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 1 P ull

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 2 Propane, 1,l-dimethoxy-2-me... Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.09 ug/L 42780 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

I Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 83 2 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 74 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 74 4 ISOBUTYRALDEHYDE, 7METHYLACETAL... 118 C6H14O2 000000-00-0 64 Abundance 49 (3.927 min): 03246. D (-) m/z 75.00 100.00%

JG« 7)5

YY, 5000 87 55 ■ 1 । r 1 1 ’ i 1 ■ 1 1 i 1 1 1 1 i 1 1 ' ' i — 51 71 3.60 3.80 4.00 4.20

n/z-> Ol 25 30 35 40 45 ln— 50 55 TTITTTTTTT "I " 60 65 70 75 80 84 । 85 11 ' -r-p-m-p-r 90 95 m/z 87.00 38.70% Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75

5000 87 .. .... v........ ' ' 3.60 1 1 1 1 I ' ' ' 1 I 1 1 ' 1 I ' ' 1 ' I 3.80 4.00 4.20 55 m/z 55.10 25.32% 31 43 । 47I 2 59 71 01 11111 11 1111 .....11111.. '11111111111111'111 l ■ ■ ■ l ■ ■ ■ ■ l-t 1111 '1111 1 m/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 ■ i ■ ■ ■ ■ । 1 AA 'i 1 ■ ■ 1 i 3.60 3.80 4.00 4.20 5000 m/ z 47.10 17.84% 87 31 47 55 71 Of ' 1 lTI " 1 I1 1 " I 1 " ' I "43 I 59 1 1 I ' ' T-p-T ' 11 " 11 " " I' -P H"I""I' i 1 1 ■ ■ i ■1 m/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 1 ■ i 1 1 ' ’ i ■ ■ ■ ■ i ' ' ' ' i 75 3.60 3.80 4.00 4.20 m/ Z 45.10 11.12% 5000 87 47 55 31

mmm 4341 59 71 0 T-p-f ' 11" 11 " " i' " 11 i " 1 PTyyuuit 1 ■ । ‘ ।' niz-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

)3246.D HP022102.M Mon Mar 04 12:33:13 2002 Page 4

NYC-WTC_000006112

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