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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 2** Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 19 Trisiloxane, 1,1,1,5,5,5-he... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 37.71 1.43 ug/L 790018 Perylene-dl2 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 27 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 25 3 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-525 4 2-Methyl-l,4-bis(trimethylsiloxy... 248 CllH28O2Si2 105747-05-5 10 Abundance Scan 5895 (37.716 min): 11799.D (-5880) (-) m/z 73.05 TOO.00% 73 147 221

5000 281 355 429 ... 191 37.40 37.60 37.80 38.00 0-T 40 —I I, i r ,h i ----- m/z 147.10 91.53% miz-> 0 50 100 150 200 250 300 350 400 Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 147

5000 A 00/1/227 pAn’I ■ 1 1 I 281 37.40 37.60 37.80 38.00 45 369 m/z 221.10 84.23% 207 249 0-T Xa ‘I ' 117 . I l t

iz-> 0 50 100 150 200 250 300 350 400 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,77... 147 2111 ' ■ ' 1 • ■ • ■ 1 ■ ■ • ■ i ■ ' ■ ■ i ■ ■ ■ ■ i 73 37.40 37.60 37.80 38.00 5000 m/z 281.00 45.13% 191 117 — 279 0- 45 1 ’ 1 ' * .1 L 11 ,2491.. niz-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 37.40 37.60 37.80 38.00 147 m/z 207.00 43.42% 5000

45 221 wuAopwot 193 13.1 10 104 0— ■ ■ ′ 1 1T Ti T f11 T 1691 1 1 ■ 1 • ■ i ■ • • m/z-> 0 50 100 150 200 250 300 350 400 37.40 37.60 37.80 38.00

11799.D 052202.M Tue May 28 12:03:05 2002 Page 22

NYC-WTC_000012820

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