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\02084.D Vial: 1 Acq On : 26 Feb 2002 2 :44 pm Operator: Sample : 508 scan 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 8

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

3.93 0.07 ug/L 31611 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 43 2 Propane, 1,1-dimethoxy- 2-methyl-... 118 C6H14O2 041632-89-7 43 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 43 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 43 Abundance Scan 49 (3.927 min): 02084.D (-) m/ z 75.00 100.00% 75

5000 55 87 47 ■ ■ । ■ - > ■ i ■ ■ ■ ■ । । । ■ ■ ■ ■ । 3,60 3.80 4.00 4.20 ............................ 01 ■ ■ i 1 ' ' ■i I|. ........... ■■' 1i ' 1 ■ ■ i ■ 1 ■ ■ i' 1 I ■ i ■ ■ ■ ' i ‘ 1 i ' ‘ ' i ' 1 1 ' 1 1 1 1 1 1 1 1 1 1 I-r m/z 87.00 35.42% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl- $$ Isobutylaldehy... 75

5000 ■ 1 i ■ 1 ■ r । 1 ’ 1 ’ । 87 3.60 3.80 4.00 4.20 47 55 m/ Z 55.10 31.18% 31 01 ' > । ' 1 ■ r । ■ 1 । ■ ■ ■ i 1 ' ■ ■ । ■ ■ 1' ■' i 1 ■ ■ ■ i ■ 1 IT IIaIIIII" m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17845: Propane, 1,1-dimethoxy-2-methyl- (CAS) $$ Isobutyl... 75 ...... I.,A.A 3.60 3.80 4.00 4.20 5000 m/z 47.00 19.47% 87 31 47 15 0- ..... ..... 59..... 1 I ...... I ,...... T-p-TT-r'-j-r-r-r-r-p-r 1 1 i 1 ' 1 1 i 1 ■ ' 1 i 1 1 1 1 I 1 1 118 ‘ 111*’’’ i 1 1 1 1 1 1 1 1 I r' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1 -Dimethoxyi... 75 3.60 3.80 4.00 4.20 m/ Z 44.00 10.97% *"* 5000 87 15 55 31 47

m/z—> 01. । । . ■1 ■ ।। 10 20 LL . 1 ' I ' 1 ' '1^'' ' 1 1 1 11 ■ , i ■ ■ ■ ■ । I ■ 30 40 50 60 70 TT 80 1 i ' 1 ' ' i 1 1 1 ' i ' ■ ' ■ 1 1 1 90 100 110 120 ' ' I 1 ' 1 1 I 11 ' ' 3.60 3.80 4.00 4.20

02084.D HP022102.M Wed Feb 27 08:34:46 2002 Page 4

NYC-WTC_000004592

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NYC-WTC_000004592Source: 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