GCMS analysis results for sample AE10813, May 2002

Machine-extracted title · confidence 50%

Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000046064–000046080

Folder label: “GCMS X 5/7/02 A 5/15/02”

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NYC 9/11 Public Portal Document

■Data File : C:\MSDCHEM\1\DATA\051402\10813.D Vial: 23 Acq On : 15 May 2002 8:17 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 4 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1

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

5.97 12.68 ug/L 11236100 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 00054. -88-5 33 Abundance Scan 491 (5.964 min): 10813.D (-478) (-) m/z 43.10 100.00% 43

5000 59 _ । । । । । । । । i '। । y । । । । 1 i । r _

101 560 5.80 6.00 6 20 6.40 ........................... 37 1 53 69 83 , | 119125 0 'I' ' 1 1 I' 1 ' 1 1 ' I I ’ f 1 1 1 "i') I 1 ' 1 ' 1 1 1 1 1 i ■ ■ ' 1 i ■ 1 ■ ' i 1 1 1 ' i ■ ' 1 1 i ' ' 1 1 i ' 1 m/z 59.10 36.36% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 4

5000 1 1 I T“ ' TFInk—/EEC—-BBBkon 59 5.60 5.80 6.00 6.20 6.40 m/ z 58.10 20.70% 15 31 101 53, 83 ! | ol ...... . ‘‘1111111'1 1 I ' 1 1 1 r1 ' '' i rk m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 ' 6.40 5000 m/z 101.10 13.88% 59 27 37 _ 101 - TTIH453 67 77 83 91 । 0 ‘ I r i , i | i i— id, I 1 । । | I ' i I | । 1 1 I | * । > I | I I I । | i I

m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.20 6.49%

5000 59

q_ 101 0 , , . ..... . 371 । ■ 11 ‘h 83 93 । ! ■ 1 1 1 i 1 1 1 ' I ''' 1 1 i 1 ' 1 1 i 1 1 ' ' i ' ' 1 1 i 1 1 ' ■ i 1 — ———— m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

10813.D 050102.M Thu May 16 14:15:47 2002 Page 7

NYC-WTC_000046075

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NYC-WTC_000046075Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE10815, May 2002 · Box DEP Box 25

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Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.

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