GCMS comments for sample AD28898, Dec 17 2001

Machine-extracted title · confidence 90%

Laboratory notes stating the GCMS scan of sample AD28898 revealed no unusual compounds.

NYC-WTC_000035683–000035691

Folder label: “GCMS X 11/28/01 A 12/7/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1201\28898.D Vial: 27 Acq On : 12 Dec 2001 1:43 pm Operator: 209 GALOS Sample : gc/ms scan 11/28 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 N-Ethylformamide Concentration Rank 1

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

7.60 1.26 ug/1 408283 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 N-Ethyl formami de 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 Butane,2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 4 Pentane, 3 -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 279 (7.603 min): 28898.D (-) m/z 73.00 100.00% i 73 5000 43 ‘ I 1 ‘ ‘ * I ’ T• * I ’ • ' * I ’ ‘ ‘ 1 • ' 87 7.20 7.40 7.60 7.80 8.00 i 103 i i ■ ' 1 ■ i ■ ■ • ■ i 1 3811 50 55,, . . 67,1— 1 1 ■ ' i ■ • • • । ■ • > ■ i ■ > m/z 43.05 25.70% miz-? 10 20 30 40i 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73

5000 TImunir 11b, I T I T I i * i r । i । 58 7.207.40 7.60 7.80 8.00 44 m/ z 41.0,0 10.33% - i'I'I'I — i ■ 1 • ■ i ■ 1 ‘ ■ i ■ • ■ 1 i ■ TT । । । i i । r miz-> 10 20 :30 40 50 60 70 80 90 100 110 Abundance ’ .........7 #62932; Silane, tetramethyl- 73 fNTTPYTTTPPPN 7.20 7.40 7.60 7.80 8.00 5000 m/z 9.84%

45 15 | 53 59 88 ■ 1 i ■ ■ 1 ■ i ‘ ■ i ■ ■ ■ ■ i 1‘ ‘ I ‘ ‘ ' 1 I ‘ ' I • 1 ‘ ‘ I • ‘ ‘ T[In r i । । i i i । r m/z—> 10 20 30 40> 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- — —————— TIpPr , . । . 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.16% 5000 55 87 45 27 33 TI11n , 1’ , . , TIT 1———mTTTT ’ • J * * ’ ‘ t ' • ‘ • I * ‘ ■i■• • ■ I 1 1 ‘ ■ i 1 1'■ ■ 1 ■ i • ' m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

28898.D GCMS1126.M Wed Dec 12 14:58:02 2001 Page 1

NYC-WTC_000035690

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NYC-WTC_000036020

Laboratory report stating GCMS scan of sample AD29086 revealed no unusual compounds.

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