GCMS blank analysis results for volatile organics, May 2002

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\DATA\051302\0506LB.D Vial: 6 Acq On : 13 May 2002 3:33 pm Operator: Mclean Sample : 5/9 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.97 16.59 ug/L 14543000 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2 -Pentanone, 4-hydroxy-4-methyl- 2 2-Pentanone, 4-hydroxy-4-methyl- 3 2-Pentanone, 4-hydroxy-4-methyl- 116 116 116 C6H12O2 C6H1202 C6H12O2 000123-42-2 000123-42-2 83 000123-42-2 78 A 4 Acetone____ 58 C3H60 000067-64-1 32 Abundance Scan 492 (5.970 min): 0506LB.D (-485) (-) m/ z 43.10 100.00% 43

5000 59 101 560 5.80 6.00 6.20 6.40 48 53,, 67 83 m/z 59.10 32.77% or ........ r4+ I ' ‘ ' 1 1 1 1 1 1 1 1 1 ' ' i 1 1 i 1 1 ■ ' । 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 560 5.80 6.00 6.20 6.40 59 m/z 58.05 23.36% — 101 ■ ‘ ■ i i । I > ।2732 ............ i i । * । 38,1 48 53, 67 72 77 83 91 96, | Ol 1114 1i 1 |‘*‘f I 1 1 ' 1 1 1 1 ' 1 1 1 ' ■ ' i ' ' ' 1 i ' ' ' ' i ‘ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 m/z 101.10 12.45% 59

15 31 101 01 ,,,, ,r,,, 261,38; 11 53 , 111 t-fTntl 11 i'i'i'i 111'i'। 83 , | I 1 1 1 1 i 1 1 1 1 i 1'' 1 1 i 1 ■ ■ 1 i 1 ' 1 ■ 1 1 Tl/Z-> Abundance 10 20 30 40 50 60 70 80 #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 90 100 110 ...... K....... 560 5.80 6.00 6.20 6.40 m/z 41.10 5.75%

5000 59

83 93 191 •n/z-> 0 .........2631.38, —+ 10 20 30 40 50 60 70 80 90 100 110 - , - 119 5.60 5.80 6.00 6.20 6.40

0506LB.D 050102.M Tue May 14 11:31:59 2002 Page 6

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