GCMS analysis results for sample AE11928, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052302\11928.D Vial: 8 Acq On : 23 May 2002 3:40 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 1 Methylene Chloride Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T.

3.71 1.91 ug/L 1392970 1,4-Di chlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 91 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 90 4 Methylene Chloride 84 CH2C12 000075-09-2 90. Abundance Scan 107 (3.708 min): 11928.D (-93) (-) m/z 49.10 100. 49 84

5000

‘ ‘ i ■ • ■ ■ i ■ ■ ‘ ■ i 1 ' ' 1 i 1 1 1 1 I

miz-> 5 01 35,841 i 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 58 •1 • i ‘'i •' “ i‘'" i““i T + 88 m/z 3.40 3.60 84.00. 3.80 4.00 67.96% Abundance #111039: Methylene Chloride 49 84 5000 ■ ■ ■ i ■ ■ ■ • ।' । ‘ ‘ । ' i 3.40 3.60 3.80 4.00 m/z 86.00 48.87 88

mfz~> 5 2831 3538 43 01TTTTTTTpT-1-rp-rTTyrr^^ 57 ,352uumgm 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 67 71 77 . —mmmmmgmommpoft H Abundance #12327: Methylene Chloride 49 84 ' ' 1 ■ ' ■ ‘ I ‘ ‘ 3.40 3.60 ■ I 1 1 1 1 I 1 1 1 1 I 3.80 4.00 5000 m/z 51.10 33.16% / 88 mfz-> 01 —— ———14 — 24 2831 353841 18 — 70 TIEPBBgmmmmmpmgH t 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 +2 H Abundance #111041: Methylene Chloride ‘ ‘ ' I * ‘ ' I ‘ ‘ ‘ I ' ' 1 ' 1 1 1 ' ' I 49 3.40 3.60 3.80 4.00 m/z 47.05 ' / 17.36. 84 5000 "WWWow) 46 2629 41 I $2 59 65 73 7788 m/z-> 0- T > | . 1 . 1 | . . ! > | , 1J I | I , , .p” 1 f | > 1 . > | , . ( > | | I | | | | Tmmmmmgoupt 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Hrvyairmni 3.40 3.60 3.80 4.00

11928.D 052202.M Wed May 29 09:48:45 2002 Page .4

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