GCMS sample AE12743 results, June 10 2002

NYC 9/11 Public Portal Document Llbrary aearen compound Report Data File C:\MSDCHEM\l\DATA\060602\12761 .D Vial: 7 Acq On 6 Jun 2002 4:11 pm Operator: McLean Sample 6/3 eh 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 9 Krypton Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T.

4.00 0.81 ug/L 536717 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qu.

1 Krypton 84 Kr 007439-90-9/7 2 Methylene Chloride 84 CH2C12 000075-09-2 7 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 Methylene Chloride 84 CH2C12 000075-09-2 2 Abundance Scan 157 (4.002 min): 12761.D (-155) (-) m/z_ 84.00 100.00% 84 49

5000 35 ' i ' 1 ■ ■ i 1 ' 1 1 1 1 ' 1 ITTu 87 3.60 3.80 4.00 4.20 4.40 0! ■ ■ i ■" ■ ।" ■ ■ i11 ■' i ■ ■ • ■ i ■ ■ 38 43 1...... -H 57............................. | ’111111111000110010111111333717 m/ z 49.10 78.57% vfz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33829: Krypton 84

5000 11*11’11’1’14’1 'T1”1 3.60 3.80 4.00 4.20 4.40 42 m/z. 86.00 39.80% 80 01 ’II’2’*I’’’’A*’’’ITT’’-d!’* ■ ■ 111!■। ■1111 “ “ 11 >i> ।1 ■।' । >11 r|> i' 111 ■''|' ■ ■■ i ■ ■ “ i ■ ■■ niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84 3.60 3.80 4.00 4.20 4.40 5000 m/z 48.10 32.91%

mfz-> 14 2528 32 38441 Of mpHHp .. (.... |. .1 1 | H 1 1 1 F1 l | H 35 70 88 42 11»t nr. । _*Aamsy 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 419 3.60 3.80 4.00 4.20 4.40 m/z 35.10 25.38% 84 5000

46 2629 41 | 52 59 65 73 77 88 0- i i'jti . i । i . i . । ।. i. । i. i . । il. I । . .. 11 । rTrj 111 f 11 I TTpumumOgmm Imp n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80’ 4.00 4.20 4.40'

12761.D 060302.M Mon Jun 10 10:25:16 2002 Page 12

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