GCMS analysis results for sample AE03248, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03248 conducted on March 15, 2002.

NYC-WTC_000006146–000006165

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\03248.D Vial: 3 . Acq On : 1 Mar 2002 5:39 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 2 Propane, 1,l-dimethoxy-2-me... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 3.92 0.06 ug/L 27944 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 64 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 40 4 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 40 Abundance Scan 48 (3.916 min): 03248. D (-) m/z 75.00 100.00% 75

5000 87 55 ... / 1 1 1 ' 1 1 1 ' 1 1 I 1 1 1 i 1 1 1 ■ i ■ 1 43 47 , 71 84 3.60 3.80 4.00 4.20 0 n.... .......... .. ........ .. ----- ■' 1. > ■ 11'). 11 > i1 ■ I 11 m/ z 87.10 33.37% m/z-> 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 ■ ' I ■ 1 ■ ■ i ■ > ■ ■ i ■ > । ■ i 87 3.60 3.80 4.00 4.20 55 m/z 55.00 25.66% 31 43 । 2 47 59 71 0 1 ' I ' *' 1 I'' I 1111 । । । । । । ....................... .. .. ■ i1'', —TTT /z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75 A 3.60 3.80 4.00 4.20 5000 m/z 43.10 9.60% 87 55 29 41 47 59 71 0'I । ■ . - ■ । , I I I . 1 । I , .,,11,1,1,1........ " '11 " " I " " 11" 1 — ........... . m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... —' A a) /A/ A 1 'I 1 ‘ ' ■ | l r ■ > | ' | A" | 75 3.60 3.80 4.00 4.20 m/z 47.00 8.87%

5000 87

m/z-> 0 -31 4344 59 '111111 " " 11 ■ i ■ ■ • ■ i ■ 47 71 ‘ITT 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 55

- i1111 । ' I " " 11 "I""!" AAAAMMAAAAMMA 3.60 3.80 4.00 4.20

13248 .D HP022102.M Mon Mar 04 12:33:27 2002 Page 4

NYC-WTC_000006153

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NYC-WTC_000006153Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE03245, March 2002 · Box DEP Box 12

NYC-WTC_000006085

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03245 conducted on March 15, 2002.

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