GCMS analysis results for sample AE12472, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12472 conducted on June 4, 2002.

NYC-WTC_000014054–000014078

Folder label: “GCMS X 5/24/02 A 5/28/02”

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NYC 9/11 Public Portal Document Library searen compound Report Data File : C:\MSDCHEM\l\DATA\052802\12472.D Vial: 10 Acq On : 28 May 2002 9:38 pm Operator: McLean Sample : 5/24 ad 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 2 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.72 3.50 ug/L 2151890 1,4 -Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09- 86 2 Methylene Chloride 84 CH2C12 000075-09- 86 3 Methylene Chloride 84 CH2C12 000075-09- 86 4 Methylene Chloride 84 CH2C12 000075-09- 83 Abundance Scan 109 (3.720 min): 12472.D (-93) (-) m/z 49.10 100.00% 49 84

5000

' ■ ■ i 1 ■ ■ ■ i ■ ■ ' ' i * • ■ ■ I । 1 1 ' i 3.40 3.60 3.80 4.00

n/z-> 0l 5 m 35,,41 58 ' • “ i •" ‘ i" • ■ i ‘ 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 70 ' 1 “ “ i “ ■ ■ i “' 88 4 m/z 84.00 77.12%| Abundance #111041: Methylene Chloride 49 84 5000 1 ' ‘ I ‘ ‘ ‘ I ‘ 1 ' I ' ' ' 1 1 1 ' ' ' I 3.40 3,60 3.80 4.00 46 m/z 86.00 50.70%| 2629 co- 41 ... IH $52 59 65 73 77 88 , 0 “ i ■ ■" i" “ .।....i111.1111।11111111111 II।11।u। .n.।1111111111111111 miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 1 ‘ ‘ i ■ • ■ ■ i ■ • ‘ ■ i ■ • • ■ i • ' • • i 84 3.40 3.60 3.80 4.00 | 5000 m/z 51.10 25.88%

miz-> 2831 3538 43 || ,152 57 01 .. ।.... ]... . 111 i > । 11.. ।. 11 11 > ■.. 1111 i . । 111.11 I I !"■ 111, >| 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 67 71 77 i■■■■ i 11 ■ i ■ ■ “ i■11 H Abundance #12327: Methylene Chloride ' 1 ' I ' ‘ ‘ ' I ‘ ‘ • I ' • ‘ ‘ I ‘ ' I 49 3.40 3.60 3.80 4.00 84 m/z 47.10 18.05% 5000 MA/H. 14 18 24 2831 353841 88 ,!>2 .______ 70______ , - n/z—> 0 . . t . .. . । . . II ]I I I I|11.IjI 11 I|I I I I|I I I I | It! I | I TBPmmammgmaoot 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

12472.D 052202.M Thu May 30 10:41:54 2002 Page 5

NYC-WTC_000014063

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GCMS analysis results for sample AE12474, June 2002 · Box DEP Box 15

NYC-WTC_000014102

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12474 conducted on June 4, 2002.

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