PCDD/PCDF analysis results, Jan 2002

NYC 9/11 Public Portal Document

Initial . . .Date..

Data Review By: k V'/Y Channel specific noise levels computed from ’NL’ heights.

The Total Area for each peak with an ion abundance ratio outside ratio limits has been recalculated according to method requirements.

Page No. 1 Listing of SO2O234B.dbf 01/17/2002 Matched GC Peaks / Ratio / Ret. Time

Compound/ h_Z..,. QC.Log Omit Why ..RT. OK Ratio Total.Area/Ht Area/Ht.Peakl Area/Ht.Peak2 Rei.RT Compound.Name.. ID.. Flags.

TCDF 0.65-0.89 0.880-1.070 304-306 DC NL Height 0.3S 0.19 0.19 24:10 0.72 18.50 7.72 10.78 0.905 24:23 0.82 24.65 11.08 13.57 0.913 24:45 0.74 62.08 26.47 35.61 0.927 25:03 0.81 40.30 18.06 22.24 0.930 25:27 0.77 57.65 25,03 32.62 0.953 25:43 0.83 36.25 16.44 19.81 0.963 25:55 0.85 68.46 31.55 36.91 0.971 26:09 0.83 57.20 25.97 31.31 0.979 26:19 0.84 23.34 10.67 12.67 0.986 1270-TCDF AN 26:33 0.81 19.57 8.73 10.84 0.994 2 5:44 0.00 94.55 41.93 52.62 1.001 237e-TCDF AN 27:08 0.87 21.51 9.98 11.53 1.016 27:20 0.81 19.30 6.66 10.64 1.024 27:36 RO 0.94 6.99 3.04 3.25 1.034 J 304-306 14 Peaks 550.43

13C12-TCDF 0.65-0.89 0.963-1.037 316-310 DC NL Height 0.45 0.26 0.19 25:42 0.72 19.20 0.04 11.24 0.963 26:18 0.72 12.46 5.21 7.25 0.985 26:42 0.72 2.062.19 863.60 1,198.59 1.000 13C12-2378-TCDF ISO Height 560.53 235.57 332.96 27; 03 0.04 10.38 4.75 5.63 1.013 316-318 4 Peaks 2.104.31

Above; TCDF / TCDD Follows

TCDD 0.65-0.89 0.904-1.042 320-322 DC NL Height 0.33 0. 16 0.1? 24:56 0.75 192.00 82.43 103.57 0.911 136B-TCDD AN 25:19 0.75 141.05 60.29 80.76 0.925 1379-TCDD AN 25:36 0.76 22.52 9.76 12.76 0.935 26:15 O.BO 48.09 21. 34 26.75 0.959 26:31 0.B5 20.17 12.97 15.20 O.96B DC SN 26:42 RO 4.59 1.24 0.975 26:54 0.85 11.89 5,48 6.41 0.982 M 27:18 0.74 47.50 20.20 27.30 0.997 AN 27:23 0.70 2.45 2 . 01 1.44 1.000 237e-TCDD AN J 27:34 RO 0.92 4.76 2,07 2.24 1.007 J 27:43 RO 0.9B 4.07 1 . 77 1.80 1.012 J 27:57 RO 1.44 1.59 1 . 30 0.90 1.021 J DC SN 28:22 RO 0.63 1.56 1.036

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham, North Carolina 27713 Printed: 13:45 01/17/2002 Phone: (919) 544-5729 • Fax: (919) 544-5491 110

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