GCMS analysis results for sample AE12475, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052802\12475.D Vial: 13 Acq On : 29 May 2002 12:04 am Operator: McLean Sample : 5/24 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e 2* Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST9 8.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 3.73 3.39 ug/L 2193230 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 96 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 Abundance Scan 110 (3.726 min): 12475.D (-89) (-) m/z 49.10 100.00% 49 84

50001

• i ■ < ■ • f • 1 r> I

35,41 1 70 88 3.40 3.60 3.80 4.00 01 ’ I"’TOP1’1’STTOTTEUTTT Hmm + m/z 84.00 75.23% 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 84 5000 ■ • ■ i ■ ■ ■ 1 i • ■ ■ ■ i 1 ■ • ■ i ■ ■ ■ ‘ i 3.40 3,60 3.80 4.00 m/z 86.00 51.62%| 88

miz-> 0! ..... 14 18 24 2831 353841 I +2 70 T+ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 H Abundance #111039: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 34.72%|

2831 3538 43 152 57 88 67 71 77 niz-> 0l ’T i1" ‘ i11 “ । ■"!' '"111 ‘ 'I" i' l' fT Hii i ■ ।11"'11" "i ।' 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 3.40 3.60 3.80 4.00 m/z 47.05 18.54% 84 5000

46 /oh 2629 41 | 52 59 65 73 77 88 0- n}mmpupapmmmHhp—mgomHHH Ttuumnutpoouttgtturtt tme 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

12475.D 052202.M Thu May 30 10:43:25 2002 Page 4

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