GCMS blank analysis results for sample AE08251, April 2002

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Laboratory report of a GCMS blank analysis for sample AE08251 conducted on April 17, 2002, showing non-detect levels for various compounds.

NYC-WTC_000047757–000047768

Folder label: “GCMS X 4/8/02 A 4/17/02”

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Data File C:\MSDCHEM\l\DATA\020417\0408LB.D Vial: 3 Acq On 17 Apr 2002 11:01 am Operator: Nefliu Sample 04/08 1b Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method C:\MSDCHEM\1\METHODS\041702SCAN.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 Cyclopentasiloxane, decamet... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 12.46 0.90 ug/L 1136860 Napthalene-d8 13.49

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 91 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 91 3 Benzoic acid, 2-[(trimethylsilyl... 282 C13H2203Si2 003789-85-3 47 4 Phenethylamine, N-methyl-.beta.,... 399 C18H37NO3Si3 010538-85-9 38 Abundance Scan 1597 (12,462 min): 0408LB D (-1589) (-) m/ z 73.10 100.00% 73

5000

.... L 267 355 ' 1 I ' 1 1‘dl 1 I r ■ ■ 1 i

45 12.20 12.40 12 60 12 80 0- TOmTuo, , 103 133 154170 193 223 251 323 339 1 tA ITTUIUBIUUmemu m/z 267.00 41.00% n/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115315 Cyclopentasiloxane, decamethyl- 73 355 267 ... ............ . 5000 12 20 12 40 12.60 12 80 m/z 355.00 33.22% 45 , 191207 223 251 | 323339 I 0---- 11 ■ " ■ i ■" 11 " 1' i ■ " ' i ■ " ' r 1** । ।।।।. It. । ii . ।.. TT n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115273: Cyclopentasiloxane, decamethyl- 73

12.20 12.40 12 60 12.80 5000 267 m/z 356.00 12.80% 355 45 0- UZ+X 96 115 133149165 , 193208223 — 11'1 ■ 11 251 282 307 323339 s TIunnnenpur Tl/Z--> Abundance 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360

73 #115267' Benzoic acid, 2-[(trimethylsily!)oxy}. trimethyl... m 12 20 12 40 12.60 12 80 m/z 268.00 11.08% 5000 267 45 91 135 | 151 175 193209 233249 |. 0-— 111] Indtrmr I ’7 TH— I 1111115 gu—TLTTTLTTTT I'' ' ■ 1 1' n/Z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 12 20 12 40 12.60 12.80

0408LB.D 041702SCAN.M Thu Apr 18 09:09:40 2002 Page 6

NYC-WTC_000047765

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