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\02387 .D Vial: 3 Acq On : 27 Feb 2002 4:57 pm Operator: Sample : 508 scan Inst : Instrumen Mise 2002 : February 27, 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, 1,1-dimethoxy-2-me... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.09 ug/L 37948 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,1-dimethoxy-2-methy1- 118 C6H14O2 041632-89-7 83 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 83 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 74 4 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H1402 041632-89-7 9 Abundance Scan 49 (3.927 min): 02387.D (-) m/z 75.00 100.00% 75

5000 87 55 1 1 1 1 1 I ' 11 1 I 41 47 3.60 3.80 4.00 4.20 । ■ ■ ■ ■ । • ■ ■ ■ । ■ ■ ■ ■ । i ।| ■ 1111 ■ ■ ■ ■ 84 0 ■ ■ i111' i ■1' ■ i ■ ■ ■■ । ■ 111 f । m/ Z 87.10 39.11% 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 87 AA 3.60 3.80 4.00 4.20 55 m/ z 55.10 28.38% 2 47 m/z-> 43+44+ ob TTTTTTTTTTITTTIWTOIPTTTTT 5 31 59 71 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 I i I I I I I I ■ I > I I I I I I 1 I i"...... . 1 ■ i " '111'

Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75 .A.... NM. 3.80 4.00 4.20 3.60 5000 m/ z 47.10 14.91% 87 A 55 29 41 47 miz-> 5 m 20 35 40 10 15 50 25 30 45 59 ""I""!11 55 60 65 70 75 80 85 90 95 mH 71 ini|iiiip HIT

Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... *’1’’1 1 111 11111 75 3.60 3.80 4.00 4.20 m/z 41.10 11.50%

5000- 87 15 55 27 31 47 ■^i" " 111" J1111" " i" 59 71 On ’’I 111 TT -H •i ' i ■ ■ 1111 Iumm7. ii j 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

32387.D HP022102.M Thu Feb 28 08:47:15 2002 Page 4

NYC-WTC_000005053

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NYC-WTC_000005053Source: 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