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GCMS analysis results for sample AE10705, May 20 2002

Machine-extracted title · confidence 100%

Gas chromatography-mass spectrometry report for sample AE10705 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045811–000045823

Folder label: “GCMS X 5/3/02 A 5/13/02

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NYC 9/11 Public Portal Document

' Data File : C:\MSDCHEM\l\DATA\020513\10705.D Vial: 16 Acq On : 14 May 2002 3:23 am Operator: Nefliu Sample : sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e Quant Time: May 15 09:01:33 2002 Quant Results File: SCAN020507.RE Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Last Update : Thu May 09 09:21:01 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN1 Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Dichlorobenzene-d4 11.38 152 511570 40.00 ug/1 -0.01 10) Naphthalene-d8 16.53 136 1908335 40.00 ug/1 -0.04 17) Acenaphthene-diO 24.46 164 1010044 40.00 ug/1 -0.02 30) Phenanthrene-diO 31.72 188 1755123 40.00 ug/1 -0.02 38) Chrysene-dl2 39.94 240 1434346 40.00 ug/1 -0.05 44) Perylene-dl2 43.16 264 892719 40.00 ug/1 -0.02

System Monitoring Compounds 2 7) TCMX 27.54 207 65698 8.14 ug/1 -0.03 Spiked Amount 10.000 Recovery = 81.40% Target Compounds Qvalue 35) Di-n-butylphthalate 34.81 149 13090 0.23 ug/1 96 43) Bis(2-ethylhexyl)phthalate 40.52 149 5142 0.17 ug/1 83

(#) = qualifier out of range (m) = manual integration (+) = signals summed 10705.D SCAN020507.M Wed May 15 09:03:04 2002 Page 1

NYC-WTC_000045813

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NYC-WTC_000045813Source: NYC Law Department, mirrored locally

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