GCMS analysis results for sample AE08688, April 26, 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\APR2202\8688.D vial: 10 Acq On : 22 Apr 2002 6:00 pm Operator: Sample : gc/ms scan 4/11 fb Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

8.18 7.38 ug/1 955219 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 Acetic acid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 33 3 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 17 4- Acetone - • ‘ 58 C3H60 000067-64-1 10 Abundance Scan 342 (8.183 min): 8688.D (-) m/z 42.95 100.00% 43

59 5000 1 i ■ ■ ■ ‘ i 1 ! 1 101 7.80 8.00 8.20 8.40 8.60 —384 +53+ OuBnB 69 83 —un/n—B/n/n/T m/z 59.00 50.92% mfz-> 10 20 301 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 - 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 21.05% 15 31 _ 101 I i 83 | ■ ■ i ■ 1 ■ ■ i ■ ■ ■ ■ i ■ • TTT । > i । > ri FTTBBndmmmdm——mTT /z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 ’ i 1 ■ • ' i 1 • ■ • i ■ • • ■ I ■ ' ' ' i ■ 7.80 8.00 8.20 8.40 8.60 5000 57 m/z 58.05 17.22% 101 15 27 1T ■ ■ ■ 1 i ■ ■ ■ 1 i 1 ■ ■ ■ i ■ ■ • • i ■ ■ ■ ■ i ■ ■ ■ i • ■ ■ ■ i ‘ ■ i ' ' ‘ ■ I ' ' ■ i ' ■ mfe-> 10 20 30 40 50 60 70 80 90 100 110 ._______ . Abundance #62572:2-Propanol, 2-methyl- 59 7.80 8.00 8.20 8.40 8.60 m/z 41.05 7.68% 5000 31 41

............... 26 ‘ ‘ i ■ • ■ ■ I 1 ■ 1 ■ i ■ ' psganl, ■ I ■ ■ ■ ' i ■ ■ ■ ■ i ■ ■ ■ • i ■ ■ ' ' i ■ ' ■ ■ i ‘ m/z—> 10 20 30 40 50 I60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

NYC-WTC_000048951