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← Document results/DEP Box 28/GCMS X 1/17/02 A 2/16/02
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GCMS blank analysis for sample AE01041, Feb 2002

Machine-extracted title · confidence 50%

GC/MS blank analysis report for sample AE01041 showing volatile organic compound results generated on February 20, 2002.

NYC-WTC_000052790–000052798

Folder label: “GCMS X 1/17/02 A 2/16/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\FEB1502\LBB.D vial: 24 Acq On : 16 Feb 2002 3:42 pm Operator: 209 GALOS Sample : gc/ms scan 1/17 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0208.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Hexanone Concentration Rank 2

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

7.03 0.29 ug/1 24524 1,4-Dichlorobenzene-d4 12.33

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Hexanone 100 C6H120 000591-78-6 72 2 2-Hexanone, 5-methyl- 114 C7H140 000110-12-3 50 3 Methyl/isobutyl Ketone 100 C6H120 000108-10-1 50 4 2-Hexanone, 4-methyl Abundance / - Scan 216 (7.029 min): LBB.D (-) 114 C7H140 000105-42-0 39 m/z 43.05 100.00% 43

5000 58

71 85 100 — 6.60 6.80 N. 7.00 7.20 7.40

m/z-> 10 20 30 37

40 +51 50 .. I... I,.. I..... 60 70 80 90 100 110 120 m/z 58.0.5 46.94% Abundance #63387: 2-Hexanone 43

58 5000 6.60 6.80 An... 7.00 7.20 7.40 100 m/ z 41.05 24.18% 71 85 i i ■ ' ' ■ i ■ ■ ■ ' i ■ ■ ' ' i 1 ' ■ ■ i ■ ' I ' ' ' ' I ' m/Z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance 43

6.60 6.80 5000 m/z 39.0,5 18.13% 58 27 71 1 ' 1 1 85 99 114 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 — Abundance #63353: Methyl Isobutyl Ketone U 43 6.60 6.80 7.00 7.20__ 7.40 m/z 57.00 16.12% 5000 58

15 27 85 100

miz-> ■ ■ i

10 ■ I 38 ' ' ■ i ■ ■ 1 ■ i ■ ■ ' 1 i 1

20 30 40 T1 50 60 I ■ 1 67 ■ ■ i

70 ■ ’ ' 1 I

80 ■ ■ | ■ ' i

90 ■

100 110 120 _A 6.60 6.80 7.00 7.20 7.40

LBB.D GCMS0208.M Wed Feb 20 14:32:28 2002 Page 1

NYC-WTC_000052795

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NYC-WTC_000052795Source: NYC Law Department, mirrored locally

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GCMS blank analysis report, Feb 2002 · Box DEP Box 12

NYC-WTC_000005159

Blank sample analysis report confirming no contamination above method detection limits for target compounds analyzed on February 1, 2002.

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