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GCMS analysis report sample AE11908, June 4, 2002

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GCMS laboratory report for sample AE11908 detecting unknown compounds and 2,4-DDD on June 4, 2002.

NYC-WTC_000013014–000013042

Folder label: “GCMS X 5-21-02 A 5-22-02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11908.D Vial: 15 Acq On : 23 May 2002 1:14 am Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 20 Cyclononasiloxane, octadeca... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 39.25 1.61 ug/L 661031 Perylene-d12 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclononasiloxane, Octadecamethyl- 666 C18H5409Si9 000556-71-8(83 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0-37 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 27 4 Tris(trimethylsilyl)borate 278 C9H27BO3Si3 004325-85-3 22 Abundance Scan 6156 (39.249 min): 11908.D (-6143) (-) m/z 221.10 100.00% 73 147 221

5000- 281 355 429 ** AMTY4 39.00 39.20 39.40 39.60 44 191 — 503 0- • ‘'i ‘ ■ - r4- I ' _ • • l • • rI . I । . 1 i ‘ ‘ ‘ ■ i ■ ■ ■ ‘ I 1 ■ ‘ ■ I ' 1 m/z 73.10 97.46% n/z-> 50 100 150 200 253 302 350 400 450 SCO 550 600 650 Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429

355 5000 281 39.00 39.20 39.40 39.60 m/z 147.10 96.43% 475

mz-> 0- ■ ■ ■ । ’ ■ ■ • । ■ ■ T >1.1, 44L IMp — 651 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221 __ 73 39.00 39.20 39.40 39.60 5000 m/z 281.05 48.03% 191 117 279 0- TTTT 28.[l — 2501.............. iz-> 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 39.00 39.20 39.40 39.60 m/z 207.00 43.20% 281 5000 AMMWWoHt 369 -+ 27 । 117 177207 249, 338 1 0J 1"*I in Pi —*rmihih ■: ■ ■ ■ ■ i ■r' ■ i ■ ■ ■ ■ i ■ ■ ■ 111 1 ■ ■ i■ ■ ■ * i ■ • ■ ■ i • ■ /z—> 50 100 150 200 250 300 350 400 450 500 550 600 650 39.00 39.20 39.40 39.60

11908.D 052202.M Tue May 28 12:16:00 2002 Page 23

NYC-WTC_000013041

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NYC-WTC_000013041Source: NYC Law Department, mirrored locally

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