GCMS analysis results for sample AE11930, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\11930.D Vial: 10 Acq On : 23 May 2002 5:18 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 10 Methylene Chloride Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T. 4.35 0.68 ug/L 400309 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 Methylene Chloride 84 CH2C12 000075-09-2 4 2 Methylene Chloride 84 CH2C12 000075-09-2 4 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 Methylene Chloride 84 CH2C12 000075-0972 4 Abundance Scan 216 (4.348 min): 11930.D (-215) (-) m/z 49.10 10.00% 49

5000 86

44 ‘ ‘ I ‘ ‘ ‘ ’ I ' ‘ ' I ' ‘ ‘ 1 I ' ' ‘ ‘ I ‘

38 ( 4.00 4.20 4.40 4.60 O+ TmmLTTTTTTTTTTHTTT mmmmmmHH TTPT 91 m/z 86.00 47.36% miz-> 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 4.00 4.20 4.40 4.60 m/z 84.00 41.58%

miz-> O —MTTTTTTTTH 29 41 59 65 73 78 5 10 15 202530354045505560 65 70 75 80859095 +89 Abundance #111040: Methylene Chloride 49 84 ■ ■ i ■ ' ■ ■ i ■ ■ ■ ■ I ■ ■ ■ 1 1 1 ■ ■ 1 I 1 4.00 4.20 4.40 4.60 5000 m/z 44.00 21.96%

miz-> 14 28 i 41 35

01mIPL*mPTTTTHIT । ■ 11111 j 11111. 70 ' i ■ ■ ■ ■ i ■ “ ■ i ‘ ■ • ■ I ■" ■ i ■ ■'' i' ■1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 T tmmmpm wholl Abundance #111039: Methylene Chloride ' ‘ I ' ‘ ‘ ‘ I ' ‘ 49 4.00 4.20 4.40 4.60 m/z 88.00 17.35%

"PM-MHuim 84 5000

m/z-> 28 35 0 TTpT-rrrrrrrpTrrTTTTTTy^^ 43 57 H *mmgpr 71 77 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 9. ‘ ■ i ■ ■ ‘ ' i 1 ■ ■ ‘ i ■ 1 ■ ■ i ■ ‘ 4.00 4.20 4.40 4.60 ■ i •

11930.D 052202.M Wed May 29 09:50:19 2002 Page 13

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