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GCMS analysis results for sample AE12475, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12475 conducted on June 4, 2002.

NYC-WTC_000014125–000014146

Folder label: “GCMS X 5/24/02 A 5/28/02

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\052802\12475.D Vial: 13 Acq On : 29 May 2002 12:04 am Operator: McLean Sample : 5/24 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e 2* Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 11 Cyclopentasiloxane, decamet... Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 12.37 0.29 ug/L 259241 Napthalene-d8 13.39 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 3 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 3 3,4-Dihydroxybenzyl alcohol,tris... 356 C16H3203Si3 068595-79-9 40 4 Benzoic acid, 2-[(trimethylsilyl... 282 C13H2203Si2 003789-85-3 28 Abundance Scan 1582 (12.374 min): 12475.D (-1576) (-) m/z 73.10 100.00% 73

5000 267 355 .......... .................. 45 193 251 12.00 12.20 12.40 12.60 12.80 0- —mmm 11 TVpnTTyrrTTpT-rTp-rTTpnnn7TTTTp-rTTpnnrTpn^nyrr^^ — m/z 267.00 40.50% niz-> 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 12.00 12.20 12.40 12.60 12.80 m/z 355.00 26.96% 45 , 191207223 251 [ 323339 i , O- “Iunpu—nnmanpamnpMmgaTmppmptnta T’T miz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115273: Cyclopentasiloxane, decamethyl- 73 ■ i ■ ■ ■ * i ‘ ■ /IIII!* 12.00 12.20 12.40 12.60 12.80 5000 267 m/z 268.90 11.68% 355 45 281.... . -----TmmrR23.44 TI307323339 96 115133149165,193 - ------- . Pnepinmutyuu n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #27659:3,4-Dihydroxybenzyl alcohol,tris(trimethylsily/)- 73 1200 12.20 12.40 12.60 12.80 m/z 267.90 11.55% 5000 267 179 356 45 147 28 J i 0-TTTTn 103 131 [ 163 209 237 , t 312 ■' ii'" n1 ii i1 miz—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 12.00 12.20 12.40 12.60 12.80

12475.D 052202.M Thu May 30 10:43:30 2002 Page 14

NYC-WTC_000014143

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NYC-WTC_000014143Source: NYC Law Department, mirrored locally

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