GCMS sample AE11576 results, June 6 2002

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Gas chromatography-mass spectrometry analysis report for sample AE11576 detecting unknown compounds and surrogates on June 6, 2002.

NYC-WTC_000015561–000015580

Folder label: “GCMS X 6/4/02 A 6/4/02”

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NYC 9/11 Public Portal Document ulbrary oearen compound Report

Data File C:\MSDCHEM\l\DATA\060402\11576.D Vial: 9 Acq On 4 Jun 2002 10:22 pm Operator: McLean Sample 6/4 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.72 1.60 ug/L 1082800 1,4-dichlorob'enzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qu, 1 Methylene Chloride 84 CH2C12 000075-09-2/94 2 Methylene Chloride 84 CH2C12 000075-09-2/ 91 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 86, Abundance Scan 109 (3.720 min): 11576. D (-94) (-) m/z 49.10 100.00% 49 84

5000

88 3.40 3.60 3.80 4.00 353841 01TIPDTNmT 1- l‘i “ i" ■ ■ i ■ ■ • ‘■ i'11 m/z 84.00 74.13% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84

5000 ' 1 ' I ' ' ‘ ' I ‘ ‘ ' I ' ' ' ' I ' ' ' ' I 3.40 3.60 3.80 4.00 35 m/z -/ 86.00 46.50%

iz-> 5 O+ .....10 1415.... 2528,22./*41.., lll/52 ................ 1,11.... 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84

.Pu 3.40 3.60 3.80 4.00 5000 m/z 51.10 37.07%

m/z-> 2831 3538 43 |, ,52 57 67 71 77 0- ■ > I" • ■ i"' ■ 1 ’1 “ I" " I * * ’' 11' *' I ’'1 * I ’' i11' | r, ।, ।, h 11,, ■ ■ । r,i 11 ■ H11 > i,, ।> i 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 “i"' H Abundance #12327: Methylene Chloride 49 3.40 3.60 3.80 4.00 84 m/z 47.05 21.56% 5000 ML/MAm, 0 •>| 14 18 24 2831 353841 | > 11J 1 > > * J *1 • > J • H I j > I “ [ 11 l ' | 11 1 > | > 152 _________70______ u 88 1 1 ■ ■ i ■ ■ ■ ■ i ■ ■1 ■ i ■ ■ ■ ■ i'1111"111111 H n/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

11576.D 060302.M Wed Jun 05 12:29:24 2002 Page 4

NYC-WTC_000015569

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NYC-WTC_000015569Source: NYC Law Department, mirrored locally

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