GCMS analysis results for sample AE00328, Jan 18 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE00328 conducted on January 18, 2002.

NYC-WTC_000051206–000051221

Folder label: “GCMS X 1/8/02 A 1/10/02”

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NYC 9/11 Public Portal Document

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Data File : C:\MSDCHEM\1\5973N\02JAN10\00327.D Vial: 3 Acq On 10 Jan 2002 2:00 pm Operator: Sample : 508 scan ext 1/8 Inst : Instrumen Mise : January 10, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 2 Butanoic acid, 2-methyl-, m. . Concentration Rank 8

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

4.63 0.12 ug/L 38009 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 53 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 53 3 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 42 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 053955-81-0 33 Abundance Scan 110 (4.630 min): 00327.D (-) m/z 57.10 100.00% 41 57 88

5000 71 101 4.20 4.40 4.60 4.80 5.00 51 0- ■ ■ । ‘ । ■ 1 ■' i ■ ■1 ■ । ’ ' ■ T' ■ ■ ■ i ■ 1 ■ ■ I ■ ■ ■ ■ i ■ m/z 88.00 88.61% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16436: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88

5000 4.20 4.40 4.60 4.80 5.00 27 101 m/z 41.10 83.96% 69 116 33 O'. . । . < . ' । • < f ■ ■ ■ r i ■ ■ ■ ■ । ■ TTI i ■ i ■ ' ' 1 i ' 4 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16440: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88 — .0 A4.20 4.40 5000 m/z 43.10 50.03% 101 74 27 15 116 0- .......,... ....- ' 1 i 1 ■ ■ ' i ’ ' ■ ■ i ' 1 ■ 1....... 1 , T-T-p-r j_________ i ■ ■ ' ' i ' i 1 ' 1 ' i +r rmmort It Tl/Z-> Abundance 10 20 30 40 50 60 70 80 90 #16438: Butanoic acid, 2-methyl-, methyl ester 57 100 110 120 AAAAAAAA 88 4.20 4.40 4.60 4.80 5.00 41 m/z 85.10 44.71% A 5000

74 101 ■ ' | ■ • ■ > | • ' ■ < | ■ 1 ■ | ' 1 ■ | ' 1 । T | 1 1 1 1 '| •'। 1 1 | 1 1 0 4''i ■ ■ 1 ' । 1 ■ 1 1 । ■ ■ ■ ■ । 1 ■ ■ • i ■ ■ ■ ■ । m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 4.20 4.40 4.60 4.80 5.00

10327.D SCAN508.M Fri Jan 11- 10:08:16 2002 Page 4

NYC-WTC_000051213

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NYC-WTC_000051213Source: NYC Law Department, mirrored locally

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