GCMS blank analysis results for VOCs, May 6-10 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\MAY1002\LBA.D Vial: 13 Acq On : 11 May 2002 12:46 am Operator: Sample : GC/MS SCAN 5/6 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0510.M (RTE Integrator) Title : 209 625/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.

8.14 13.20 ug/1 1072260 1,4-Dichlorobenzene-d4 12.16

Hit# of 5 Tei tive ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 CH2=CHCH2C(O)OCH3 100 C5H802 003724-55-8 9 3 Acetic acid, 1,1 -dimethylethyl este 116 C6H1202 000540-88-5 9 4.Acetone______ 58 C3H60 000067-64-1 7 / Abundance Scan 339 (8.144 min): LBA.D (-) m/z 43.05 100.00% 43

5000 59

101 * 7.80 8.00 8.20 8.40 38 53 , 69 83 , | 1 i 1 1ia 115+ I 1 1 1 1 i 1 1 1 ■ i •'1 1 1 i ' 1 1 1 i 1 1 1 1 i ' m/z 59.10 41.90% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

___________ ____ _ ______ 5000 i i | i ! i i 1 । । ‘ ' 1 | 1 1 1 ' | 1

59 7.80 8.00 8.20 8.40 m/z 58.10 16.91% 27 101 11 — 49— • I ■ ■ 1 1 । 1 1 1 1 । 831'1 * 1 । । I1' 1 ' ' i ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43 7.80 8.00 8.20 8.40 5000 m/z 101.15 14.13%

58 72 100 0 1 I ' ' ' ' I 1' 1 'f—r 38— ■ • । । । ■ - 1** m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester l-7 43 7.80 8.00 8.20 8.40 m/ Z 41.05 6.82%

5000 57

101 15 27 I 11 i T । j“ i' I I I | i i > I | I i I । । । । । I | ■ i r I । i i I T- 1' T‘r‘‘[1‘i .Wt-, r . , 1 1 , m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40

LBA.D GCMS0510.M Mon May 13 12:47:37 2002 Page 1

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