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GCMS analysis results for sample AE10779, May 2002

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Gas chromatography-mass spectrometry report for sample AE10779 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045919–000045931

Folder label: “GCMS X 5/6/02 A 5/11/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\MAY1002\10779.D Vial: 23 Acq On : 11 May 2002 10:33 am Operator: Sample : GC/MS SCAN 5/6 fb Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0510.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 5 Mercaptoacetic acid, bis(trime Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 42.65 1.04 ug/1 50477 Perylene-dl2 37.84

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Mercaptoacetic acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 16 2 3-Isopropoxy-1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 10 3 2-Methoxyphenylpyruvic acid, di-TMS 338 C16H2604Si2 000000-00-0 10 4Benzeneethanamine, N-[ (pentafluorop 563 C24H34F5NO3Si3 055429-13-5 9 Abundance Scan 4105 (42.653 min): 10779.D (-) m/z 73.10 100.00% 73

147 5000 221 355 3 k I I I I I I I 281 49 193 429 42.40 42.60 42.80 43.00 Ll i' ' 111 . . . “I 1 ' | L ' 'i' 1 ' 1 1 ' ' I 1 ' 1 ' 1 1 ' "7 I I m/z 147.05 57.71%

—A miz->_____ 50 100 150 200 250 300 350 400 450 500 550 Abundance #30949: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147

5000 42.40 42.60 42.80 43.00 221 m/z 221.10 41.17% 45 104 193 T । ■ ■ I I ■ r1, , । , , . . । . , , , । , , , , । । । । । । । । । । । । , i m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73 1 i 1 1 42.40 42.60 42.80 43.00 5000 m/z 355.10 24.45% 147

221 281 327 415 519 . i ....... । | । i । । । । । । " i 11 | i l i | i i 1 it | i !) r | i i i i | L rn i i । i i i i । 519 561 r-t—i—1—|—DT

m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #47880: 2-Methoxyphenylpyruvic acid, di-TMS 147 ... 42.40 42.60 42.80 43.00 m/ z 74.00 17.19% 73 5000

267 47 | 207 | 307 m/z-> 50 100 150 200 250 300 350 400 450 500 550 42.40 42.60 42.80 43.00

10779.D GCMS0510.M Mon May 13 15:50:09 2002 Page 5

NYC-WTC_000045930

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NYC-WTC_000045930Source: NYC Law Department, mirrored locally

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