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\02088.D Vial: 5 Acq On : 26 Feb 2002 6:06 pm Operator: Sample : 508 scan Inst. : Instrumen Mise : February 26, 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 6 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.08 ug/L 39745 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,l-dimethoxy-2-methyl - 118 C6H14O2 041632-89-7 83 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 74 3 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 74 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 40 Abundance Scan 49 (3.927 min): 02088.D (-) m/z 75.00 100.00% 75

5000 87 55 47 .................. \.................... 1 1 । 1 > 1 1 । * 1 1 ■ । 1 * . ............ .. 71 3.60 3.80 4.00 4.20 0+ 1’11111111/10033 TIPPPTTT ■ । ■ ■ ■ ■ । ‘1 m/z 87.00 39.99% n/z-> 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 87 1 1 i ' 1 3.60 3.80 I

4.00 —A 4.20 55 m/ z 55.00 30.24% 31 . 1 47। 43 Of TIIWP ■ । ■ ■ ■ ■ । ' I ■ | ■ I ■ ■ I ■ ■ ■ 59 —TT 111 '1 ■ i 11 71 11 11........................ ...11 111

m/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75 TI 3.60 3.80 4.00 4.20 5000 m/ z 47.10 21.61% 87 47 55 31

m/z-> 01 -L 35 40 4341 25 30 45 11111 11 1 TTtt 59 71 ' I 1 H l| I I i I ! i i i i I I | | I

50 55 60 65 70 75 80 85 — 1 * ।11'111' 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 3.60 3.80 4.00 4.20 m/z 41.10 12.15% 5000 87 47 55 31

m/z-> 0 -L —.. 1| 25 30 35 40 59 ‘ 111 ■ 111.11. ■,, । ■ 45 50 55 60 65 71 ' Hr* 70 75 80 85 90 95 ''"I""!- 1' i ■ ■ ■ ■ i' ■

3.60 4.., M A. 3.80 4.00 4.20 i

02088.D HP022102.M Wed Feb 27 08:35:14 2002 Page 4

NYC-WTC_000004632

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NYC-WTC_000004632Source: 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