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GCMS analysis results for unknown compounds, sample AE10204, May 2002

Machine-extracted title · confidence 95%

Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10204 on May 10, 2002.

NYC-WTC_000044994–000045009

Folder label: “GCMS X 4/30/02 A 5/8/02

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050802\10204.D Vial: 22 Acq On 9 May 2002 8:31 am Operator: Mclean Sample 4/30 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T.

3.71 0.26 ug/L 205080 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 8 2 Methylene Chloride 84 CH2C12 000075-09-2 3 Ethyl Chloride 64 C2H5C1 000075-00-3 9 4 Methylene Chloride 84 CH2C12 000075-0942 9 Abundance Scan 108 (3.714 min): 10204.D (-94) (-) m/z 49.10 100.00%

5000 43 49 84 "MuMos_ ' ' ' I ' ' ' ' I ' ' ' ' I ' ' ' 1 I ' ' ' ' I 36 40 59 3.40 3.60 3.80 4.00

m/z-> 0 5 V i'' ‘' I ll r " j " " r' " i 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1 88 I ’ " 11 ‘ ‘' T 1 11111 । ' m/z 43.10 84.08% Abundance #111040: Methylene Chloride 49 84 wwus 5000 1 1 ' I ' ' 1 1 I 1 ' ' ' 1 1 ' 1 1 1 1 1 ' ■ I 3.40 3.60 3.80 4.00 35 m/z 84.00 44.92%

m/z-> Abundance 14 01 HHP r | i । । i 2528 32 3841 70 88 1. +52 ' I' " 11" HI TI 111" 111 i | | i | ■ I । I t I I | I I > I

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 -P MAWWMsp #111041: Methylene Chloride 49 ■ ■ ■ । ■ > ■ ■ । ■ i । । । 1 । ' । ' > । 84 3.40 3.60 3.80 4.00 5000 m/z 51.05 23.92%

01 11 r 111111111" 1' i 2629 46 41 11111111111111111111111 | ,52 | 59 65 J i I | I । । I | r ' i । | । 73 77 • । | f r i I'j i t > i । 1 88 I | I | I ! ! I | ! "PAAp.u"WHyonpo m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #107943: Ethyl Chloride ' ' 1 i ■ ' 1 ' i ' 1 ■ 1 i ' 1 1 ‘ I ' 1 1 ' I 28 3.40 3 60 3.80 4.00 m/z 47.00 21.07%

5000

25 35 49 64 Haw/wphupooso 1215 0 -MH TTTTT 31.428 — — TTHT ............. _ 60 । 111" r 1'' i1 " ' i' 1' i11'1111 " i • 1 f 1 1 1 ’ I ’ • r . । m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

10204.D 050102.M Thu May 09 13:38:27 2002 Page 4

NYC-WTC_000045002

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NYC-WTC_000045002Source: NYC Law Department, mirrored locally

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