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GCMS analysis results, sample AE12479, June 2002

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Laboratory report showing GCMS analysis results for sample AE12479 including surrogate recovery data on June 10, 2002.

NYC-WTC_000014485–000014508

Folder label: “GCMS X 5/28/02 A 5/29/02

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NYC 9/11 Public Portal Document Tentatively Identified Compound (LSC) summary • Operator ID: McLean Date Acquired: 30 May 2002 2:22 am ’ Data File: C:\MSDCHEM\1\DATA\052902\12479.D Name: gc/ms scan 5/28 fb 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 Butanoic acid, me... 3.48 0.2 ug/L 161675 1. 9.90 27707900 40.0 Methylene Chloride 3.71 2.1 ug/L 1480610 1 9.90 27707900 40.0 1,2,3-Butatriene,... 3.73 1.3 ug/L 881155 1 9.90 27707900 40.0 Methanethiol 3.77 1.6 ug/L 1117370 1 9.90 27707900 40.0 Methylene Chloride 3.81 2.1 ug/L 1449220 1 9.90 27707900 40.0 Propiolonitrile 3.89 1.2 ug/L 856504 1 9.90 27707900 40.0 Krypton 3.92 0.7 ug/L 478333 1 9.90 27707900 40.0 Acetic acid, chlo... 3.94 1.5 ug/L 1039700 1 9.90 27707900 40.0 Phosphonic difluo. . . 3.99 1.4 ug/L 993284 1 9.90 27707900 40.0 Methylene Chloride 4.53 1.2 ug/L 813534 1 9.90 27707900 40.0 Methylene Chloride 4.87 0.3 ug/L 207392 1 9.90 27707900 40.0 2-Pentanone, 4-hy... 5.95 0.8 ug/L 585291 1 9.90 27707900 40.0 Cyclopentasiloxan... 12.37 1.2 ug/L 1137830 2 13.39 37419800 40.0 Anthracene, 2-met... 22.54 0.2 ug/L 253120 4 22.91 40664100 40.0 Anthracene -dl0- 23.07 0.3 ug/L 282379 4 22.91 40664100 40.0

12479.D 052202.M Mon Jun 03 11:42:02 2002 Page 19

NYC-WTC_000014508

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NYC-WTC_000014508Source: NYC Law Department, mirrored locally

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