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GCMS analysis results for unknown compounds, June 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS analysis of sample AE12735 with surrogate recovery data and identification of unknown compounds.

NYC-WTC_000015200–000015223

Folder label: “GCMS X 6/3/02 A 6/7/02

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NYC 9/11 Public Portal Document rentatvely laentirled compound (LSC) summary

Operator ID: Date Acquired: 7 Jun 2002 5:32 pm Data File: C:\MSDCHEM\l\DATA\060702\12736.D Name: Mise: Method: C:\MSDCHEM\1\METHODS\060302.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... 3.47 0.2 ug/L 167110 1 9.89 27985700 40.0 Methylene Chloride 3.72 2.4 ug/L 1711580 1 9.89 27985700 40.0 4-Chlorobuten-3-yne 3.73 4.6 ug/L 3252160 1 9.89 27985700 40.0 Azetidine, 1-nitr... 3.87 0.9 ug/L 660198 1 9.89 27985700 40.0 Methylene Chloride 3.90 0.8 ug/L 525955 1 9.89 27985700 40.0 2-Butyne-1,4-diol... 3.94 1.6 ug/L 1085600 1 9.89 27985700 40.0 l-Buten-3-yne, 2-... 4.05 0.5 ug/L 355089 1 9.89 27985700 40.0 5-Hexen-3-ol, 2,2... 4.11 0.2 ug/L 150407 1 9.89 27985700 40.0 2-Pentanone, 4-hy... 5.95 0.6 ug/L 410470 1 9.89 27985700 40.0 Undecane, 5,6-dim... 8.70 0.3 ug/L 201477 1 9.89 27985700 40.0 Cyclotetrasiloxan... 9.21 0.2 ug/L 173761 1 9.89 27985700 40.0 Cyclopentasiloxan... 12.37 0.3 ug/L 254563 2 13.39 37927500 40.0 Phenanthrene, 1-m... 22.53 0.3 ug/L 288475 4 22.91 43108400 40.0 Anthracene-dl0- 23.06 0.3 ug/L 331690 4 22.91 43108400 40.0 Naphthalene, 1,2,... 34.83 0.4 ug/L 148015 6 34.65 14307600 40.0

12736.D 060302.M Mon Jun 10 11:23:38 2002 Page 19

NYC-WTC_000015223

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NYC-WTC_000015223Source: NYC Law Department, mirrored locally

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