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GCMS analysis results, sample AE08956, April 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry analysis of environmental sample AE08956 conducted on April 29, 2002, detecting unknown compounds and 2,4-DDD surrogate at 79 micrograms.

NYC-WTC_000049288–000049298

Folder label: “GCMS X 4/15/02 A 4/22/02

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NYC 9/11 Public Portal Document

LSC Area Percent Report

Data File : C:\MSDCHEM\1\DATA\042202\8956.D Vial: 18 Acq On : 23 Apr 2002 1:06 am Operator: Bohik Sample : SAMPLE 8956 4/15/02, FB Inst : Instrumen Mise : Multipir: 1.00 MS Integration Params: LSCINT.P

Method : C:\MSDCHEM\l\5973N\5080402BBC.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 3.884 132 137 154 rBV 255399 544186 10.69% 2.018% 2 5.465 402 406 409 rBV . 37738 66635 1.31% 0.247% 3 5.500 409 412 443 rVB 612240 1459077 28.67% 5.410% 4 9.413 1071 1078 1107 rBV 1099326 3169628 62.28% 11.752% 5 12.880 1661 1668 1689 rBV 2012090 4538954 89.18% 16.829%

6 17.985 2529 2537 2560 rBV 2364840 5089495 100.00% 18.870% 7 19.948 2865 2871 2885 rBV2 265206 578015 11.36% 2.143% 8 22.339 3270 3278 3300 rBV2 2075521 4772632 93.77% 17.696% 9 30.142 4597 4606 4628 rBV2 1609518 4017915 78.95% 14.897% 10 34.020 5256 5266 5285 rBV2 1050737 2734133 53.72% 10.137%

Sum of corrected areas: 26970670

8956.D 5080402BBC.M Fri Apr 26 12:16:21 2002 Page 1

NYC-WTC_000049293

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NYC-WTC_000049293Source: NYC Law Department, mirrored locally

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