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GCMS sample analysis results, AE11799, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11799.

NYC-WTC_000012794–000012822

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\l\DATA\052202\11799.D Vial: 6 Acq On : 22 May 2002 5:54 pm 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 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 39.26 0.98 ug/L 541184 Perylene-d12 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qua l 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0/38 2 Tris(trimethylsilyl)borate 278 C9H27BO3Si3 004325-85-3 14 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 12 4 Trisiloxane, octamethyl- 236 C8H2402Si3 000107-51-7 10 Abundance Scan 6157 (39.255 min): 11799.D (-6145) (-) m/z 73.10 100.00% 73 221 147

5000 281 355 429 , 96 39.00 39.20 39.40 39.60 0- 40 - I j~ - —200A I . m/z 221.10 94.27% miz-> 50 100 150 250 300 350 400 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,57,7... ................ . 147 2211

73 5000 39.00 39.20 39.40 39.60

N_ 191 m/z 147.10 79.87% 117 279 — 0- 45 1’1" 1 1 1,1,249+.. miz-> 50 100 150 200 250 300 350 400 Abundance #27488: Tris(trimethylsilyl)borate 73 221 _** 39.00 39.20 39.40 39.60 5000 m/z 207.00 48.46%

Qi 45 J I 7 133 1,1034 1,1 .4 144 A 175 ■ i 263

■ ■ • * । * ■ * * 1 > * * * । < Nwk/oonno tnfz-> 50 100 150 200 250 300 350 400 Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bisKtrim... 73 39.00 39.20 39.40 39.60 147 m/z 281.00 39.13% 5000 281 45 369 0 ■ i ' I, , | 17* . 207 249 L . ........... J ■ ■ j . T T m/z-> 50 100 150 200 250 300 350 400 39.00 39.20 39.40 39.60

11799.D 052202.M Tue May 28 12:03:06 2002 Page 23

NYC-WTC_000012821

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NYC-WTC_000012821Source: NYC Law Department, mirrored locally

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