Analysis (b) Jlient Sample; 605 Analysis File; S020234

Internal Standards Amt. (ng) % Recovery QC Limits Ratio RT Flags

”C,j-2.3,7.g-TCDF 2.3 57.8 40%-1307c 0.72 26:42 '’C,j-2,3,7.8-TCDD 2.5 63.5 40%-130% 0.80 27:23 ”C,rl.2,3,7.8-PcCDF 3.2 80.4 40%-130% 1.47 30:33 ”C,j-1.2J.7.8-PeCDD 3.6 89.1 40%-130% 1.46 31:33 '’Cirl.2,3,6.7,8-HxCDF 2.2 54.3 40%-130% 0.50 34:02 '’Cn-l,2.3,6,7,8-HxCDD 3.3 82.7 40%-1307c 1.20 34:44 ”C,2-l,2.3.4,6,7,8-HpCDF 2.1 52.2 25%-130% 0.43 36:59 '’Ci5-l,2.3,4,6,7,8-HpCDD 3.2 80.6 25%-13O% 1.08 38:02 '’C,rl,2,3.4,6,7,8,9-OCDD 6.5 81.2 25%-l3O% 0.87 41:48

Surrogate Standards (Type B) Amt. (ng) % Recovery QC Limits Ratio RT Flags

”C,r2,3,4,7,8-PeCDF 3.3 82.9 40%-130% 1.48 31:14 '’C,2-1,2,3,4,7,8-HxCDF 2.0 50.4 40%-130% 0.50 33:56 '’C,2-1,2.3,4.7.8-HxCDD 2.5 62.4 40%-130% 1.29 34:39 '’C,rl,2,3,4.7,8,9-HpCDF 2.5 63.7 25%-130% 0.42 38:34

Other Standard Amt. (ng) % Recovery QC Limits RT Flags

”Cl4-2,3,7,g-TCDD 0.25 63.3 40%-130% 27:25

Alternate Standards (Type B) Amt (ng) % Recovery QC Limits Ratio RT Flags

'’C,:-1.2,3,7,8,9-HxCDF 2.2 54.0 40%-130% 0.50 35.19 '’Cij-2,3,4,6,7,8-HxCDF 2.0 51.2 40%-130% 0.50 34:31

Recovery Standards Ratio RT Flags J ”Cml.2.3.4-TCDD 0.80 27:13 '’C,rl.2.3.7.8.9-HxCDD 1.22 35:03

Data Reviewer: 01/17/2002

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