GCMS analysis results for sample AE12092, June 2002

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Laboratory report documenting GCMS analysis of sample AE12092 conducted on June 5, 2002.

NYC-WTC_000013603–000013623

Folder label: “GCMS X 5/22/02 A 5/23/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\12092.D Vial: 13 Acq On : 23 May 2002 7:45 pm Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 7 Methylene Chloride Concentration Rank 8

R.T. EstConc Area Relative to ISTD R.T. 4.21 0.67 ug/L 420130 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# .al

1 Methylene Chloride 84 CH2C12 000075-09-2/ 38 2 Methylene Chloride 84 CH2C12 000075-09- 35 3 Methylene Chloride 84 CH2C12 000075-09- 32 4 Methylene Chloride 84 CH2C12 000075-09- 9 Abundance Scan 192 (4.207 min): 12092.D (-190) (-) m/z 49.10 100.00% 49 86 .5000 42 3.80 4.00 4.20 4.40 4.60

iz-> 01 --ttp “R4.,L 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 58 TTTIUIHamB—pT ‘1’0111117 m/z 86.00 65.34% Abundance #111041: Methylene Chloride 49 84 5000 i ■ 1 ■ ■ t ■ ■ ■ ‘ i ■ ■ ■ ' i ■ ' ■ ■ i ' 1 3.80 4.00 4.20 4.40 4.60 46 m/z 87.90 41.23% 2629 co — 41 v . |ii ,152 59 65 73 77 88 "VMhMahonul Tl/Z-> Abundance 01 ' • i “ ■ ■ i ■ ■ “ i ■ ■ “ i11 ■11 “ “ i ■ “111'1' 1 11 1 1" i “'11 “ “ i ■ ■ “ i'11111'111 “1 I ''11"'111" 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111039: Methylene Chloride MMWA 49 i ■ ■ • ■ i • ■ ■ ■ i ■ ■ 1 ■ i ■ ■ ■ ■ i ' ■ 84 3.80 4.00 4.20 4.40 4.60 5000 m/z 42.00 32.46%

niz-> 2831 3538 43 |, 52 57 Of "I"1 'I'1'11'“' i"1111"11' '"111 ‘ 'I11111111 Ttugpp t 67 71 77 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 H Abundance #12327: Methylene Chloride ' 1***I***I*"1I1I 49 3.80 4.00 4.20 4.40 4.60 84 m/z 84.00 28.81% 5000

88 14 18 24 2831 353841 0 2)9291——— 132 ________ 70______ || I “ ■ i' ■' ■ i ■ ■ • ■ i' • “ i ■ ■ “ i ■ ‘ “ i ■11 - n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.80 4.00’ 4.20 440 4.60’

12092.D 052202.M Wed May 29 09:52:18 2002 Page 10

NYC-WTC_000013617

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NYC-WTC_000013617Source: NYC Law Department, mirrored locally

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