GCMS reference analysis results for volatile organics, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\O6O7O2\12735.D Vial: 11 Acq On 7 Jun 2002 4:43 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 11 Methylene Chloride Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 4.51 1.14 ug/L 795160 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 46 2 Methylene Chloride 84 CH2C12 000075-09-2 43 3 Methylene Chloride 84 CH2C12 000075-09-237 4 Methylene Chloride 84 CH2C12 000075-09/2 37 Abundance Scan 244 (4.513 min): 12735.D (-240) (-) m/z 88.00 100.00% 57 83

49 5000

35 41 101 82

m/z-> 0 10 l ■ ■ ■ . ......... I ' II । ।

20 30 40 50 L -4.. ■ i ■ * 60 70 l 80 90 i ■ ' 1 1 i ■ ■ ■ ■ i 100 m/z 4.20 4.40 57.10 4.60 4.80 86.32% Abundance #111040: Methylene Chloride 49 84

5000 4.20 A 1 ‘i 11///1 114 111+4 I 4.40 4.60 4.80 35 m/z 49.10 58.97% 14 01 ... 28 hl, JI|l . ............. । । 1 * 1 1 । * 1 1 * । niz-> 10 20 30 40 50 60 70 80 90 100 Abundance #12327: Methylene Chloride 49 ■ ■ ■ i ■ ■ ■ ■ i • ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ । 84 4.20 4.40 4.60 4.80 5000 m/z 84.00 42.74%

14 24 29 35 41 miz-> Of ■ 1 i 10 1 1 I 1 1 ' 1'I'1 1 1,1 1 1 1 1 20 30 40 |l..... M/ —.................. 50 60 70 80 90 100 Abundance #111039: Methylene Chloride ' ■ ' i ■ ■ ■ 1 i ■ ■ ■ ■ i ■ ■ ■ ■ i 1 ■ ■ ' i 49 4.20 4.40 4.60 4.80 m/z 56.00 25.43% 84 5000

28 35 43 I , 57 71 77 89 0 • • i • • • > । ■ • » >■। i i’i'i j■ । 1 l‘ ■ 1 ■ i 1 1 1 1 1 1 1 1 1 1 1 TT3m i i i | । i r i । ' ' I ' ‘ ‘ rT 1 1,1 | । । ■ ' | । ''' | n/z-> 10 20 30 40 50 60 70 80 90 100 4.20 4.40 4.60 4.80

12735.D 060302.M Mon Jun 10 11:22:56 2002 Page 14

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