GCMS analysis results for sample AD28861, Dec 17 2001

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GCMS report for sample AD28861 showing detection of unknown compounds and surrogate recovery data.

NYC-WTC_000018849–000018857

Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : M:\INSTRU-1\209\DATA\DEC2101\28861.D Vial: 18 Acq On : 23 Dec 2001 1:21 am Operator: 209 GALOS Sample : gc/ms scan 12/17 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 1 Silane, tetramethyl- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 7.61 3.44 ug/1 1115170 1,4-Dichlorobenzene-d4 11.67 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl - 000075-76-3 9 88 C4H12Si 2 1,3-Dioxolane, 2-methyl- 000497-26-7 9 88 C4H802 3 N-Ethylformamide 000627-45-2 9 73 C3H7NO 4 1,3-Dioxolane, 2-(3-bromo-5>5,5-tri 352 C10H16BrC13O2 000000-00-0 9 (Abundance Scan 280 (7.611 min): 28861 .D (-) m/ z 73.00 100.00% 73

5000 43 | • • • ' | • TJ • J • • ‘ 1 I | l 1

t......... 87 103 7.20 7.40 7.60 7.80 8.00 0 *........................ 38.1,’9871I ।50। +*+55, ■ i ‘ * * • । * * * » । * ’’"11 ’+"L60,67,1 । > m/z 43.05 30.18% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73

5000 7.20 7.40 7.60 7.80 8.00 45 m/z 41.05 10.88% 15 I 53 59 1 • ■ i • ■ • 88■ i • • • ■ l * « ■ > i ■ 1 1 i • ■ ■ • i ■ • • 1 i 1 1 1 1 i । । 1 1 rdsilla । T-r-TT i miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- 73 7.20 7.40 7.60 7.80 8.00 5000 43 m/z 44.95 10.87% 58 27 ! 87 TT12Ba—m)—mm—mmTTRTTTT • * I • • ■ ■ i • ■ • • i ■ ■ ■ ■ । ■ i • m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide /Thdtir Tl'| । । 11T 30 7.20 7.40 7.60 7.80 8.00 ‘ 73 m/z 71.00 6.49% ...................................... 5000 44 58 15 m/z-> .1 10 20 30 1 • i 1 40 • : * * 50 “I J » » * j r r i i 19 i i t j j j i i । । i —i | r ■ • i ■ ■ 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

28861.D GCMS1126.M Tue Jan 29 14:17:03 2002 Page 1

NYC-WTC_000018856

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