GCMS analysis results for sample AE03246, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03246 conducted on March 15, 2002.

NYC-WTC_000006105–000006125

Folder label: “GCMS X 2/12/02 A 3/01/02”

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NYC 9/11 Public Portal Document Library Search Compound Report . Data File: C: \MSDCHEM\1\5973N\02MAR01\03246.D Vial: 1 Acq On : 1 Mar 2002 4:00 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 1, 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 3 2-Butenal, 2-methyl- Concentration Rank 12

R.T. EstConc Area Relative to ISTD R.T. 3.99 0.08 ug/L 40305 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# ual 1 2-Butenal, 2-methyl- 84 C5H80 001115-11-3 86 / 2 2-Butenal, 2-methyl-, 3 2-METHYLBUT-2-ENAL 4 2-Butenal, 2-methyl- $$ Crotonal... (E)- 84 84 84 C5H80 C5H80 C5H80 000497-03-0 000000-00-0 001115-11-3 80 88 Abundance Scan 55 (3.995 min): 03246. D (-) m/z 55.10 100.00% 55 84

5000 41 --—A 3.60' ' 3.80 207 4.00 4.20 4.40 0 । ■1" i1 H i" " i1 ‘'11" " r "' i " " i" " i" " i" " i " " i " ‘11" " i" " i " ■ m/z 83.95 94.86% m/z-> 20 30 40 50 60 70 80 90 100110120130140150160170180 190 200 210 Abundance #3219:2-Butenal, 2-methyl- 55 84

5000- 29 3.60 3.80 4.00 4.20 4.40 m/z 41.10 28.40% 44 | , | m/z-> Ot -H 1 1 I 1 ' 1 ' I 1 1 1 1 1 1 1 " I " " I 1 1 “ 1 1 ‘ " r ' ' 1 I H " I ' " 1 I T’7 | i r i < | 1 i | I [ i I I 20 30 40 50 60 70 80 90 100110 120130140150160170180190 200 210 Abundance #3211: 2-Butenal, 2-methyl-, (E)- 55 84 AAA. -4 3.60 3.80 4.00। 4.20 4.40 5000 27 m/ Z 53.10 16.49%

m/z-> +444111.,.66. 1 1_______________________________________________________________ nT-nT-rTTTTTTpnTnyTTTnyrTTTTTTTTpTTn-^^ 20 30 40 50 60 70 80 90 100110 120130140150160170180190200 210 Abundance #3298: 2-METHYLBUT-2-ENAL 55 84 3.60 3.80 4.00 4.20 4.40 m/z 83.00 12.70%

5000 39

m/z-> 0 TPTTTTTT HlR ii 111 * । ‘। “1 'F" ■ i ■"11111' i1H ■ ij 20 30 40 50 60 70 80 90 100110 120130140150160170180 190 200 210 _____ । । ‘"1 ]1 h 1111111! 1111111 3.60 3.80 4.00 4.20 4.40

)3246.D HP022102.M Mon Mar 04 12:33:13 2002 Page 5

NYC-WTC_000006113

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NYC-WTC_000006113Source: NYC Law Department, mirrored locally

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