GCMS blank analysis results, sample AE12288, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report > Dat File : C:\MSDCHEM\l\DATA\052902\LB.D Vial: 4 Acq On : 29 May 2002 12:32 pm Operator: McLean Sample : gc/ms scan 5/24 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan ‘" Library : C: \DATABASE\NIST98 . L

Peak Number 13 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.93 9.45 ug/L 5669700 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 72 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 Abundance Scan 485 (5,929 min): LB.D (-480) (-) m/ z 43.10 100.00% 43

5000 59 1 "T""t rj ] i i 5 i । । TTTddna 101 5.60 5.80 6.00 6.20

m/z-> 01 .............. 10 20 30 31 40 53., —TH+ — 50 60 ———— 70 80 83 90 100 | 110 m/z 59.10 34.42% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ‘1***141/***** 59 5.60 5.80 6.00 6.20 m/ z 58.10 23.23% 15 V . 101 0! .. 26,1 , 38,1 +53+ I ■ ■ ■ ■ i ■ ■ ■ ■ i 83 ' i ■ — miz-> 10 20 30 40 50 60 70 80 30 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 -------- 5.60 5.80 6.00 6.20 5000 59 m/z 101.10 13.97%

93 93 101 . 01 ......... 2631 .38,140 t* -50I - 83 |

...... V....... I ■ ■ ■ ■ i ■ • ■ • i ‘ 1 ■ ■ i 1 1 • 1 i ‘ • ■ ■ i ■ m/z-> 10 20 30 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 m/z 41.10 6.32%

5000 59 101 0 .232 38,11 .11481 1 53,. 67 72 77 83 91 96, | 111 *n,n/n1/m/m/m)//mnd//n/—/—/I/n MPRPwwon__ PP\x=W=== ■ ‘ I ' ‘ I1 1 1 1 I ' 1 ' 1 I ’ ' 1■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

LB.D 052202.M Mon Jun 03 09:27:24 2002 Page 16

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