PCDD/PCDF analysis results, Jan 2002

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

NYC-WTC_000186387–000186408

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NYC 9/11 Public Portal Document

Initial . . .Date..

Data Review By: Channel specific noise levels computed from 'NL' heights.

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

Page No. Listing of S020235B.dbf 01/17/2002 Matched GC Peaks / Ratio / Rec. Time

Compound/ M_Z.... QC.Log Omit Why ..RT. OK Ratio Total Area/Hc Area/Ht.Peakl Area/Ht.Peak2 Rel.RT Compound.Name.. ID.. Flags.

TCDF 304-306 DC NL 23:42 24 :11 24 :24 24:52 25:05 25:27 25:43 25:56 2 6.09 26:20 26:34 26:45 27:09 27:21 27:36 2S.-25 28:31 DC WH 28:48 94-106 17 Peaks 0.65-0.89 0.680-1.070 Height 1.05 0.61 0.44 0. SI 11.19 5.01 6.18 0.888 1368-TCDF AN J 0.80 622.59 276.59 346.00 0.906 0.80 1.465.40 652.41 013.07 0.914 0.82 2,981.38 1,339.13 1,642.25 0.931 0.79 1,686.52 746.40 940.12 0.939 0.79 3,202.94 1,416.68 1.786.26 0.953 0. 00 2,551.64 1,134,47 1.417.17 0.963 0.80 4,289.26 1.910.97 2.377.29 0.971 0.61 4,078.09 1,818.92 2.259.17 0.979 0.82 1,365.61 613.33 7S2.28 0.986 1378-TCDF AN 0.00 1,191.24 528.19 663.05 0.995 0.80 6,269.15 2,783.34 3,485.81 1.002 237e-TCDF AN E 0.81 1,115.31 499.49 615.82 1.017 0.81 1,253.69 561.07 692.62 1.024 0.82 375.72 169.65 206.07 1.034 0.86 219,59 101.65 117.94 1.064 O.SI 105.32 47,29 53.03 1.068 0.80 91.05 1.079 32.783.72

Cl 2-TCDF 0.65-0.89 0.963-1.037 .6-318 DC NL Height 2.30 2.11 0.69 DC WL 23:45 RO) 2.59 4.53 0.890 DC WL 24:37 RO) 4 .27 13 . 10 0.922 26:42 0.71 3,042.39 1,266.33 1.776.06 1.000 13C12-2378-TCDF. ISO Height 839.34 352.89 486.45 27:04 0.83 38.66 17.49 21.17 1.014 326-318 2 Peaks 3,081.05

Above; TCDF / TCDD Follows

TCDD 0.65-0.89 0.904-1.041 320-322 DC NL Height 2.51 2,19 0.32 24:57 0.77 7,386.62 3,221.16 4,165.46 0.911 136e-TCDO AN £ 2S:20 0.77 9,198.00 4,008.60 5,189.40 0.925 1379-TCDO AN E 25:37 0.77 1,466.44 637.44 829.00 0.935 26:16 0.77 3,776.09 1,640.50 2.135.59 0.959 26:31 0.76 2,074.31 896.99 1.177.32 0.966 26.-54 0,77 945.85 412,33 533.52 0.982 M 27;19 0.76 3,950.00 1,710.00 2,240.00 0.997 AN 27:24 O.SI 94.60 42 .30 52.30 1.000 2378-TCDD AN 27:34 0.77 332.36 144.78 187.58 1.006

I riangle Laboratories, Inc.® ■'01 Capitola Drive • Durham, North Carolina 27713 Printed: 13:46 01/17/2002 ?hone: (919) 544-5729 • Fax: (919) 544-5491 151

CITY_21MC100_003110529

NYC-WTC_000186390

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NYC-WTC_000186390Source: NYC Law Department, mirrored locally

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NYC-WTC_000186318

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

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