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_000004494–000004704

Folder label: “GCMS X 1/30/02 A 2/26/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\1\5973N\02FEB26\02017.D Vial: 5 Acq On : 26 Feb 2002 1:41 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 2 6, 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 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.06 ug/L 28437 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 72 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 3 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 64 4 Propane, 1,l-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 9 Abundance Scan 49 (3.927 min): 02017.D (-) m/z 75.00 100.00% 75

5000 87 47 33 1 1 । ' 1 1 1 i 1 1 1 1 i 1 1 1 1 i 1 ■ 1 1 i 41 51 3.60 3.80 4.00 4.20

m/z-> 0 —L 20 25 30 35 40 45 50 55 60 65 70 75 ‘ 11 ‘1' ■ I' 1 1 ‘ I'' 1' i11111" 1 1 i1 1 '1 i'' 80 85 90 95 m/z 87.00 36.06% Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75

5000 ' 1 I ■ ' 1 1 i ■ ■ 1 ' i 1 1 ' 1 1 1 1 1 1 i 87 3.60 3.80 4.00 4.20 55 m/z 55.10 23.37% 29 41 47 miz- > o1 f । ■ ■ ■ ■ । ■ > ■ 111 ■ ■ ■ । ■ 20 25 30 35 -H 59 71 1...... I ■ I 1 ] I I I I I > I < I I I I I I

40 45 50 55 60 65 70 75 80 85 90 95 ' ■ i' ■ ■ ' i ' 1

Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75 3.60 3.80 4.00 4.20 5000 m/z 47.10 18.20% 87 31 47 55 0-TTTTTT I 43 I "dlr 'I "'59ll ""I1 " 171 111 " — "I1"'I" m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyi- $$ Isobutylaldehy... I ' ‘ i < । । । i 70 3.60 3.80 4.00 4.20 m/ z 51.00 11.99% "" 5000 87 VNMV NAA NN 31 47 55

I 43 T-p-r 111159 71 01IPTTITTTTITTIPTT ' 11" " i' P 1 " ' I " " 11 ■ 1 i' ■ ■ ■ i 1 1 1 ' r1 1 1 i n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

02017.D HP022102.M Wed Feb 27 08:34:39 2002 Page 4

NYC-WTC_000004572

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

NYC-WTC_000004935

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