GCMS analysis results for unknown compounds, June 2002

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Laboratory report documenting GCMS analysis of sample AE12735 with surrogate recovery data and identification of unknown compounds.

NYC-WTC_000015200–000015223

Folder label: “GCMS X 6/3/02 A 6/7/02”

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NYC 9/11 Public Portal Document LLOLdLy bedrCIi tOIIpOUIIC KepOLL

Data File C:\MSDCHEM\1\DATA\060702\12736.D Vial: 12 Acq On 7 Jun 2002 5:32 pm Operator: Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 12 Cyclopentasiloxane, decamet... Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 12.37 0.27 ug/L 254563 Napthalene-d8' 13.39 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 83 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 83. 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 1581 (12.368 min): 12736.D (-1573) (-) m/z 73.10 100.00% 73

5000 267 355 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i 1 1 • 1 i ■

45 , 133 193 251 । 12 00 12.20 12.40 12.60 12.80 0 ''1111111|lf TITTTTTTTTTTTTTHTTTTLTTTTTTTTTTITTUTTTTTTTTTT — m/z 267.00 40.32% 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

5000 267 ' i ■ • 1 ■ i ■ ' i ■ • ■ ■ i ‘

12.00 12.20 12.40 12.60 12.80 355 m/z 355.00 30.05% 45

n/z-> 0- —ALHSaf**** I 96 115 133149165, 193, 223.41. 307323339 1 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 ■ i ■ ■ ■ ■ i ■'" i1" ■ 1" ■ ”'i ■ ■

Abundance #115315: Cyclopentasiloxane, decamethyl- 73

355 12.00 12.20 12.40 12.60 12.80 267 m/z 268.00 10.74% 5000

45 I 191207223 251 ,[ 323339 0- TTI————।—n*mnnmm—mOmmupa *mmmt m/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 12.00 12.20 12.40 12.60 12.80 m/z 356.00 10.62%

5000 267 179 356 45 147 1103 131 1 163 —4274 28 | ’ 0- 312 ■ l ■ " 11 ■' “ f " I’T m/z—> 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

12736.D 060302.M Mon Jun 10 11:23:32 2002 Page 15

NYC-WTC_000015219

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NYC-WTC_000015219Source: NYC Law Department, mirrored locally

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Laboratory report documenting GCMS analysis of sample AE12737 with surrogate recovery data and identification of unknown compounds.

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