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GCMS blank analysis, sample AE01639, March 2002

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Gas chromatography-mass spectrometry blank analysis for sample AE01639 completed March 21, 2002, with all organic compound detections below minimum detection limits.

NYC-WTC_000012083–000012093

Folder label: “GCMS X 3-1-02 A 3-20-02 MANY RERNNS

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NYC 9/11 Public Portal Document

LSC Area Percent Report .. Data File : C:\MSDCHEM\1\DATA\031902\301LB.D Vial: 20 Acq On : 20 Mar 2002 4:50 am Operator: McLean Sample : RE-INJ 3/1 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Smoothing : OFF Filtering: 5 Sampling : 1 Min Area: 1 % of largest Peak Start Thrs: 0.2 Max Peaks: 100 Stop Thrs : 0 Peak Location: TOP

If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5

Signal : TIC

peak R.T. first max last PK peak corr. corr. % of # min scan scan scan TY height area % max. total

1 9.543 709 713 735 rBV 1668414 5069680 62.79% 11.812% 2 12.055 985 990 1001 rBV 96929 179242 2.22% 0.418% 3 13.017 1091 1096 1112 rBV 3260868 7181480 88.95% 16.733% 4 15.112 1322 1327 1336 rBV 198920 362276 4.49% 0.844% 5 17.851 1623 1629 1638 rBV2 126670 247852 3.07% 0.577%

6 18.133 1654 1660 1682 rBV 3952558 8005602 99.16% 18.653% 7 20.282 1893 1897 1906 rVB 87207 168187 2.08% 0.392% 8 22.386 2125 2129 2135 rBV2 61070 112439 1.39% 0.262% 9 22.495 2135 2141 2156 rBV2 3466362 8073704 100.00% 18.812% 10 27.430 2680 2685 2692 rBV 637055 1225429 15.18% 2.855%

11 27.529 2692 2696 2706 rVB3 37386 92659 1.15% 0.216% 12 30.305 2995 3002 3026 rBV 3182153 7614725 94.32% 17.742% 13 34.178 3422 3429 3454 rBV 1856217 4584867 56.79% 10.683%

Sum of corrected areas: 42918142

301LB.D 5080302.M Thu Mar 21 06:35:30 2002 Page 1

NYC-WTC_000012087

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NYC-WTC_000012087Source: NYC Law Department, mirrored locally

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