GCMS analysis results for sample AE00472, Feb 26 2002

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Laboratory report detailing GCMS scan results for sample AE00472, including detection of unknown compounds and surrogate recovery data.

NYC-WTC_000052271–000052290

Folder label: “GCMS X 1/11/02 A 2/7/02”

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NYC 9/11 Public Portal Document Library searen Lompoul

-Data File : C:\MSDCHEM\l\5973N\02FEB07\00472A.D Vial: 3 Acq On : 7 Feb 2002 12:42 pm Operator: Sample : 508 scan re-ext. Inst : Instrumen Mise : February 7, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\HP020702.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 5

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

3.62 0.17 ug/L 75218 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 72 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 72 Abundance Scan 22 (3.625 min): 00472A.D (-) m/z 74.10 100.00% 43 74 A 5000 59 87 V my r ■ ■ ■ r ■ ■11" 111 ■

m/z-> 0- 10 m 449— 20 30 40 50 ■ I 1 60 80 ■ ■ ’ i ' 70 90 100 110 3.50 3 60 3.70 3.80 3.90 4.00 m/z 43.10 ) 89.87% Abundance #9220: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 5000 15 27 TA AA ..... A....... A I 1 1 1 1 1 1 1 1 ' I' 1 1 1 1 1' 1 ' I' 3.50 3.60 3 70 3.80 3.90 4.00 59 m/z 71.10 63.57% 87 33 0- ———————————— 44 Ti > । » 1 1 ■ । 1 | 102 niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 ■11'1 M 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z87.00 30.61% 59 87 A 33 102 o1 i ■ ■ ' ■ i ■ ■ ■ ' i ■ ' ■ ■ i ——— 17174 * ’ " I*+1 ’ 1 I ' ' ’ 1 i 1 1 ' 1 r1 ' 1 1 I m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9217: Butanoic acid, methyl ester ‘ TT TT 43 74 3.50 3.60 3.70 3.80 3.90 4.00 m/z59.00 26.64%

5000 27 59 87 33 1 102 0J ■ ■ i • > > < i • ■ • • t > ■ > • ■ > । I 1,1 1 1 1 1 ' r u T ym-rp-my-rmy T‘ m/z-> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

00472A.D HP020702.M Thu Feb 21 09:57:53 2002 Page 3

NYC-WTC_000052277

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