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GCMS analysis results, sample AD30255, January 2002

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Gas chromatography-mass spectrometry analysis report for sample AD30255, completed January 9, 2002, showing 2,4-DDD surrogate compound data.

NYC-WTC_000019153–000019162

Folder label: “GCMS X 12/13/01 A 12/22/01 AND 12/27/01

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NYC 9/11 Public Portal Document LSC Area Percent Report

Data File : C:\HPCHEM\l\DATA\DEC2101\30255.D Vial: 10 ‘ Acq On : 22 Dec 2001 3:38 pm Operator: 209 GALOS Sample : gc/ms scan 12/13a Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table 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 peak peak % of # min scan scan scan TY height area % max. total

1 7.607 275 279 291 rBV 306261 860397 13.20% 2.639% 2 7.744 292 294 316 rVB 42381 169778 2.60% 0.521% 3 11.673 717 722 748 rBV 1764856 4849562 74.40% 14.876% 4 15.272 1109 1114 1134 rBV 2472046 6023088 92.41% 18.476% 5 20.551 1683 1689 1712 rBV 2903059 6517894 100.00% 19.994%

6 24.976 2165 2171 2185 rBV2 2515092 5978624 91.73% 18.340% 7 30.052 2718 2724 2733 rBV 365500 773943 11.87% 2.374% 8 33.008 3037 3046 3067 rBV2 1686792 4304353 66.04% 13.204% 9 37.103 3485 3492 3515 rBV2 1013893 3121566 47.89% 9.576%

Sum of corrected areas: 32599205

30255.D GCMS1126.M Wed Jan 02 10:31:06 2002

NYC-WTC_000019158

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NYC-WTC_000019158Source: NYC Law Department, mirrored locally

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