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\1\5973N\02FEB27\02456.D Vial: 7 Acq On : 27 Feb 2002 8:18 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 3 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 3.92 0.06 ug/L 28067 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 83 2 Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 74 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 Abundance Scan 48 (3.916 min): 02456.D (-) m/z 75.00 100.00% 75

5000 87 55 A ' 1 1 I ' ' ■ ■ । ■ i ■ ■ ' ' i 1 1 ■ 1 i 47 3.60 3.80 4.00 4.20 431 | 84 0 TTOO-TggTTTTTTTTTTTTTTTT ■ ‘ i " '111'1' i1 " ' r 1 m/ z 87.10 40.54% 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... 75

5000 —2 87 3.60 3.80 4.00 4.20 15 55 m/z 55.10 30.73% 27 31 47 rPY I I I | I । I I | । I !! | I I I I | I > I J I na 59 71 0- 1' i" TTT -H —pmmt *1] IT n/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 IRETTT 3.60 3.80 4.00 4.20 5000 m/z 47.00 13.67% 87 55 13 47 0- 4344+ 59 31 71 " ।" " ।" ■ ■ ।" " । •r" i11" i11111 ..... ....1111 . .... 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 3.60 3.80 4.00 4.20 m/z 45.10 10,. 09% 5000 87 55 29 41 47 59 71 Or5 "10r "15 11"11 r11111 "111 ■" । 11 |l 11' |1111111 ■ । "I""!' -H ..... 1 ■ ।'11" -APT m/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

52456.D HP022102.M Thu Feb 28 08:47:48 2002 Page 5

NYC-WTC_000005134

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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