GCMS analysis results for sample AE08756, May 2002

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Laboratory report documenting GCMS analysis of sample AE08756 conducted on May 8, 2002.

NYC-WTC_000044731–000044747

Folder label: “GCMS X 4/29/02 A 5/3/02”

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NYC 9/11 Public Portal Document

• Data File C:\MSDCHEM\l\DATA\050202\8756.D Vial : 15 Acq On 2 May 2002 11:05 pm Operator: Mclean Sample 4/29 re-ext 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 6

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

3.71 0.26 ug/L 189220 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 74 2 Methylene Chloride 84 CH2C12 000075-09-2 72 3 Methylene Chloride 84 CH2C12 000075-09-2/72 4 Methylene Chloride 84 CH2C12 000075-092 9 Abundance m/z 49.05 r00.00% Vwudo//Vphnp Scan 108 (3.714 min): 8756. D (-95) (-) 49

5000 40 86

35 3.40 3.60 3.80 4.00 TTT i ■ " ■। । । ।" 11 ■ 443—— I I >> I I I I I I I I I I TTT >" m/ z 86.00 47.90% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 wyysyt 84 5000 I । I [ I < I i [ T“T I i -1 i “i " i i | " I I I I [

3.40 3.60 3.80 4.00 m/z 40.10 46.19% 88 2831 3538 43 $2 57 67 71 77 1-rTJT ■ । i i i i । r i i i । i r > > | i ■ I I | i i i i | 1 I I i | I I I i | i Ttur ■ i. । ■ ■ ■ ■ । ■ 11 ■ i ■ • i H+Heem m/z--> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 ' ' 1 I ' 1 ‘ 1 1 1 ' 1 ’I . . 1 . I i I I I I 84 3.40 3.60 3.80 4.00 5000 m/ z 84.00 44.83%

88 14 18 24 2831 353841 vnyuovnv r! 1 । i i i'f j i i । i । i r > r | i i i i | I I I । | I I i । | i $2 | ................ 70............ 1 ' ' I 1 ' 1 ' 1 1 ' ' ' I ' 1 ' ’ 1' 1 « I1 1 1 TT’ I I * —P m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 1 ' ' i 1 ' 1 1 i ' 1 1 1 i 1 1 1 1 i ' ■ ‘ 1 i 49 3.40 3.60 3.80 4.00 m/z 88.00 25.37%

5000

46 84

KAylasyN"Wynhar 2629 41 | , 52 59 65 73 77 88 ‘II‘ i | I । i i | ■ > I i | > i > । | i I i I p ■ > I | i i r > | I I I I | r 1 h 1' r 1111 " " I " " r 1" i1" 1 r ' 1111 ■ । ■ ■ ■ ■ । ■ । ' i | > | | i | । r r I | > I I I “ | “ l"_I | I 11

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

8756.D 050102.M Mon May 06 14:02:57 2002 Page 4

NYC-WTC_000044738

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NYC-WTC_000044738Source: NYC Law Department, mirrored locally

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