GCMS analysis report sample AE09678, May 23, 2002

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GCMS laboratory report for sample AE09678 detecting unknown compounds and 2,4-DDD on May 23, 2002.

NYC-WTC_000013191–000013216

Folder label: “GCMS X 5/21/02 A 5/21/02”

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NYC 9/11 Public Portal Document L x DL dL X EdrcI totpOuiU KCDOL L

Data File : C:\MSDCHEM\l\DATA\052102\9678.D Vial: 16 . Acq On : 22 May 2002 1:33 am Operator: Mclean Sample : re-extract 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 1 Methylene Chloride Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

3.72 3.56 ug/L 2071710 1,4 -Dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# 1 1 Methylene Chloride 84 CH2C12 000075-09-2/ 94 2 Methylene Chloride 84 CH2C12 000075-09- 91 3 Methylene Chloride 84 CH2C12 000075-09- 91 4 Methylene Chloride 84 CH2C12 000075-09- 90 Abundance Scan 108 (3,714 min): 9678.D (-93) (-) m/z 49.10 100.00 49 84

5000

' ' ■ I ' ‘ ‘ I ‘ ‘ ‘ I ' ' ' ' I 1 ' 1 'T 35’384,1 88 3.40 3.60 3.80 4.00 0 11 57__ 1 , 58______________. 1TTHTDTTTNITTITITTTTT)H 4 m/z 84.00 69.54% mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 5000 ‘ ' I ' ■ ' ■ I ' ■ ' ' 1 ' ' ' ' 1 1 ' 1 1 T 3.40 3.60 3.80 4.00 m/z 86.00 46.80% 14 18 24 2831 353841 88 01 • < । • • • ■ । • >»> । > । *1 i11'111 •1 * I •'111111' i ■ ,52 70, - 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 1' i ■ 1 1 ■ ।1 ■ ■ ■ i11 ' 11 1 1 1 1 r 84 3,40 3.60 3.80 4.00 5000 m/z 51.10 27.06%

miz-> 01 ■ >! ■ • ■ > t • ■ • • i ■ ■ 2831 3538 43 i" " i • ‘1 * i ‘ > I ” ‘1J"' • i' 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ,52 57 67 71 77 Inmummmpuumprt H 88 P Abundance #111040: Methylene Chloride ' ‘ ■ i ' ' ' 1 I • ‘ ‘ 1 i ■ ■ ' ■ i ■ ■ • ■ I 49 3.40 3.60 3.80 4.00 84 m/z 47.10 16.74% —/ 5000

35 88 0 TPH 14 2528 32 " I ’ ‘1 I * ‘ ’ 152■ 70 .,2831.,, " I " " I ‘1' ‘ I' “ ' i ‘ '1 Hmmp ■ ■ । ■ i ■' ■ • । ‘ । • • • ■ । 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

9678.D 052202.M Wed May 22 11:43:22 2002 Page 4

NYC-WTC_000013199

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