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GCMS analysis results, sample AD29666, January 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry analysis of sample AD29666 identifying unknown compounds and surrogate recovery data (2,4-DDD at 72%), January 28, 2002.

NYC-WTC_000036831–000036841

Folder label: “GCMS X 12/7/01 A 1/2/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC3101\29666.D Vial: 64 Acq On 3 Jan 2002 3:59 am Operator: 209 GALOS Sample gems scan 12/7 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 3-Pentanol, 3-methyl- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

7.61 2.63 ug/1 910632 1,4-Dichlorobenzene-d4 11.68

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 3-Pentanol, -methyl- 102 C6H140 000077-74-7 33 2 N-Ethylfo amide 73 C3H7NO 000627-45-2 9 3 Silane, etramethyl- 88 C4H12Si 000075-76-3 9 4 1,3-Di olane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 'Abundance Scan 279 (7.608 min) 29666.D (-) m/ z 73.0,0 100.00% 73

5000 43 7.20 7.40 7.60 7.80 8.00 ___ —_ L 1 50 55 i ' 1 ' 1 i 1 1 1 ‘ I 1 1 1 1 I1 ■ ■ i ■ ' 1 1 i 671 | T ' I 78 87 ... 103.. m/z 43.0.0 33.14% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63573: 3-Pentanol, 3-methyl- 73

5000- i • • • • i • ' • ■ i 7.20 7.40 7.60 7.80 8.00 45 55 87 m/ z 41.00 11.25% 27 i ■ ■ ■ ' i ■ ■ 1 1 ■ ■ I 39, 1 ■ i’ ■ ■ r-j-r-r-T-T-p.... IT . , , I___________ | .... ... p-r m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73 1 7.20 7.40 7.60 7.80 800 5000- m/z 45.05 11.06% 44 58 15 ' • l ■ • ■ • I ' ■ ■ ■ i ' ' ' ' i m/z-> 10 20 30 40 50 60 70 80 90 100 110 'Abundance #845: Silane, tetramethyl- Trrrr । 1tmm—mmpmmT 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.80% 5000

45 15 i • • • ■ i > > • • I' • 31 , 1 • । I I 1 • I 1 55 I 1 88 i ' 1 . . p-rr> j । t .—i 1—————— TT m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

29666.D GCMS1126.M Wed Jan 16 14:45:39 2002 Page 1

NYC-WTC_000036838

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NYC-WTC_000036838Source: NYC Law Department, mirrored locally

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