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GCMS blank analysis report, May 6, 2002

Machine-extracted title · confidence 90%

Laboratory report documenting a GC/MS blank run to check for contamination in the analytical system on May 6, 2002.

NYC-WTC_000043547–000043559

Folder label: “GCMS X 3/26/02 No Analyses

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Scanned page image, NYC-WTC_000043553
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\MAY0602\LB.D Vial: 3 Acq On 6 May 2002 11:27 am Operator: Sample GC/MS SCAN 4/24 Inst : 2 09 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 8.16 10.25 ug/1 719804 1,4-Dichlorobenzene-d4 12.19 Hit# of Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 - hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 78 2 CH2=CHCH2C(O)OCH3 100 C5H802 003724-55-8 9 3 Acetone 58 C3H60 000067-64-1 7 4 Butane__________ 58 C4H10 000106-97-8 5 Abundance / Scan 340 (8.159 min): LB.D (-) m/z 43.05 100.00% 43

5000 59 ................... / , 101 7 80 8.00 8.20 8.40 8.60

m/z-> __ 04 i 1 1 1 1 i 1 1 1 1 i 10 20 30 3Q| +53+ ' i ' 40 50 60 70 80 69 83 90 . | 100 110 m/z 59.10 41.11% Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000- — 59 7 80 8.00 8.20 8.40 8.60 m/z 58.10 16.83% 27 101

m/z—> 10 ,.......... 20 30 40 +49 50 60 70 I I ■ ■ ■ ■ I । 80 83 ' I । ‘। ■ I । 90 - 1 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43

7 80 8.00 8.20 8.40 8.60 5000 m/z 101.15 12.53%

58 ................... i 1 1 1 I 1 ‘ 1 38। 1 I ' I 72 ' ' 1 1 ■ i 100 | ‘ । ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #94: Acetone 43 7 80 8.00 8.20 8.40 8.60 m/ z 41.05 6.94% 5000 15 58 27 1 ■ ] IJ I I I | I H ! I I I 1 | 1 । ' ' i r ' I I I I I ] I I I I I I I I I ] I I I I [ I—I—I—I—I—I ‘ 1*11’171’)*.* 1111 1 1 I 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

LB.D GCMS0501.M Wed May 08 11:53:43 2002 Page 1

NYC-WTC_000043553

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NYC-WTC_000043553Source: NYC Law Department, mirrored locally

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