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GCMS sample analysis results, AE11904, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11904.

NYC-WTC_000012937–000012965

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\l 1904.D Vial: 11 Acq On : 22 May 2002 9:58 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 11 Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 15 Trisiloxane, 1,1,1,5,5,5-he... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 33.20 0.68 ug/L 359943 Perylene-d12 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 35 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan. .. 294 C10H3002Si4 004342-25/) 32 3 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 32 4 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 25 Abundance Scan 5126 (33.197 min): 11904.D (-5108) (-) m/z 73.10 200.00% 73 147 221 5000 281 355 429 32.80 33.00 33.20 33.40 33.60

miz-> 0—0r 49 n 50 ' . 100 —4 1 1 ‘ 150 200 250 432741 300 350 — 400 L m/z 147.10 73.82% Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 147

5000 1...... I , ,n-rfr. ’ I’’’}’ 281 32.80 33.00 33.20 33.40 33.60 45 369 m/z 221.10 56.18% oS-0 11 117 - 1_? I207 249 I, t t t 1 ,11 1 , . -I_J_J_r J r 1fr-r— miz-> 50 100 150 200 250 300 350 400 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4.5,5,7,7... 147 2.11 AMMYM... 1 ■ ■ ■ ■ i ■ ‘ ■ ■ i ■ ■

73 32.80 33.00 33.20 33.40 33.60 5000 m/z 281.00 42.02% 191 117 279 0—1T Tm 45 ... 4., L 249 ' i ' ' ’ ■ i '' 1 ' ' ‘ ‘ i ‘ ‘ niz-> 0 50 100 150 200 250 300 350 400 Abundance 73 #26922: Mercaptoacetic acid, bis(trimethylsilyl)- LAMCAA4-A-4—A4-AA— 32.80 33.00 33.20 33.40 33.60 147 m/z 207.00 28.63% 5000

45 193 221 whnMW 13 . 11 T] 104 O—T ‘ 1 T 1 I T .. 1 , . 169 L . , 1___________________________________________ ■ r1 ’ ""I • ’ 5 1 1 ■ ‘ ' I ‘ ‘ ‘ ' I 1 ' 1 ' 1 ‘ ‘ ‘ ‘ I ‘ ‘ m/z—> 0 50 100 150 200 250 300 350 400 32.80 33.00 33.20 33.40 33.60

11904.D 052202.M Tue May 28 12:09:26 2002 Page 18

NYC-WTC_000012959

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