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\l\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 6 Methylene Chloride Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 4.12 1.00 ug/L 625999 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# .al 1 Methylene Chloride 84 CH2C12 000075-09- 17 2 Methylene Chloride 84 CH2C12 000075-09- 12 3 Methylene Chloride 84 CH2C12 000075-09- 9 4 2-Chloroethanol 80 C2H5C1O 000107-07-/3 9 Abundance Scan 176 (4.113 min): 12092.D (-174) (-) m/z 84.00 100.00% 84 51

5000 3942 35 48 88 ***I*I*11**14***I

mz-> 01 ........................ Il — TTr 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 58 —pmmpp +l 3.80 m/z 51.10 / 4 00 82.48% 4.20 4.40

Abundance #111039: Methylene Chloride 49 84 5000 ' ‘ I ' ■ ■ ‘ I ' ■ ■ ' I ' • ‘ ■ I ' ‘ ‘ ‘ 1 3.80 4.00 4.20 4.40 m. Z 49.10 62.19% 88 i111111'111"111'1111111 I 2831 3538 43 , 52 57 Ttt 67 71 77 0!TIWTTITOTfmtgm n/z-> 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 ■ ■ • I ■ ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ • i ■ ‘ • 1 ( 3.80 4.00 4.20 4.40 5000 m/z 42.00 24.64% 35

ol 14 2528 32 ,38441 152 70 88 TBIWWn—mnpW—Bmpomt T ‘1’1112117 « 11 U I 11 11 111 t1 1 111 11 111 i r 11 Ht 11 HT y"WMMWWt miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride T 49 3.80 4.00 4.20 4.40 m/z 39.10 22.92% 84 5000'

46 2629 41 ( ,52 59 65 73 77 88 0 —1]— Tupmmmttmmunport 11»! < l ■ < • * i ‘ i1 ■ P■ ■ ■ । • ■ ■ ■ i 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 4.40

12092.D 052202.M Wed May 29 09:52:18 2002 Page 9

NYC-WTC_000013616

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NYC-WTC_000013616Source: NYC Law Department, mirrored locally

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