GCMS analysis results for sample AE00248, Jan 2002

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Laboratory report listing unknown compounds and surrogate recovery for sample AE00248 analyzed on January 28, 2002.

NYC-WTC_000050558–000050576

Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”

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NYC 9/11 Public Portal Document Library search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN24\00248.D Vial: 4 ' Acq On : 24 Jan 2002 5:27 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 Butanoic acid, 2-methyl-, m.. Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T.

4.63 0.10 ug/L 50719 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 43 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 37 3 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 37 4 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 053955-81-0 37 Abundance Scan 110 (4,630 min): 00248.D (-) m/z 57.10 100.00% 57 71 88 41

5000 ....................... o. 101 49 4.20 4.40 4.60 4.80 5.00 T - 1■•i “ t •“ 11111111023002101971317 m/z 71.10 90.15% m/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #16438: Butanoic acid, 2-methyl-, methyl ester 57 88 41 5000' A i ’ ■ ■ ■ i ■ ' ■ AA 4.60 4.80 5.00 4.20 4.40 101 m/z 88.00 88.12% 74 69 m/z—> i ■ “' i ■1 ■' i ■ ■" i" " i T m 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 '1' i11' ■ i'111 + W “ ■ i' ■ ■ ■ i ■ Abundance #16441: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 83 57 . ..... A 4.20 4.40 4.60 4.80 5.00 5000i m/z 41.10 82.79% 41 29 101 69 - 11niji.11ji. i, ।. tr Hmm 1 ■ ■ i11 ■' i1 /z—> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 #16439: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 83 /.. , N 4.20 4.40 4.60 4.80 5.00 m/ z 39.10 52.51% 41 5000

101 69 — m/z—> t.... ।.... ।. ■,. ।...., ‘‘ I'''' I ‘' I II,. ,17173,1100 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 1m ‘ ‘11' ‘' ‘I' 4.20 4.40 4.60 4.80 5.00

00248.D SCAN508.M Fri Jan 25 10:26:10 2002 Page 6

NYC-WTC_000050567

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