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GCMS analysis results for sample AE05747, April 11 2002

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Laboratory report documenting GCMS analysis of sample AE05747 conducted on April 11, 2002, including surrogate recovery data.

NYC-WTC_000059576–000059584

Folder label: “GCMS X 3/12/02 A 4/2/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\APR0102\5748.D Vial: 27 Acq On 3 Apr 2002 2:58 am Operator: Sample gc/ms scan 3/12 • Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.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,

8.13 1.77 ug/1 246633 1,4-Dichlorobenzene-d4 12.25

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane,/tetramethyl- 88 C4H12Si 000075-76-3 47 2 1,3-Di^olane, 2-methyl- 88 C4H8O2 000497-26-7 9 3 N-Eth^formamide . 73 C3H7NO 000627-45-2 9 4 1,3-D/oxolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC1302 000000-00-0 9 Abundance '”" " Scan 336 (8.129 min): 5748.D {-) m/z 73 .'op..100.00^ 7(3

5000 43

3? I, I 55, , I 87 103 7.80 i H—T—]—r—i—r-T—p-i—I—1—r-p- ' I ' ' ' ' I ' ' ' ' I ' ' ' 'I m/z 43.05 29.64% rT)/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 7(3

5000 7.80 8.00 8.20 8.40 45 m/z 41.05 10.98% 15 , ,( 53 59 I 88 I ' ' ’ ' I ' ‘ ‘ I ' ' ' ' I ' ' ' ' I ' ' ' ' I m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902:1.3-Dioxolane. 2-rnelhyl- 73 --TT-T-VV-r-r-r-rV ......... 7.80 8.00 8.20 8.40 5000 43 m/z 44.95 10.08% 58 27 87 I....... E/?-? ..JO___ 20 30 40 50 60 70 80 90 100 110 ■Abundance #292: N-Ethylformamide 33 7.80 8.00__ 820 8.40 73 m/z 71.00 6.39% 5000 44 58

' I'l'.'....... I, m/2-> 10 20 30 40 50 60 70 80 90 100 110 I 7.80 8.00 8.20 8.40

5748.D GCMS0403.M Fri Apr 05 10:40:22 2002 Page 1

NYC-WTC_000059583

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NYC-WTC_000059583Source: NYC Law Department, mirrored locally

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