GC/MS analysis results for sample AD30935, Jan 28 2002

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Laboratory report documenting gas chromatography mass spectrometry results for sample AD30935 conducted on January 28, 2002.

NYC-WTC_000018754–000018774

Folder label: “GCMS X 12/19/01 A 1/2/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC3101\30935.D Vial: 48 Acq On 2 Jan 2002 11:27 am Operator: 209 GALOS Sample gems scan 12/19a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 Furan, tetrahydro-2,2,5,5-tetr Concentration Rank 13

R.T. EstConc Area Relative to ISTD R.T. 18.16 0.27 ug/1 97476 Acenaphthene-dl0 20.56 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Furan, tetrahydro-2, 2,5,5-tetrameth 128 C8H160 015045-43-9 17 2 2(5H)-Furanone, 3,5,5-trimethyl- 126 C7H10O2 050598-50-0 10 3 Acetone / 58 C3H60 000067-64-1 9 4 2-Propen-^Zol Abundance 43 58 C3H60 Scan 1429 (18.161 min): 30935.D (-) m/z 5 000107-18-6 9

57 5000 73 111 95 TTuda0id . 1 1 , y, I . . . i 1 ,

m/z-> -4 ++# 20 30 40 50 , 50 60 1 70 67 801 81’ । | 90 84 14*1 * • 100 110 i • ,, , .. 127 ,, 120 130 17.80 18.00 18.20 18.40 m/z 57.00 57.16% Abundance #65056: Furan, tetrahydro-2,2,5,5-tetramethyl- 4

5000 55 .'I t*.*. . Mr n A. 113 17.80 18.00 18.20 18.40 70 27 , 95 m/ z 73.0,0 44.59% i .. I.. I 8*1*j I l i l l'l> lj > I i'i T ........... 1.......... * ' । • • • • । • * * * । • • * r* m/z-> 20 30 40 50 60 70 80 90 100 110 120’ 130 Abundance *1475: 2(5H)-Furanone, 3,5,5-trimethyl- 43 „ t ..4., . R

17.80 18.00 18.20 18.40 5000 111 m/z 111.10 36.19% 83 55 126 68 ■ ■ i ‘ 1 ' ' i 1 ■ ■ • i ■ ' ‘ ■ i • ■ ■ ' i ' — ■ ■ । • ■ ‘ ■ । • • ■ ■ । •'1 ■ ।1 • ■ • । • ‘ ■ ■ i ■ ■ m/z-> 20 30 40 50 60 80 90 100 110 120 130 (Abundance #62322: Acetone ’IA*SIS’’I’S*I’***I’ 43 17.80 18.00 18,20 18.40 m/z 41.05 26.19% 5000 58 27 -"■i■‘ i ■ ■ ■ ■ i ■ ■ ■ 1 i 1 • 1 ■ i ■ ' ' ■ i ■ ' • ■ i 1 ■ ' ■ i • ' ' ' i ' ■ wWWAAL/Wy IT m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 17.80 18.00 18.20 18.40

30935.D GCMS1126.M Fri Jan 25 11:50:34 2002 Page 5

NYC-WTC_000018765

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NYC-WTC_000018765Source: NYC Law Department, mirrored locally

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