GCMS sample AE12761 results, June 10 2002

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Gas chromatography-mass spectrometry analysis report for sample AE12761 detecting unknown compounds and surrogates.

NYC-WTC_000015439–000015463

Folder label: “GCMS X 6/3/02 A 6/6/02”

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NYC 9/11 Public Portal Document Llbrary searen compound Report

Data File C:\MSDCHEM\l\DATA\060602\12762.D Vial; 8 Acq On 6 Jun 2002 5:00 pm Operator: McLean Sample 6/3 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 8 Butanoic acid, 2-methyl-, m. . Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T.

4.52 1.26 ug/L 900640 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 25 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5/9 3 1-Propanol, 3-mercapto- 92 C3H80S 019721-22-3 9 4 Butane, 2-isothiocyanato- 115 C5H9NS 004426-79/3 9 Abundance Scan 245 (4.519 min): 12762.D (-243) (-) m/z 88.00 100.00% 41 88

57 5000 47 35 101 83 4.20 4.40 4.60 4.80 Ol ■ i . . . . i . JI1.1!1—- 4+—" ■ --------T4 i ■ ■ ‘ ■ r1 1 1 1 I ■ ■ ■ ■ i ‘ ■ m/z 41.10 89.50% m/z-> 20 30 40। 50 60 70 80 90 100 110 120 Abundance

29 #17382: Butanoic acid, 2-methyl-, methyl ester 57 88 MWwaotto. 41 5000 ■ ■ ■ i ' ■ 1 1 i 1 ' ' 1 I 1 1 1 ' I ' 1 1 ' I 4.20 4.40 4.60 4.80 101 m/z 57.10 58.56% 69

niz-> Ot ‘ i ‘ ‘ 20 IT' i IlH+4511 30 40। 50 60 +---4l 70 80 90 'i ■ ■ ■ ■ । 1 1 1 1 i 1 ■ ■ ■ । 100 110 120 ■

Abundance #112664: Butanoic acid, 2-methyl-, methyl ester 57 88 41 AMAA ■ ■■ f■■■■।' i‘ ■ ■ 1 1 1 ' 1 1 i 4.20 4.40 4.60 4.80 5000 m/z 86.00 53.20%

101

nfe-> Abundance 0- .......... 20 30 I40+1,1, ,51, 50 60 .97.,. 70 80 90 I 116 +1 »1 j ' ‘ ' 1 I 1 1 ' * 7 ’* 1 * 1 l 1 1 100 110 120 #1060:1-Propanol, 3-mercapto- • ■ • i ' ■ ■ ■ i ■ ■ ■ • i • • ■ ■ i • ■ ■ ■ i 31 41

"o 4.20 4.40 4.60 4.80 58 m/z 47.00 40.87% 92 5000 46 74

m/z-> 0 1 I ■ ■ 20 — 30 w 4 +533.1163.69,1479, 40 50 60 70 80 87 ■ ‘ r1 —TTi i । । । । i i > । i । 90 100 110 120 ■ ‘ i ■ ■ • ■ I 1 ‘ 1 1 I 1 1 1 1 1 1 ' 1 1 I 4.20 4.40 4.60 4.80

12762.D 060302.M Mon Jun 10 10:26:40 2002 Page 11

NYC-WTC_000015454

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NYC-WTC_000015454Source: NYC Law Department, mirrored locally

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