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GCMS unknowns analysis results for sample AD28334, Jan 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD28334 conducted on January 9, 2002.

NYC-WTC_000033936–000033944

Folder label: “GCMS X 11/20/01 A 11/26/01

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NYC 9/11 Public Portal Document LSC Area Percent Report

- Data File : C:\HPCHEM\1\DATA\NOV2601\28334.D Vial: 13 Acq On : 28 NOV 2001 5:00 am Operator: 209 GALOS Sample : 11/20 scan 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 11.564 706 710 719 rBV 50442 122042 1.89% 0.420% 2 11.693 719 724 745 rBV 1843470 4825536 74.57% 16.614% 3 15.301 1111 1117 1135 rBV 2991598 6368011 98.41% 21.925% 4 20.570 1685 1691 1710 rBV 2932581 6471012 100.00% 22.280% 5 24.995 2166 2173 2187 rBV2 2584005 5605755 86.63% 19.301%

6 30.072 2721 2726 2737 rVB 142553 279193 4.31% 0.961% 7 33.028 3041 3048 3064 rBV2 1329559 3164396 48.90% 10.895% 8 37.113 3486 3493 3513 rBV 817119 2208283 34.13% 7.603%

Sum of corrected areas: 29044228 28334.D GCMS1126.M Thu Jan 03 12:49:26 2002

NYC-WTC_000033941

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GCMS comments for sample AD28325, Nov 2001 · Box DEP Box 21

NYC-WTC_000033816

Analytical commentary for sample AD28325 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

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GCMS comments for sample AD28265, Nov 2001 · Box DEP Box 21

NYC-WTC_000033825

Analytical commentary for sample AD28265 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

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GCMS comments for sample AD28149, Nov 2001 · Box DEP Box 21

NYC-WTC_000033780

Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

machine-extracted · confidence unavailable · Check page ↗

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