GCMS analysis results for sample AE05852, April 23, 2002

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GCMS laboratory report for sample AE05852 analyzed on April 23, 2002, by analyst DLV.

NYC-WTC_000048737–000048757

Folder label: “GCMS X 4/11/02 A 4/15/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\l\DATA\APR0402\5852.D Vial: 26 Acq On 4 Apr 2002 10:44 pm Operator: Sample gc/ms scan 3/12 Inst : GC/MS 209 Mise Multiplr: 2.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0408.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. 8.12 10.00 ug/1 442678 1,4-Dichlorobenzene-d4 12.25 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl - 88 C4H12Si 000075-76-3 32 2 N-Ethyl formami de 73 C3H7NO 000627-45-2 9 3 3-Pentanol, 3-methyl- 102 C6H140 000077-74-7 9 4 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 7 Abundance Scan 335 (8.124 min): 5852.D (-) m/ Z 73.00 100.00%) 73

5000 43 ‘ • l ■ ‘ ‘ * 1 • r • • t 102137 ■ 1t 1 103 7.80 8.00 8.20 8.40 ................................... 38 1 , | 50 55 . — 67, । , 87 41/ tty i I TT । i'r-i i । i m/ z 43.00 27.99 1 1 I ‘ 1 ‘ • I 1 1 1 1 1 ‘ ! miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73

— "T i r ■ ■ ‘ i 5000 1TI IITITu 7.80 8.00 8.20 8.40 45 m/ z 45.05 10.15% 15 1 1 1'59 1 ri 1 ' 1 1 i 53 1' i 1 1 1 । 1I • ■ i 1 ‘ 1 ' i ■ ■ 1 ■ i • ■ ■ ‘ i ■ 88 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 33 73 ■ ■ i ■ ■ 1 • i • ■ • ‘ > ‘ ' i ■ ' ‘ ‘ i 7.80 8.00 8.20 8.40 5000- m/z 41.05 9.88 44 58

15 1 1 ‘ ' 1 * I ‘ t-IL - TIT—1 i ■ ■ i • ' ■ ■ i ' ' ‘ • i ■ 1 1 1 i 1 1 1 i r 'r ' 1 i ' miz-> 10 20 30 40 !50 60 70 80 90 100 110 Abundance #63573:3-Pentanol, 3-methyl- 73 7.80 8.00 8.20 8.40 m/z 71.00 7.175

5000 55 45 87 27 ....................... I , 391 ■ ■ i ■ ‘ ‘ ■ i • ■ • • i ‘ ■ ■ ‘i’ ■ ■ • i ‘ • Hr r1 r' ‘'i 1 1 1 ■ i ■ ′′ 11 miz—> 10 20 30 40 50 60 70 80 90 100 110 > ■ l • ■ ■ ‘ T 7.80 8.00 1 1 1 1 ' 1 1 1 ' 1 1 1 I 8.20 8.40

5852.D GCMS0408.M Tue Apr 16 08:18:32 2002 Page 1

NYC-WTC_000048755

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NYC-WTC_000048755Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE05846, April 23, 2002 · Box DEP Box 27

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GCMS laboratory report for sample AE05846 analyzed on April 23, 2002, by analyst DLV.

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