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_000003981–000004147

Folder label: “GCMS X 1/29/02 A 2/1/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02FEB01\0129B.D Vial: 1 Acq On : 1 Feb 2002 10:35 am Operator: Sample : lab blank 1/29 Inst : Instrumen Mise : February 1, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l..-\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 3-Penten-2-one, 4-methyl- (... Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 5.03 6.06 ug/L 2390950 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Penten-2-one, 4-methyl- (CAS) ... 98 C6H10O 000141-79-7 94 2 3-Penten-2-one, 4-methyl- (CAS) ... 98 C6H10O 000141-79-7 91 3 3-Penten-2-one, 4-methyl- (CAS) ... 98 C6H10O 000141-79-7 91 4 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 91 Abundance Scan 145 (5.029 min): 0129B.D (-) m/z 83.10 100.00% 55 83

5000 98 43

Oh 38 MT..... I'' l1' ■' P ' ■' P 50 I 62 67 77 r | ■.. ■ | ll !l 4— ''I1111" i11' ■ i'11111' 11“ '11' " ' I —mm 4.60 4.80 5.00 5.20 5.40 m/z 55.10 88.10% n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #7014:3-Penten-2-one, 4-methyl- (CAS) $$ Mesityl oxide $$... 55 83

43 98

5000 i 1 1 ' ■ i ■ ■ ■ ■ I ■ ■ ■ 1 i ' 1 ' ■ i ' ■ 4.60 4.80 5.00 5.20 5.40 m/z 98.10 49.49% 36 50

n/z—> 0 pa H —001—01110TII—BBI71001717 S111 > T11' ‘ I 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #7021: 3-Penten-2-one, 4-methyl- (CAS) $$ Mesityl oxide 55 83

43 98 4.60 4.80 5.00 5.20 5.40 5000 m/z 43.10 34.58%

27 37 ,...........67 oh pi"l""P".p "I"'.pinpl .......................... .. Tmmmm Tm7 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #7011:3-Penten-2-one, 4-methyl- (CAS) $$ Mesityl oxide $$... . hpr . । । . / 55 83 4.60 4.80 5.00 5.20 5.40 m/z 39.10 21.92% 43 98 5000

27 15 0 mH 37 49 | 171 1111'11 -PT Tmmmm n/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 4.60 4.80 5.00 5.20 5.40

0129B.D SCAN508.M Mon Feb 04 08:40:58 2002 Page 3

NYC-WTC_000003997

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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.

2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999