DEP GCMS data table, Jan-Feb 2002

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Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

NYC-WTC_000004935–000005145

Folder label: “GCMS X 2/1/02 A 2/27/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\5973N\02FEB27\02453.D Vial: 4 • Acq On : 27 Feb 2002 5:47 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 27, 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, 1,1-dimethoxy-2-me... Concentration Rank 8

R.T. EstConc Area Relative to ISTD R.T. 3.92 0.07 ug/L 26335 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 74 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 74 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 4 Butane, 1,1-dimethoxy- (CAS) $$ ... 118 C6H14O2 004461-87-4 9 Abundance Scan 48 (3.916 min): 02453.D (-) m/ z 75.00 100.00% 75

5000 87 A............................................. ........................................ ....

41 47 55 71 3.60 3.80 4.00 4.20 miz-> 01 5 H i ■11 ■ i ■'1. । - 1‘1‘* 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 m/z 87.10 32.69% Abundance #17844: Propane, 1,1-dimethoxy-2-methyl- $$ Isobutylaldehy... 75

........................ 5000 3.60 3.80 4.00 n 1) 1 Tm4.20 87 31 47 55 m/z 55.10 19.37% 71 0 I 43 i... ■ i " ■ ■ i. ■. ■ ।. 11 ■ i ■ । ■ ■ ■ ■ i.. I ■ | ■ l. 59 II’’ ..... - 1.. . i11" i " /z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90.95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75 A.. 3,60 A, .., 3.80 4.00 4.20 5000- m/z 47.00 16.53% 87 31 47 55 43, 59 71 01 ss - " i" ■ | 1 1 . I| . ................ ......... '"I1 m/z-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75 AAAAA 3.60 3.80 4.00 4.20 m/z 41.10 10.81% 5000 87 55 15 27 31 47

m/z-> 0b ■ • i ■ ■ '" i" '"11 n IIm - 59 1.... . 1 ■ i'1" i" 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 71 43.60 3.80 4.00 4.20

92453.D HP022102.M Thu Feb 28 08:47:22 2002 Page 5

NYC-WTC_000005074

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NYC-WTC_000005074Source: NYC Law Department, mirrored locally

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DEP GCMS data table, Jan-Feb 2002 · Box DEP Box 12

NYC-WTC_000004494

Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999