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GCMS analysis results, sample AE12325, June 2002

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Gas chromatography mass spectrometry results for sample AE12325 including surrogate recovery data analyzed on June 7, 2002.

NYC-WTC_000014330–000014347

Folder label: “GCMS X 5/24/02 A 5/29/02

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NYC 9/11 Public Portal Document rentatively laentlllea compouna (LSC) • summary - Operator ID: McLean Date Acquired: 29 May 2002 7:51 pm • Data File: C:\MSDCHEM\l\DATA\052902\12325.D Name: gc/ms scan 5/24 Mise: Method: C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title: 508 Modified GC/MS scan Library Searched: C:\DATABASE\NIST98.L

--Internal Standard--- TIC Top Hit name RT EstConc Units Response # RT Resp Cone 1-Propanethiol 3.54 0.2 ug/L 155092 1 9.90 28626700 40.0 Methylene Chloride 3.70 1.5 ug/L 1052340 1. 9.90 28626700 40.0 Propiolonitrile 3.72 0.9 ug/L 634549 1 9.90 28626700 40.0 Isocrotonic acid 3.75 0.7 ug/L 517652 1 9.90 28626700 40.0 Methane, chlorodi... 3.79 2.5 ug/L 1784620 1 9.90 28626700 40.0 Propanal, 2-methy. . . 3.87 3.2 ug/L 2314700 1 9.90 28626700 40.0 2-Pentanone, 4-hy... 5.93 11.9 ug/L 8520920 1 9.90 28626700 40.0 2,5-Dihydrophosph... 22.54 0.3 ug/L 279725 4 22.91 43081600 40.0 Anthracene-dl0- 23.07 0.3 ug/L 330990 4 22.91 43081600 40.0

12325.D 052202.M Mon Jun 03 10:53:25 2002 Page 13

NYC-WTC_000014347

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NYC-WTC_000014347Source: NYC Law Department, mirrored locally

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