GCMS blank analysis results for sample AE11410, May 22 2002

NYC 9/11 Public Portal Document Llbrary pearen compound Keport

Data File : C:\MSDCHEM\1\DATA\051702\0515LB.D Vial: 16 Acq On : 18 May 2002 1:49 am Operator: Mclean Sample : 5/15 eh Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST 9 8.L ********************************************************************* Peak Number 2 4-Penten-2-one, 4-methyl­ Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 7.73 0.36 ug/L 385827 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 9 2 Methyl l-methylcyclopropyl ketone 98 C6H10O 001567-75-5 9 3 2-Propanone, 1-cyclopropyl- 98 C6H10O 004160-75-2 9 4 5-Hexen-2-one 98 C6H10O 000108-49-9 9 Abundance Scan 791 (7.727 min): 0515LB.D (-787) (-) m/z __ 43.10 100.00% 43

5000 58 87 ■ ' ' I ' 1 ' ' 1 1 ' ' 1 1 1 1 ' ' I ' 1 1 ' I 98 7.40 7.60 7.80 8.00 m/z-> ol r "11" " Ir"' i" " i l 69 । ' r "i ■"1 r 1" r ■' ■ i ■ mmmm i5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 m/z 87.10 26.19% Abundance #110033: 4-Penten-2-one, 4-methyl- 40

5000 ■ ‘ ' i ' 1 —M i • 1 1 ■ i 7.40 7.60 7.80 8.00 28 83 m/z 58.10 24.20% 55 98

...........1l1,.1.,3%, HHlHmHTTT 11" " i" " i"'1 r "11 mlz-> Abundance 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 #5005: Methyl 1 -methylcyclopropyl ketone 43 WWWyww V™.. 7.40 7.60 7.80 8.00 5000 m/z 59.10 14.58% 55 29 83 98 15 1,1111111,1111?^| 11 I | I ! I50 63 69 . 77 | || 01 TTT 7|11 11 i, I ■ r "' i1' ■111 ■" i1i1111 r "1111" r'1' r1111" " m/z-> !5 10 15 20 25 30 35 40 45 ■ 50 55 60 65 70 75 80 85 90 95 100105 Abundance। #5149: 2-Propanone, 1-cyclopropyl- ■ r ■ ■ i 1 ■ ■ - । 43 7.40 7.60 7.80 8.00 m/z 41.10 13.97% 5000

55 27 83 98 50 . , 69 o . .....। । । । . ... Tfdnnn pr-n । i . 111 THTTTTTT n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105

0515LB.D 050102.M Tue May 21 16:00:04 2002 Page 5

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