GCMS calibration analysis results, DEP Labs, Feb 2002

NYC 9/11 Public Portal Document

Library Search Compound Report • • Data File : C:\MSDCHEM\l\5973N\02FEB21\0123B.D Vial: 1 Acq On : 21 Feb 2002 10:46 am Operator: Sample : lab blank 1/23 Inst : Instrumen Mise : February 21, 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 2 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. 3.93 0.07 ug/L 32742 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual I ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 2 Propane, 1,1-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 64 3 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 64 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 Abundance Scan 49 (3.927 min): 0123B.D (-) m/ z 75.00 100.00% 75

5000 87 55 ' ■ i 1 ■ ■ ■ i ■ ■ ■ ■ i • • • ■ i • ■ ■ ■ । 45 207 3.60 3.80 4.00 4.20 0 ............ Ill ■ i" " i “ “ iI " T-rpr+r ‘ i"'' i" " i •" ■ i ■ •" i" " r ■" i ■" ■ i ■' ■ ■ i ■ ■" i • ■" i" ■' i" " i'" m/z 87.00 36.01% mfe-> 20 30 40 50 60 70 80 90 100110120 130140 150160170 180190 200 210 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75

5000 ■ ■ i ■ ■ ' ■ i • ■ i ' ■ 1 ■ i ■ ■ ■ ■ i 87 3.60 3.80 4.00 4.20 55 m/z 55.10 22.79% 29 45 fl-■p...it।. 1111 - । ‘ i ■"11" " i ‘ ‘ i ■"111 ■" i" " i ■ “ ■ i" " i ■ ■ ■ ■ i ■ “' i “1 ‘ I"111" " 111 r m/z—> 20 30 40 50 60 70 80 90 100110120 130140150160170 180190 200210 Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75 ' ■ i ■ ■ ■ ■ i ■ ■ !" i । । । । i । 3.60 3.80 4.00 4.20 5000 m/z 47.10 17.98% 87 55

0- 3147 PHptt i ■" ■ i “ ■ ■ i ■" ■ i “ i' ■ "i ■" ■ i" “ i “ ‘11 ■ ■ “ i “ “ i" " i "■ /z—> 20 30 40 50 60 70 80 90 100110120 130140 150160170 180190 200210 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 3.60 3.80 4.00 4.20 m/z 45.00 9.82% 5000 87 31 55 45 ----- Opaaviyeunij 1 ■ i" " i ■ ■" i" " i" " i “ • ■ i" " i ■ “ ■ i ■" ■ i ■1 ■ ■ i ■"11 ■1" I"'11" " 11"

m/z—> 20 30 40 50 60 70 80 90 100110120 130140 150160170 180190 200 210 3.60 3.80 4.00 4.20

0123B.D HP022102.M Mon Feb 25 10:54:36 2002 Page 4

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