GCMS sample preparation log, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC2101\LBB.D Vial: 36 Acq On : 22 Dec 2001 1 : 04 pm Operator: GALOS Sample : gems unknown 11/26 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 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.77 4.44 ng/uL 1204440 1,4-Dichlorobenzene-d4 11.79

Hit# of 5 Tentati ID MW MolForm CAS# Qual

12- Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 2-Pentanone, 4 —hydroxy-4-methyl - 116 C6H1202 000123-42-2 38 3 Acetic acid, l. 1-dimethylethyl este 116 C6H12O2 000540-88-5 28 4 3 - Hydroxy - 2 - p't tanone 102 C5H10O2 003142-66-3 9 Abundance Scan 319 (7.765 min): LBB.D (-) m/z 43.10 100.00% 43

59 5000

101

m/z-> ■ ■ । । ■ । । । i । > TInnktIB 10 20 30 40 50 60 +5 69 1 1 I 1 1 1 1 I TT I I | I > ! । 11 । I > pi 70 80 90 100 110 83 . | 7.40 m/z 7.60 59.10 7.80 8.00 50.17% 8.20

Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000- 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.63% i 27 49 .. | , 101 !i ! I 83 | r-^i-T-T-r-r-i-r-T-r-r-!-- Til ' i ■ ■ i ' | m/z->10 20 30 40 50 60 70 80 90 100 110 Abundance #64275; 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 8.00 8.20 5000- m/z 58.10 15.13% 59

15 31 . 101 83 ।

..... 4 i ■ ■ ■ ■ i m/z-> 10 20 30 40 50 60 70 80 90 100 110 'Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 7.40 7.60 7.80 8.00 8.20 m/ Z 41.10 7.32% 5000 57

101 15 । ■ ■ । ■ • • ■ । 27 ■ ■ • i ■ ■ 11T+ ■ ■ i ■ ■ . y. . . , । t , , , , r-r-Tr-rT-j-r-r-r-T-j-n m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

LBB.D NP112701.M Fri Dec 28 09:10:53 2001 Page 1

NYC-WTC_000035348