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← Document results/DEP Box 12/GCMS X 2/1/02 A 2/27/02
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DEP GCMS data table, Jan-Feb 2002

Machine-extracted title · confidence 90%

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”

←Page 59 of 211→
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Scanned page image, NYC-WTC_000004993
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NYC 9/11 Public Portal Document

Library Search Compound Report

• Data File : C:\MSDCHEM\1\5973N\02FEB27\02383.D Vial: 4 Acq On : 27 Feb 2002 1:13 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 2 7, 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 7

R.T. EstConc Area Relative to ISTD R.T. 3.92 0.07 ug/L 27657 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Propane, 1,l-dimethoxy-2-methyl -... 118 C6H1402 041632-89-7 74 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H1402 000000-00-0 74 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 4 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 64 Abundance Scan 48 (3.916 min): 02383. D (-) m/z 75.00 100.00% 75

5000 55 87 43 47 I 1 1 1 1 1 1 1 1 1 I 71 3.60 3.80 4.00 4.20 m/z-> 5 ob mmmm 51 1 ■ i1" ■ 11'11 J 1 ■' 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ' i “ " I1 " i " " r ' m/ Z 87.00 33.81% Abundance #17844: Propane, 1,1-dimethoxy-2-methyl- $$ Isobutylaldehy... 75

5000 87 3.60 3.80 4.00 4.20 47 55 m/z 55.10 29.71% ob 431 59 ‘P1 *.......... .71. r " 11 ' ■ m/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

3.60 3.80 4.00 4.20 5000 m/z 47.00 16.17% 87 31 47 55 I 431 TIT 0- TIPWOuTTTT 71 59 — . ............ i " " r 1 'I11....... . V m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... ' 11 ‘ +t 75 3.60 3.80 4.00 4.20 m/z 43.10 11.83% 5000 87 15 55 27 31 47

m/z-> 0b 1 ■ i11 a " i" TTT 59 TgTT 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 mH 71 A /VAMA A W 1 1 'I ' ' ' ' I ' 1 ' ' I ' 11 ' I 1 11 ' 1 3.60 3.80 4.00 4.20

)2383 .D HP022102 .M Thu Feb 28 08:46:55 2002 Page 4

NYC-WTC_000004993

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NYC-WTC_000004993Source: 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

machine-extracted · confidence unavailable · Check page ↗
DEP GCMS data table, Jan-Feb 2002 · Box DEP Box 12

NYC-WTC_000003981

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

2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

machine-extracted · confidence unavailable · Check page ↗

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