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GCMS blank analysis results for sample AE11306, May 21, 2002

Machine-extracted title · confidence 95%

Laboratory report of a method blank analysis for GCMS testing conducted on May 21, 2002, showing non-detects for various compounds.

NYC-WTC_000024956–000024964

Folder label: “GCMS X 5/14/02 A 5/21/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\MAY2102\LBB.D Vial: 17 Acq On : 21 May 2002 4:33 pm Operator: Sample : EXTRACTS/14 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0520.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. 8.11 23.83 ug/1 1519490 1,4-Dichlorobenzene-d4 12.15 Hit# of Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 2 Acetone 58 C3H60 000067-64-1 9 3 CH2=CHCH2C(O)OCH3 100 C5H802 003724-55-8 9 4 2,3-Butanedione, monooxime________ 101 C4H7NO2 000057-71-6 7 Abundance Scan 335 (8.113 min): LBB.D (-) m/z 43.05 100.00% 43

5000 59 1 1 ' i ■ ' ■ r i ■ f' ' i ' ■ 1 1 i ■ ■ ' ■ i 101 7.80 8.00 8.20 8.40 . ........................................ 53 69 77 83 | t+ I 1 1 r ■ i ' ■ ■ ' i 1 '' 1 1 1 1 ' 1 1 I' 1 1 1 1 1 m/z 59.10 32.57% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

___________________ _ _________ 5000 ' ' 1 ' I ' ' 1 ' ITOE" । . “TT i | I I I I | 59 7.80 8.00 8.20 8.40 m/z 58.10 19.25% 15 31 101 83 । —1* ,4411 . . । । i TT 1 ‘1 I । । । rr— । । । । । t-| । । । । । । m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62322: Acetone 43 1 7.80 8.00 8.20 8.40 5000 m/z 101.15 9.99% 58 27 4 1-r-TT-. i ' 1 1 ■ i ' ■ 1 ■ । 1 1 ■ r । 1 1 1 1 i 1 1 1 1 i 1 miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 ‘ ' i ' ' ' ' i 1 ' ' ' I ' i ' ' 1 ' I 43 7.80 8.00 8.20 8.40 m/z 41.05 5.85% 5000

58 ........ ................. 72I ■ ■ - i 100 1 1 i ' ■ i ■ ■ 1 ■ i ■ ■ ' 1 r1 141111-1/1 ■ ■ । PI11 1 I r ------- m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40

LBB.D GCMS0520.M Wed May 22 09:22:30 2002 Page 1

NYC-WTC_000024963

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NYC-WTC_000024963Source: NYC Law Department, mirrored locally

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