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\l\5973N\02FEB26\0130B.D Vial: 1 Acq On : 26 Feb 2002 10:17 am Operator: Sample : lab blank 1/30 Inst : Instrumen Mise : February 26, 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 5

R.T. EstConc Area Relative to ISTD R.T.

3.94 0.07 ug/L 34513 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 1,1-dimethoxy butane, dimethyl b... 118 C6H14O2 000000-00-0 9 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 Abundance Scan 50 (3.938 min): 0130B.D (-) m/z 75.00 100.00% 75

5000 87 55 43 47 3.60 3.80 4.00 4.20 .... ... ।11.. 111... 11111, j 111111111 71 oh -ITTTT ""I""!1 " i" " i" m/ z 87.00 35.81% m/z-> 5 10 15 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 1...... / .............. 87 3.60 3.80 4.00 4.20 55 m/z 55.10 20.40%

0- 31 59 43।47 71 TWTTTTPTTTTTTTTTT ..... 'I' "'ll"1 1111...... I"1' i " 111 i ■ " 11 " m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75 i 1 ’ ■ ■ i ■ ' ' ' i 3.60 3.804.00 4.20 5000 m/ z 43.10 13.66% 87 55 29 41 47 59 71 Oh TTTTTTMTTHTIMTTTT I I I I I I I I I j I l-l I I I I I I 1" ' i " " ir m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17907: 1,1-dimethoxy butane, dimethyl butyral 75 /MAm 3.60 3.80 4.00 4.20 45 m/z 47.00 13.32%

5000 87 15 27 31 A

59 71 0b ■ ■ i" 1' i" " i1 Tt Frti, ■ > । . i. ■ ■ 11.... i. ■.. 11.. ■ *Papr r■ ■ ■ ■ । ' 1 1 ' r m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

0130B.D HP022102.M Wed Feb 27 08:34:17 2002 Page 4

NYC-WTC_000004513

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NYC-WTC_000004513Source: NYC Law Department, mirrored locally

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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