GCMS analysis results for sample AE03185, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03185 conducted on March 15, 2002.

NYC-WTC_000006065–000006084

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

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02MAR01\03185.D Vial: 5 • Acq On : 1 Mar 2002 1:38 pm Operator: .Sample : 508 scan Inst : Ins t rumen 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 4 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 9

R.T. EstConc Area Relative to ISTD R.T. 3.93 0.07 ug/L 26322 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 <83 2 Propane, 1,l-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 74. 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0/9 4 Glycine (CAS) $$ Aminoacetic aci... 75 C2H5NO2 000056-40-6 4 Abundance Scan 49 (3.927 min): 03185. D (-) m/ z 75.00 100.00% 75

5000 87 55 A 41 47 I 1 ' 1 1 I 1 Tri I 3.60 3.80 4.00 4.20 0- ---51 1 ■ i" ■ • i ■11 ■ i" 84 1111"11" " i" " i" m/z 87.10 42.26% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75

5000 TIS-"—FTITSTITT1""I 87 3.60 3.80 4.00 4.20 55 m/z 55.10 28.62% 29 41, 47 59 71 Oh > ■ i ।।r■।■11[I>111■ । >' 11' 111 > 11 > 1' 11HTTTDT 1 ■ ... ............... m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 7$

3.60 3.80 4.00 4.20 5000 m/z 47.00 16.47% 87 55 .. 47

m/z—> ob mPmmgTTTT 5 31 444 59 71 ........ 111 ’"11'"' ......... I"' 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 t....... ‘I"

Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1 -Dimethoxyi... VA.AI.... ..4, 75 3.60 3.80 4.00 4.20 m/z 41.10 11.31%

5000 87 55 15 47 59 71 Oh ‘ " I " " TIPTT -H 1 ■■111" " 11 "I""!1' m/z~> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

)3185.D HP022102.M Mon Mar 04 12:32:59 2002 Page 6

NYC-WTC_000006074

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