GCMS analysis result with unknowns, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV3001\26391.D vial: 7 Acq On : 30 Nov 2001 5:41 pm Operator: GALOS Sample : gc/ms unknown 11/3 Inst : GC/MS Ins Mise 2 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 9 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T.

7.86 4.64 ng/uL 2168670 1,4-Dichlorobenzene-d4 11.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methy1- 116 C6H12O2 000123-42-2 40 2 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 39 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 25 4 Acetic acid, cyano-, 1,1-dimethylet 141 C7H11N021 001116-98-9 17 Abundance Scan 329 (7.856 min): 26391 D (-) pm/z 43.00 100.00% 40

59 5000

101 i t i i । t I I l' TT I i T » i i i | i 1 : I 7.60 7.80 8.00 8.20

miz-> —10 ....20P--3+ 30 40 53 , t ' 1 14 50 70 69 83 ' I ' ' ' ' l ' ' ‘ ' i ‘ TT 80 90 I TT i IT 100 110 m/z 59.10 50.50% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 40

—i- s — 5000 59 7.60 7.80 8.00 8.20 m/z 101.05 19.42% 27 101

miz-> 10 20 | | 30 H 40 +49—+ 50 60 83 • l > • • • l •' • • ■ l 70 80 90 - 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 40 ■ • • • । • • ■ • । • • *i ।«> ■ • i * • •1 7.60 7.80 8.00 8.20 5000 59 m/z 58.10 17.13%

31 L I 73 83 ............... nfe-> Abundance 1 111111111117 TT 10 20 30 40 "g" 60 i ■ ■ ■ ■ i 1 ‘ 1 1 i ■ ■ ■ ■ i ■ ■ ■ 1 i ■ 1 ' ' i ■ 70 80 #64275: 2-Pentanone, 4-hydroxy-4-methyl- «) 100 110

40 7.60 7.80 8.00 8.20 m/z 41.00 6.97%

5000 59

15 31 — 101 ----- miz—> I ■ ■ i ‘ 1 ■ 10 1 • i ■ ■ ■ • i ■ ■ 20 30 TH t ' 11 ITT । T TIIBnmET 40 50 60 70 80 83 90 100 110 4= 7.60 7.80 8.00 8.20

26391.D NP112701.M Tue Dec 04 10:42:30 2001 Page 9

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