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PCDD/PCDF analysis results, Jan 2002

Machine-extracted title · confidence 95%

Laboratory report detailing PCDD and PCDF analysis results for a gauze sample from the NYC WTC area.

NYC-WTC_000186318–000186345
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NYC 9/11 Public Portal Document

Page No. 4 discing of SO2O226B.db£ 01/16/2002 Matched GC Peaks / Ratio / Ret. Time

Compound/ .. . . OC.Log Omi t Why ..RT OK Ratio Total.Area/Ht Area/Ht.Peakl Area/Ht.Peak2 Rei.RT Compound,Name,. ID- . Fl age.

33:55 RO 2.85 1 . 05 1 . 34 0.47 0.977 J 34:00 RO 3.46 1.12 1.73 O.SO 0.980 J 34:31 RO 3.83 1.34 2.30 0.60 0.995 J DC SN 35:00 RO 2.53 0.43 1.009 3237e9-HxCDD AN DC WH 35.17 RO 3.65 1.00 1.017 DC WH[ 35:30 RO 0.39 0.09 1.023 390-392 3 Peaks 3.51

13C12-HxCDD 1.05-1.43 0.971-1.029 402-404 DC NL Height 0.16 0.06 0.10 34:04 1. 38 1 . 88 1.09 0.79 0.9 82 34:37 1.21 633.48 347.45 286.03 0.998 13C12-MXCDD 478 SDR3 34:42 1.21 723,03 395.36 327.67 1.000 13C12-HXCDD 678 IS5 Height 220.36 120.7B 99.58 35:01 1.20 726.66 396.04 330.62 1.009 13C12-HXCDD 709 RS2 35:17 RO) 0.88 1 . 59 0.89 1.00 1.017 402-404 5 Peaks 2,086.64

Above: HxCDD / HpCDF Follows

HpCDF 0.88-1.20 0.995-1.047 408-410 DC NL Height 0.11 0.06 0.05 DC SN 36:58 RO 1.31 0.86 1.000 1234678-HpCDP AN DC SN 37:32 RO 2.67 0.12 1.016 DC SNr 38:00 RO 5.50 0.08 1.028 409-410 0 Peaks 0.00

13C12-HPCDF 0.37-0.51 0.946-1.108 418-420 DC NL Height 0.16 0.08 0.08 36:57 0.42 440.64 130.79 309.85 1.000 13C12-HpCDF 678 IS6 Height 122.53 36.52 86.01 DC SN 38:03 0.41 0.55 1.030 38:32 0.42 571.64 169.58 402.06 1.043 13C12-HPCDF 789 SUR4 418-420 2 Peaks 1.012.28

Above: HpCDF / HpCDD Follows

HpCDD 0.88-1.20 0.975-1.005 424-426 DC KL Height 0.10 0.06 0. 04 DC SN 37:14 0.97 0.69 0.979 DC SN 37:31 RO 2.33 0.06 0.987 DC SN 37:46 RO O.SO 0.20 0.993 DC SN 38:01 RO 1.89 0.55 1.000 1234678-KpCDD AN DC WHI 38:33 RO 1.74 2.77 1.014 424-426 0 Peaks 0.00

13C12-HpCDD 0.88-1.20 0.974-1.026 436-438 DC NL Height 0.22 0.14 0.08 37:16 1.15 1.16 0.62 0.54 0.980 38:01 1.01 631.49 316.86 314.63 1.000 13C12-HpCOD 678 IS7 Height 164.26 32 . 53 81.73 436-438 2 Peaks 632.65

Triangle Laboratories, Inc.® 801 Capitola Drive • Durham, North Carolina 27713 Printed: 20:64 01/16/2002 Phone: (919) 544-5729 • Fax; (919) 544-5491 47

CITY_21MC100_003110427

NYC-WTC_000186324

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NYC-WTC_000186324Source: NYC Law Department, mirrored locally

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