GCMS analysis results for sample AE10702, May 20 2002

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Gas chromatography-mass spectrometry report for sample AE10702 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045761–000045777

Folder label: “GCMS X 5/3/02 A 5/13/02”

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NYC 9/11 Public Portal Document

■Data File : C:\MSDCHEM\l\DATA\020513\10702.D Vial: 13 Acq On : 14 May 2002 12:24 am Operator: Nefliu Sample : sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title Method 508 GC/MS Scan Library C:\DATABASE\nist98.1 Peak Number 4 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.16 11.44 ug/1 1022390 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 28 4 Acetic acid, cyano-, 1,1-dimethy... 141 C7H11NO2 001116-98-9 17 Abundance Scan 524 (6,158 min): 10702.D (-520) (-) m/z 43.10 100.00% 43 59 5000

101 ...............A....... -........... I I I I I I I [ ( I I I I CTyd I I I I I

580 6.00 6.20 6.40 6.60 .................... 38 1) +48,53 Ti । iIiiIIIrqIIII|r 67 83 f ' ' 1 • r1 ' ' 1 1 1 ‘ ' ' I ' m/z 59.10 59.52% ti/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ' 1 । 1 । । j । । । । । ' । 1Ti । । । । । 59 580 6.00 6.20 6.40 6.60 m/z 101.05 20.41% 15 101 2671,38,1 +53+ | । i i I | I | I | [ 83 | ' I i i | f , I i “i " T | I — I T

m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 48

580 6.00 6.20 6.40 6.60 5000 59 m/z 58.05 20.07%

,,....... 26,31 38, ............. . 92 83 93 101 — t " ' I ■ 1 ■ ‘ I 1 ■ I I I ■ ■ ■ 1 I I n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109590: Acetic acid, 1,1-dimethylethyl ester ‘11‘1‘III‘III ICCBBTTT 43 580 6.00 6.20 6.40 6.60 m/z 41.05 7.97% 5000 57

29 101 15 IIIBII , 1,1, -39, tI 51 . . 73 1 I'1 1 ■ 1 i ■ 1 ■ 1 i ' ' ' ■ i ■ । 1 1 r1 1 1 ' 1 1 TTTTTfr TTTTTT m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40 6.60

10702.D SCAN020507.M Wed May 15 08:44:07 2002 Page 6

NYC-WTC_000045770

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