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\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 6 2-Butenal, 3-methyl- (CAS) ... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 4.84 0.29 ug/L 138851 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 68 2 2-Butenal, 3-methyl- $$ Crotonal. . . 84 C5H80 000107-86-8 68 3 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 59 4 2-Butenal, 3-methyl-_______________ 84 C5H80 000107-86-8 58 Abundance Scan 130 (4.841 min): 03246.D (-) m/z 84.00 100.00% 84 55 5000 41

50 । 103 4.40 4.60 4.80 5.00 5.20 0 1' ।"1111"11" " i1"11 MM — m/z 55.10 60.10% n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55 __ 5000 39 N.............. . 27 4.40 4.60 4.80 5.00 5.20 m/z 83.10 53.26% 44 69 0 ' ■ i" " i ■ " 11"11111 -HH ................... ............................... niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #3222:2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55 4.40 4.60 4.80 5.00 5.20 5000 39 m/z 59.00 50.55% 27

44 69 Of 1 r r' " r TTT i111' i1 - " " i " "i " " I" " I " " I" 1 m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #3375:3,4-Dihydropyran $$ 2H-Pyran, 3,4-dihydro- (CAS) $$... ......... A ..... . 0. 55 4.40 4.60 4.80 5.00 5.20 84 m/ z 41.10 45.35%

5000

41 69 0 " i" ■ ■ i"1 ■ i" " i ■ —H50 | ' " i " " i" 11111" I" " I I " " I " 111"1111" 11" " I n.... A.N 4/ W I y A . , n/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 4.40 4.60 4.80 5.00 5.20

3246.D HP022102.M Mon Mar 04 12:33:13 2002 Page 8

NYC-WTC_000006116

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NYC-WTC_000006116Source: NYC Law Department, mirrored locally

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