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\02091.D Vial: 8 Acq On : 26 Feb 2002 8:34 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 9 R.T. EstConc Area Relative to ISTD R.T. 3.94 0.07 ug/L 36985 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 83 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 4 Acetaldehyde, 0-ethyloxime- 87 C4H9NO 000000-00-0 5 Abundance Scan 50 (3.938 min): 02091 .D (-) m/ z 75.00 100.00% 75

5000 87 55 .................. J.................... 1 ' i 1 1 1 '1 1 1 1 1 I 1 1 1 1 I 1 1 1 1 I

Or 414447 TTIUTTTLDTTTTTTTTETTTTTTTTTTTTT -H .... 71 I.... ' ‘ I '1 ‘' I ‘ ‘ ‘' I ‘'11'1 3.60 m/z 3.80 4.00 87.10 4.20 43.75% 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 A..... ........ A ' > i ■ 1 ■ ■ i ■ ■ ■ ■ i ■ ■ > ■ i ■ ■ ■ ■ । 87 3.60 3.80 4.00 4.20 55 m/z 55.00 31.95% 2 47 mfz-> 43444 31 01 TTTTTTITTTTTTTTTWTTTPTTTT 59 71 1THTTTTTT —pmt 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75 ■ ‘ r > ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ < । 3.60 3.80 4.00 4.20 5000 m/z 47.10 14.26% 87 55 29 01 mmmptnp ttttyyatsp 41, 47 59 71 mh hpmp "I""! 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... I ' ' ' ' i ' ' i ■ ■ > ■ i > • ■ ■ । 75 3.60 3.80 4.00 4.20 m/z 41.10 11.03% 5000 87 15 55 27 31 47

m/z-> 01 ■' i" ML .... 59 - 71 T ..........1 "I"11!" 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 ■ ■ i ■ ■ ' । i ■ > < ■ । 3.80 4.00 4.20 ■ i । ।

02091.D HP022102.M Wed Feb 27 08:35:33 2002 Page 4

NYC-WTC_000004692

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NYC-WTC_000004692Source: 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