GCMS sample analysis report AE08483, May 7 2002

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Gas chromatography-mass spectrometry results for sample AE08483 including surrogate recovery data.

NYC-WTC_000048623–000048634

Folder label: “GCMS X 4/10/02 A 4/20/02”

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Data File : C:\MSDCHEM\1\DATA\020419\08482.D Vial: 19 Acq On : 20 Apr 2002 1:51 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020418.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.16 12.87 ug/1 17753100 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 72 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 3 Acetic acid, cyano-, 1,1-dimethy... 141 C7H11NO2 001116-98-9 17 4 Morpholine, 4-methyl-101 C5H11NO 000109-02-4 9 Abundance Scan 524 (6.158 min): 08482.D (-515) (-) m/z 43.10 100.00% 43

59 5000

101 ' ' i ‘ ■ I 1 i* ' I ' 1 5.80 6.00 6.20 6.40 6.60 364/11.51.1 1sst69’ttt*’183’vasact--atow*q4s**A8***1| m/z 59.10 51.54% niz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 40

5000 59 ’I*I’***1* IUTT" 11111 5.80 6.00 6.20 6.40 6.60 m/z 101.10 21.10% 15 31 101 ' ' l ' 1 1 ‘ —4450 — | ‘ | | 83 | .I ‘ । । |'l I M | 1 I > 1 | > > 1 I | I > H | I 1 1 I |

miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 40 ' ‘ I ‘ ‘ ‘ ' I ' ‘ ‘ ‘ I • ‘ । । ‘ | । 5.80 6.00 6.20 6.40 6.60 5000 59 m/z 58.10 19.41%

31 62 . 101 TTT+ 'I ■ ■ ■ ■ i ■ ■ ■■i83 93 | •'•■i1'1' 1111' 11111111111'1'111 " 'I iz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #19572: Acetic acid, cyano-, 1,1 -dimethylethyl ester 59 ' 5.80 6.00 6.20' 6.40 '' 6.60 m/z 41.15 6.99% 5000 41 68

■' i ■ • ■ ■ i' ■ ■ ■ i ■ ■ ...59.1 ......................... 126.... 142 TTmmTT iz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 5.80 6.00 6.20 6.40 6.60

08482.D SCAN020418.M Thu May 02 11:44:30 2002 Page 5

NYC-WTC_000048631

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GCMS analysis results for sample AE08488, May 2002 · Box DEP Box 27

NYC-WTC_000048660

Laboratory report documenting GCMS analysis of sample AE08488 conducted on May 7, 2002, by analyst DLV.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998