GCMS analysis results for sample AE01142, Feb 2002

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Laboratory report documenting GCMS analysis of sample AE01142 conducted on February 27, 2002.

NYC-WTC_000003523–000003542

Folder label: “GCMS X 1/20/02 A 2/25/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02FEB25\01142.D Vial: 8 Acq On : 25 Feb 2002 5:01 pm Operator: , . Sample : 508 scan Inst : Instrumen Mise : February 25, 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 Propane, 1,l-dimethoxy-2-me... Concentration Rank 10

R.T. EstConc Area Relative to ISTD R.T.

3.94 0.08 ug/L 32748 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 78 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL. .. 118 C6H14O2 000000-00-0 43 4 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 9 Abundance Scan 50 (3.938 min): 01142.D (-) m/ z 75.00 100.00% 75

5000 87

7143 47 55 ....... N3.60 )......... 3.80 4.00 4.20 51 ob 11" 11 r 1 ■11 ■1 " i TITTT mmmmPP— ........ . " i " " i " m/z 87.10 46.09% miz-> 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- 75

5000 1 1 i ' ■ ' ' i 87 3.60 3.80 4.00 4.20 55 m/ z 55.10 27.02% 31 59 2 47 71 0b 11 r 1" i' " ' i " '' r " 11' " ..... ............. ......... 'I1'" ..... n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75

3.60 3.80 AA.. I ' ' ' ■ I ' ' 1 ' I 4.00 4.20 5000 m/z 47.10 21.14% 87 15 55 27 31 47 59 71 ob 1' i" HHH 'I" 111" " 11" 1 J " '

w A M’ermiwyww .............. 'I’ n/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 3.60 3.80 4.00 4.20 m/z 45.10 8.03%

5000 87 55 59 29 71 41 47 "I....................................... 111111! 11 111! 1111111 i, । 111 0b " ■' I ■ ■ > ■ I ■" ■ 11" ■ i'.. 11 1 ■ i '■■■!" 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

01142.D HP022102.M Tue Feb 26 08:30:34 2002 Page 5

NYC-WTC_000003531

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