GCMS analysis results for sample AE08488, May 2002

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Laboratory report documenting GCMS analysis of sample AE08488 conducted on May 7, 2002, by analyst DLV.

NYC-WTC_000048660–000048671

Folder label: “GCMS X 4/10/02 A 4/20/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\020419\08486.D Vial: 23 Acq On : 20 Apr 2002 5:47 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020418.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 6.16 14.23 ug/1 19314400 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 28 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 28 Abundance Scan 525 (6.163 min): 08486.D (-511) (-) m/z 43.10 100.00% 43

5000 59

101 I"1 ' 1 1 I ' 111 1 11dn 1 1 1 1 1 I ’ 5.80 6.00 6.20 6.40 6.60 P 1 , P , 38, +48,534 ————— 69 83 88 ——— । । He । > । । । m/z 59.10 49.96% /z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 **I***1*II* 4TTi i i । । । । 59 5.80 6.00 6.20- 6.40 6.60 m/z 101.10 20.43% 15 101

nlz-> 111 ■ 1111

10 +331.38,1, 20 30 40 +53+ 50 60 I ' ■ ■ ■ i • ■ ■ ■ i 70 80 83 ■ ■ i • 1 • i i 1 ■1 * i 1 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 ‘ 5 80 6.00' 6.20 6.40 6.60 5000 59 m/z 58.10 19.90%

31 . ............ .,, 38 I I I I I I I -J-t I 1114 I I I 'I' I +I |_________ oo 83 — 93 I■■■1i'1■■i■■■ ■ i 1 ■ ' 1 1' 1 1 1 1 1 101 |_____ miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- T—mn—npvann ' I ITTTi 40 5.80 6.00 6.20 6.40 6.60 m/z 41.15 7.19% 5000 59 101 ... ............. . 48 53, 67 72 77 83 91 96, | I • । । । i • ।11 I4*—*IaD—//1‘//417-/4/4/8/1I TTmdauur /z—> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40 6.60

08486.D SCAN020418.M Thu May 02 11:56:38 2002 Page 5

NYC-WTC_000048668

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NYC-WTC_000048668Source: NYC Law Department, mirrored locally

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GCMS sample analysis report AE08483, May 7 2002 · Box DEP Box 27

NYC-WTC_000048623

Gas chromatography-mass spectrometry results for sample AE08483 including surrogate recovery data.

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