GCMS analysis result with unknowns, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV3001\26335.D vial: 17 Acq On : 1 Dec 2001 2:45 am Operator: GALOS Sample : gc/ms unknown 11/3 Inst : GC/MS Ins Mise 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 3 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.85 5.55 ng/uL 2496030 1,4-Dichlorobenzene-d4 11.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 2 Acetic acid. ,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 3 2-Pentanone, 4-hydroxy-4 -me t hyl - 116 C6H12O2 000123-42-2 25 4 Acetic acid/ cyano-, 1,1-dimethylet 141 C7H11N021 001116-98-9 25 Abundance Scan 328 (7.847 min): 26335.D (-) pm/z 43.00 100.00% 43 59 5000

101 7.40 7.60 7.80 8.00 8.20 ‘ 38 1 ■111»■ > t ■ TT T I TIBI +534+ 69 83 11 • i 1 1 1 • i ■ ' ft — । TI ■ m/z 59.10" 50.08% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 I ‘ 1 1 ‘ I ‘ ‘ 1 ■ l‘ ‘ 1 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.44% - ------27 + +49+ 83 — T T r ■ T .‘r 11 T . t — 101 mz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 4 T 7.40 7.60 7.80 8.00 8.20 5000 57 m/z 58.10 16.41%

mz-> Abundance

5000 15 I 271 1 ■ i 1 1 ‘ 1 i 1 ' 1 ‘ i ■ ■ 10 20 30 TT ■ ‘ ' I ‘ ‘ 40

43 50 60 101

1-T-T-r-r-r-r-r-T-T-r 1TT—111881801I 70 80 #64275:2-Pentanone, 4-hydroxy-4-methyl- 90 100 110

7.40 m/z 7.60 41.10 __ L 7.80 8.00 • •। 8.20 6.98% •

59

15 31 . 101 | I 83 | T t | i lit |-1 l | I I TTH r I I I I I' I MTTTrT miz—> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

26335.D NP112701.M Tue Dec 04 15:07:22 2001 Page 3

NYC-WTC_000031380