GCMS analysis results for sample AE00101, Jan 2002

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Laboratory report for sample AE00101 documenting detection of unknown compounds and surrogate recovery on January 25, 2002.

NYC-WTC_000050370–000050383

Folder label: “GCMS X 1/3/02 A 1/22 - 1/23/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN23\00101.D Vial: 4 Acq On : 23 Jan 2002 . 5:25 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 22, 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 3 Butanoic acid, 2-methyl-, m. . Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 4.63 0.11 ug/L 35332 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 59 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 42 3 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 33 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 17 Abundance Scan 110 (4.630 min): 00101.0 (-) m/z 57.10 100.00% 41 57 83

71 5000- 101 i ■ ■ • 1 i ' ■ ■ ‘ i ■ • • ■ i ■ ■ 1 ' i ■ ■ ■ 4.20 4.40 4.60 4.80 5.00 0- ‘ 1 i • ■ 1 ■ i • 1 ■ ■ i 1 ‘ ■ ■ i ■ * • • । • ' 1 1 ' 1 ■ i 1 ■ • ■ i ■ ■ + । ‘ ‘1 ■ i‘ ■ ■11 ■1 ■•i■■ m/z 88.00 99.80% mfe-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16440: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88

5000 । * * • * । > * ■ < । * * ■ ' i ■ ■ ■ ■ i ■ • ■ 101 4.20 4.40 4.60 4.80 5.00 74 m/z 41.10 92.23% 15 27 116 0- ■ i ■ 1 I ■ ■ i ■ ........ I • i 1 • 1 • i 1 ■ • • i ' ■ i ■ ■ ‘ 1 i 1 1I * < । *1 1444′4 1 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16439: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 83 WAAN I ■ ‘ 1 • । • • • • । 4.20 4.40 4.60 • "TT" । > • । 1 । ' 4.80 5.00 41 m/z 71.00 61.37% 5000

101 69 0- • i ] r i • I | i l I ' J 11 fl l » j i i I | 1 I | ....... I........... I PPmm ' (' 1 ' 1 1 । 1 1 ■ । 1 11 N rnfz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16434: Butanoic acid, 2-methyl-, methyl ester $$ Butyric... r1 11 ' f’ T‘ 1 i '11' t 1′1148 57 88 4.20 4.40 4.60 4.80 5.00 m/z 85.10 59.61% 5000 27 101 69 0 11 r■11।•11111' - i ■ • ■ ■ i ■ • , 1,..... ‘r1 11 11111 rrr i ' • ■ ■ i 1 ■ ' ■ i • 1 ■ ■ i 1 ‘ 1/ A A l 1 1 ' 1 I • 1 ' 1 l 1 1 ■ * i • ' 1 L | ‘ 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 4.20 4.40 4.60 4.80 5.00

00101.D SCAN508.M Thu Jan 24 09:57:14 2002 Page 5

NYC-WTC_000050378

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NYC-WTC_000050378Source: NYC Law Department, mirrored locally

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