GCMS blank analysis results, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC2 7 01\LBA.D Vial: 4 Acq On : 27 Dec 2001 1:06 pm Operator: 209 GALOS Sample : GC/MS SCAN 12/13 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 Acetic acid, 1,1-dimethylethyl Concentration Rank 4

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

7.76 0.52 ug/1 146717 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Acetic acid, ,1-dimethylethyl este 116 C6H12O2 000540-88-5 38 2 2 - Pen t anone 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 33 3 Formamide ,/N- formyl-N-methyl- 87 C3H5NO2 018197-25-6 9 4 1,3-Dioxoa.ane-2-methanol, 2,4-dimet 132 C6H12O3 053951-43-2 9 Abundance ” Scan 296 (7.758 min): LBA.D (-) m/z 4 .95 100.00% 43

5000 59 101 ..... ... _..... ‘ • i ■ 1 ’ r I 1 1 1 1 1 1 ' ' 1 1 1 1 1 ■ I 1 7.40 7.60 7.80 8.00 8.20 ■ ■ i ' ■ ■ ■ i ' • ‘ 1 i ‘ ■ 34440 +4 I 69 84 . * 1 ‘ 1 * * I 1 1 1 1 1 1 - m/ z 58.95 42.20%

W. m/z-> 10 20 30 50 ।60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43

5000 57 ' i1 ■ ■ I I I I I ITTruTndndmf 7.40 7.60 7.80 8.00 8.20 101 m/z 101.05 21.03% 15 27 ' 11 ’ rT V « I . I >■ I I1 I 1 ' 1 1 ' ' 1 I 1 ■ ■ • i • ■ ■ ■ i • ■ ■ ■ i ■ • ■ ■ i • ■ ■ ■ i Mz~> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentarone, 4-hydraxy.d-methyl 43 7.40 7.60 wH,....,. 7.80 8.00 8.20 5000 59 m/z 5 8.00 - 11.90%

31 101 73 83 ■ ■ i • ■ ■ 1 1 1 1 1 ' i 1 1 1 1 I ■ ■ ■ • i ■ • ■ ' i ' ■ ' ■ i ■ ■ ' 1 i ■ ■ ■ ■ i ' ■ - m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #742: Formamide, N-formyl-N-methyl- ' ' I ‘ ‘ I ‘ ‘ ‘ I ‘ ‘ ' I ‘ ‘ ‘ ‘ I ‘ 30 59 7.40 “" 7.60 - T 7.80 8.00 820 "/ Z 4 ‘ .05 8.86% 5000 42 i 87 . . ) ITF i i i 11" । irrTp' 1 • t ‘ ■ I ‘ 1 'T' ' ■ ri"4 ’IF i 1 ' ■ ■ i ■ ■ • • i ■ ■ 1 1 i ■ • • 1 i • • • ■ i miz-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

LBA.D GCMS1126.M Fri Dec 28 15:07:28 2001 Page 2

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