GCMS analysis report sample AE11908, June 4, 2002

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GCMS laboratory report for sample AE11908 detecting unknown compounds and 2,4-DDD on June 4, 2002.

NYC-WTC_000013014–000013042

Folder label: “GCMS X 5-21-02 A 5-22-02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\052202\11908.D Vial: 15 Acq On : 23 May 2002 1:14 am Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) «ee Title : 508 Modified GC/MS.scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 3.71 1.85 ug/L 1152960 1,4-Dichlorobenzene-d4 9.90 Hit# -of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12- 000075-09-2/ 94 2 Methylene Chloride 84 CH2C12 000075-09-2 94 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 46 Abundance Scan 107 (3.708 min): 11908.D (-92) (-) m/z 49.10 100.00% 49 84

5000

+FF284144.141++75%,4HHHHR+, + 88 3.40 3.60 3.80 4.00 0- “ i “ ■ ■ i ■ ■ “ i1 “ • i ■" ■ i' • m/z 84.00. 76.64% nfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 84 5000 ■1 • i • ■ ■ • । • ■ ■11 ■ ■1 ■ । ■ ■ • ■ । 3.40 3.60 3.80 4.00 46 m/z 86.00 42.50% 2629 41 | 52 59 65 88 73 77 TTT+ Hhym Of TTTLTPmTTH 1mpmmPmgT miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 ■ ‘ । ‘ i ■ ■ ■ ■ । ‘ ‘ ■ i ‘■ i 84 3.40 3,60 3.80 4.00 5000 m/z 51.05 31.39%

niz-> 14 18 24 2831 353841 32 .01 ., ।.,, > ।, i ii-| । > 1111 > 1111111 p 1111111111111 Tpugmtt 1 - 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 70 88 P Abundance #111039: Methylene Chloride ‘ ‘ ‘ I ‘ ‘ 1 1 1 ' ‘ 1 I ' ‘ ‘ ‘ I ‘ ‘ ' I 49 . 3.40 3.60 3.80 4.00 m/z 47.00 17.88% 84 / 5000

2831 3538 43 57 88 67 71 77 , I '।■ i1 ■ '‘I 0-1 * 11. i < i ।> 11 |i 11 > 11111 p 11 ij j 11 r]11111 j 111111 11—52unmemmgt ‘ ' I ' ‘ ‘ ' I ‘ ‘ ' 1 I ‘ ‘ ‘ ‘ I ' ' ‘ ‘ I ■n/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

11908.D 052202.M Tue May 28 12:15:22 2002 Page 4

NYC-WTC_000013022

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