GCMS analysis results for unknown compounds, June 2002

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Laboratory report documenting GCMS analysis of sample AE12738 with surrogate recovery data and identification of unknown compounds.

NYC-WTC_000015282–000015310

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

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\060702\12739.D Vial: 15 Acq On 7 Jun 2002 7:58 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 15 Cyclopentasiloxane, decamet... Concentration Rank 16 R.T. EstConc Area Relative to ISTD R.T. 12.37 0.33 ug/L 354766 Napthalene-d8 13.39 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 83 3 Tetrasiloxane, 1,1,3,3,5,5,7,7-0... 282 C8H2603Si4 001000-05-1 28 4 Benzoic acid, 2-[(trimethylsilyl... 282 C13H2203Si2 003789-85-3 25 Abundance Scan 1581 (12.369 min): 12739.D (-1573) (-) m/z 73.10 100.00% 73

5000 267 355 45 162 191207223 251 12.00 12.20 12.40 12.60 12.80

mfe-> I ! *emmmnmmapTmRT 0- 1 * “ 11 “1. 1 ‘ 1I “ “ 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 11—71323339.... m/z 267.00 41.19% Abundance #115273: Cyclopentasiloxane, decamethyl- 73

5000 267 ■ i ■ ■ ' ■ i ■ ■ ■ ■ ■ i ■ • ■ ■ r ■ 12.00 12.20 12.40 12.60 12.80 355 m/z 355.00 24.19% 45 28 o--96 115 133149165 193 223 21 307323339 nfa-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115315: Cyclopentasiloxane, decamethyl- 73

355 12.00 12.20 12.40 12.60 12.80 267 5000 m/z 268.00 11.73%

45 191207223 251 323339 0- 1 ’ । . r. . । । । । . i. i । i n i j 11 i i । । i T i j i"i 11 । -i *m I’T m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #27274: Tetrasiloxane, 1,1,3,3,5,5,7,7-octamethyl- 1 i ■ • ■ 1 t 1 ■ ■ * i ■ > * * i * 73 12.00 12.20 12.40 12.60 12.80 193 m/z 356.00 9.89%

5000 267

— 45 I , 103 133 161177 , 0-A TTTTTTTTTM 229235251 . 283............... I | ,T> ’ 1 : f I I I I | 1 , r-rfl I 1 I | I 1 1 I | I > . JI . 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

12739.D 060302.M Mon Jun 10 11:51:15 2002 Page 18

NYC-WTC_000015304

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NYC-WTC_000015304Source: NYC Law Department, mirrored locally

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GCMS analysis results for unknown compounds, June 2002 · Box DEP Box 15

NYC-WTC_000015224

Laboratory report documenting GCMS analysis of sample AE12736 with surrogate recovery data and identification of unknown compounds.

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