GCMS analysis results for unknown compounds, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\060702\12736.D Vial: 12 Acq On 7 Jun 2002 5:32 pm 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 5 Methylene Chloride Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 3.90 0.75 ug/L 525955 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 7 2 Methylene Chloride 84 CH2C12 000075-09-2 7 3 Methylene Chloride 84 CH2C12 000075-09/2 7 4 Methylene Chloride 84 CH2C12 000075-09-2 7 Abundance Scan 141 (3.908 min): 12736.D (-139) (-) m/z 49.10 100.00% 49

5000 86

36 42 ' ■ ■ i ■ ' ■ ■ i ■ ' ■ ■ i ■ ' ■ ' i ■ ■ ■ ■ i

82 3.60 3.80 4.00 4.20 01 i" " i " " i' ■ •' i “ ‘' i ■" ■ i “ ‘1 r'' m/z 86.00 47.03% nz-> 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 5000 ■ ■ ■ । • ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ‘ । 3.60 3.80 4.00 4.20 m/z 84.00 44.55% 2831 3538 43 |, 152 57 88 67 71 77 In—ummmmmmommmonmmpr 0 Hhynp iz-> 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 ' ' ■ i ‘ 3.60 ' ■ i ■ ■ ■ ■ i ■ ■ ■ ' i ■ ■ ■ ■ i 3.80 4.00 4.20 5000 m/z 47.00 41.83%

88

n/z-> 14 18 24 2831 353841 +2 0 TTT n 111 11 111 TTrr 11 j i j 111 j j 111! । j H 1111 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■ i ■ ■ ■ ■ i ■" ■ i 70 r-rp-r T H "I"'

Abundance #111040: Methylene Chloride ' 1 1 1 1 1 1 1 ' I ' ' ' ' 1 1 1 1 1 1 1 1 ' ' I 49 3.60 3.80 4.00 4.20 84 m/z 88.00 28.47%

5000

35 88 .P**PMh n/z-> 0 14 +52+1 ■ 1 2528 32 .3841 ■■■i "'ll ■■ TPTTTHMH 70 --- 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1 1 i 1 1 1 1 i 1 1 1 1 i 1 1 1 1 I 1 1 1 1 i 3.60 3.80 4.00 4.20

12736.D 060302.M Mon Jun 10 11:23:18 2002 Page 8

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