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GCMS analysis results for sample AE08937, April 29 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AE08937 conducted on April 29, 2002, showing surrogate recovery.

NYC-WTC_000049213–000049223

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\8937.D Vial: 10 Acq On : 22 Apr 2002 6:32 pm Operator: Bohik Sample : SAMPLE 8937 4/15/02, FB Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\MSDCHEM\1\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 3.872 130 135 148 rBV 271802 526808 12.41% 2.416% 2 5.471 402 407 409 rBV 27688 44004 1.04% 0.202% 3 5.500 409 412 437 rVB 423378 1021633 24.07% 4.686% 4 9.413 1072 1078 1100 rBV 832138 2464383 58.07% 11.303% 5 12.880 1662 1668 1690 rBV 1621906 3732423 87.95% 17.119%

6 17.986 2529 2537 2563 rBV 1963526 4243892 100.00% 19.465% 7 19.948 2864 2871 2885 rBV3 189068 441536 10.40% 2.025% 8 22.339 3270 3278 3302 rBV2 1691199 3954960 93.19% 18.139% 9 30.142 4598 4606 4626 rBV2 1307626 3212012 75.69% 14.732% 10 34.014 5256 5265 5288 rBV 765398 2161545 50.93% 9.914%

Sum of corrected areas: 21803196

8937.D 5080402BBC.M Thu Apr 25 14:37:06 2002 Page 1

NYC-WTC_000049218

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NYC-WTC_000049218Source: NYC Law Department, mirrored locally

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GCMS analysis results, sample AE08956, April 2002 · Box DEP Box 27

NYC-WTC_000049288

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.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

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