GCMS analysis results for sample AE01508, Mar 2002

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Analytical results for sample AE01508 analyzed via GCMS on March 4, 2002, including surrogate recovery data.

NYC-WTC_000009966–000009985

Folder label: “GCMS X 1/23/02 A 2/21/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report . Data File : C: \MSDCHEM\1\5973N\02FEB21\01507.D Vial: 4 Acq On : 21 Feb 2002 1:24 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 21, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1. . .\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T.

4.97 0.06 ug/L 31606 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 7 2 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 7 3 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 7 4 Furan, 2,3-dihydro-4-methyl-84 C5H80 034314-83-5 5 Abundance Scan 141 (4.966 min): 01507. D (-) m/z 128.90 100.00% 84 129

41 48 5000 55

4.60 4.80 5.00 5.20 5.40

miz-> 0- ■ । ■1 ■ ■ । ‘ 20 30 + 501 । ■ 40 । ■ ‘ 1 i * • i * • * * i • ■ • i ■ ■ ■ ■ i ■ ■ 1 ■ i ■ ■ 1 ■ i ■ • ' • i • ■ m/z 83.95 83.21% 60 70 80 90 100 110 120 130 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 55 84 MyWW 5000 39 1 I • ■ 1 ■ i ■ ■ 1 ■ i ■ ■ ■ ■ i ■ • ■ • i ■ 27 4.60 4.80 5.00 5.20 5.40 m/z 126.80 63.51% 69 0 ..... p ■ 111 n, ■ pj. - 1 mfz~> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3224:2-Butenal, 3-methyl- 84 ....................... ......... .............. 4.60 4.80 5.00 5.20 5.40 5000 41 55 m/z 48.00 53.42%

69 0--PP +rri ■ rh r ■ . . j | j_______________________________________ ■ ■ i ■ ■ ■ ■ i 1 ■ ■ ■ I r 1 ' ' I 1 1 ' ' 1 ' 1 m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal 84 4 60 4.80 5.66 5.20 5.40 55 m/z 43.00 53.14% 5000 39 27

I 69

/z—> 0 —— 20 30 40 50 i,Ill... 60 01 70 80 j_________________________________ ‘ ■ i ■ ■ ■ ■ i ■1 ■ ‘ i ■ ■ • ■ i ■ ■ ■ ■ i ■ ■ 90 100 110 120 130 4.60 4.80 5.00 5.20 5.40

01507.D HP022102.M Mon Feb 25 10:54:50 2002 Page 6

NYC-WTC_000009975

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NYC-WTC_000009975Source: NYC Law Department, mirrored locally

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