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← Document results/DEP Box 15/GCMS X 5/21/02 A 5/21/02
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GCMS analysis report sample AE09682, May 23, 2002

Machine-extracted title · confidence 95%

GCMS laboratory report for sample AE09682 detecting unknown compounds and 2,4-DDD on May 23, 2002.

NYC-WTC_000013258–000013276

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

←Page 15 of 19→
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NYC 9/11 Public Portal Document LiprarY bearcn compound Keporc Data File : C:\MSDCHEM\l\DATA\052102\9682.D Vial: 18 Acq On : 22 May 2002 3:11 am Operator: Mclean Sample : re-extract Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 8 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.94 10.81 ug/L 7622630 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 Abundance Scan 486 (5.935 min): 9682.D (-473) (-) m/z 43.10 100.00% 43 1 ■ i • . T'. । । । |' i । i । । 5000 59 101 5,60 5.80 6.00 6.20 01 ... ........... 67 83 . —P++ i ■ ■ ■ ■ i ■ ■ ■ ' i ' ■ ■ • i ■ ■ ■ 1 i | 1 ■ ' ■ i ■ 53 . m/z 59.10 37.35% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 ... 1.... ‘ ‘ I ' ‘ ' ■ I ' ‘ ‘ p ‘ ‘ ‘ ‘ ' I 5.60 5.80 6.00 6.20 m/z 58.10 21.96% 15 101

niz-> 04 ‘11+1* 10 20 +297130 38,140 +53+ 50 60 I ■ ■ 1 1 i ■ ■ ' ■ i 70 80 83 ■ ■ i ■ 90 — 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 4)3

5.60 5.80 6.00 6.20 5000 59 m/z 101.10 14.57%

92 93 101। . n/z-> 04 .. 10 ..3.31 20 30 .38,140 Pi ■50i 1 60 I ■ ■ ■ ■ i ‘ ‘ 70 80 83 ‘ i ■ ■ ■ ' i ■ ■ ■ 1 i ■ • 90 100 ■ i ■ 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ■ ■ । ■ ■ ■ 1 । ■ ■ 1 ■ k 1 ■ ■ i ■ ■ ■ ■ । 43 5.60 5.80 6.00 6.20 m/z 41.05 6.38% 5000 59

——3,? 38,1 , 4 48■ i 53, I. 67 72 77 . 83 91 96, 101 | _ 0: t* i 1 • ■ 1 i ' ' ‘ ‘ i ■ • ■ 1 1 1 • ‘ 1 i 1 ■ 1 1 1 • —T1—mmtmemTerrr n/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

9682.D 052202.M Wed May 22 11:46:53 2002 Page 10

NYC-WTC_000013272

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NYC-WTC_000013272Source: NYC Law Department, mirrored locally

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