GCMS comments for sample AD29521, Jan 2002

Machine-extracted title · confidence 95%

Laboratory commentary confirming no unusual compounds detected in sample AD29521 during GCMS scan on January 4, 2002.

NYC-WTC_000036530–000036541

Folder label: “GCMS X 12/6/01 A 12/12/01 - 12/13/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1301\29521.D Vial: 8 Acq On : 13 Dec 2001 4:42 pm Operator: 209 GALOS Sample : gems scan 12/6 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.

7.60 3.08 ug/1 1204410 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 Tentative ID MW MolForm CAS# Qual

I Silane, tetramethyl - 000075-76-3 9 88 C4H12Si 2 N-Ethyl formamide 000627-45-2 9 73 C3H7NO 3 1,3-Dioxolane , 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 • 4 Pentane, -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 278 (7.599 min): 29521 .D (-) m/ z 73.0.0 100.00% 73

5000 43 ' I ' TT 7.20 7.40 7.60 7.80 10 55 87 103 m/z-> l • ■' ■ I • •' 'I 4 TrT 11 ...r... w 207 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200 210 m/ z 4 3.00 25.37% Abundance #62932: Silane, tetramethyl- 73

5000 ' I ' ' ' 1 1 1 r 1 ' I ' 1 1 ' |7Tri | i i 7.20 7.40 7.60 7.80 8.00 45 m/z 44.95 9.79% 15 , 55 | 88 TTTT TriT TTT TT T’TTTTT TTTTTTTTT’T H . I I < H I | t i i i | i < ■ I { i i ■ i | m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #292: N-Ethylformamide 30 73 TT TTT TTI-P-ETTT 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.00 9.59% 44 58 15 ................ i.................................................... Bgu | I I I I | .II. . I . | . I > . | . I I ! | ) • I ! | « < ! . | I > I TT’T’TT I M I | I I M | I M I f I I « I | I' *1 >11I m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #49423: 1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet 73 7.20 7.40 7.60 7.80 8.00 m/ z 71.00 6.13% 5000 45 ........ 36.1 '11155■" r ■" i • ■ ■' i • ■" i''" i"'109 " i" " r ■ r ■1 ’ i ■ • ■ i'"' i" " i" " i" " i ■ ■" r "' i11" 11' ■ ‘ r " ■ r1" i" ‘ m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200210 7 20 7.401 7.60 7.80 8.00

29521.D GCMS1126.M Fri Dec 21 13:15:20 2001 Page 1

NYC-WTC_000036537

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GCMS analysis comments for sample AD29524, Jan 2002 · Box DEP Box 22

NYC-WTC_000036570

Laboratory comments on GCMS scan results for sample AD29524 indicating no unusual compounds detected.

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