GCMS sample AE12762 results, June 10 2002

NYC 9/11 Public Portal Document Llbrary aearen compound Report Data File C:\MSDCHEM\l\DATA\060702\12764.D Vial: 4 Acq On 7 Jun 2002 11:02 am Operator: Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 12 Methylene Chloride Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 4.87 2.25 ug/L 1341470 1,4-dichlorob'enzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 56 2 Methylene Chloride 84 CH2C12 000075-09-2/43 3 Methylene Chloride 84 CH2C12 000075-092 43 4 Methylene Chloride 84 CH2C12 000075-09-2 43 Abundance Scan 304 (4.865 min): 12764.D (-303) (-) m/z 49.10 100.00% 49

5000 84

88 70 3538 42 4.60 4.80 5.00 5.20 ol " l""l 'I “ ” I ■' “ l‘1“ - i 52 ‘1 “ i1 ■ ■ ■ i “ ■' i " - +t ■ i ■ “ ■ r ■ m/z 84.00 47.90% m/z-> 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 4.60 4.80 5.00 5.20 46 m/z 51.10 29.83% 2629 | >2 59 65 73 77 41 88 0+T m fi, 111 n i. । ■ i urh 1111 ITTrr 11111111 IFr.’H 1111 [ >. 1 T| ■ ■ | .-I'. ■ 11111.11, > 1 11-'1 ■ i ■■ ■ ■ i ■ ■■ miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 4.60 4.80 5.00 5.20 5000 m/z 88.00 22.90%

88

m/z-> H 2831 3538 43 01 • • i • • • • i • ■ ■ ■ i ■ • > ■ i ■ > > < I • > • 1111 * * 1111 < ।"1 > I ■ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ,12 57 TTpmmTT 67 71 77 . "i‘"

Abundance #12327: Methylene Chloride 49 4.60 4.80 5.00 5.20 m/z 70.00 16.49% 84 5000

88 14 18 24 2831 353841 || fi 11111 < • 1111.1111170(> 111 p. j < 1111 0 TTITTTTTHTTTTTTTTTTTTT ]$2 - n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.60 4.80 5.00 5.20

12764.D 060302.M Mon Jun 10 10:30:03 2002 Page 15

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