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GCMS analysis results for sample AE10814, May 2002

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Gas chromatography-mass spectrometry report for sample AE10814 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000046081–000046093

Folder label: “GCMS X 5/7/02 A 5/15/02

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NYC 9/11 Public Portal Document

■Data File C:\MSDCHEM\1\DATA\051402\10814.D Vial: 24 Acq On 15 May 2002 9:06 am Operator: Mclean Sample 5/7 kb 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 2 Cyclotetrasiloxane, octamet.. Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T.

9.25 0.21 ug/L 197626 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 78 2 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-278 3 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 72 4 7H-Dibenzo[b,g]carbazole, 7-methyl- 281 C21H15N 003557-49-1 45 Abundance Scan 1051 (9.254 min): 10814.D (-1043) (-) m/z 281.10 '100.00% 201

5000 ... .............. 49 73 193207 0 TTUOuom- 1’1’ f I ! 11 I I ' I I I ■ I I I I I I I I I I _"Ur: 119133 249 265 | ll, I I d*1 I I I I I I I I I II I “ PI I I I I I I I I I I I m/z 282.00 9.00 9.20 9.40 24.82% 9.60

m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #128142: Cyclotetrasiloxane, octamethyl- 281

5000 ............... 1 ................. 1 I 1 , I 1 I I [ I I I > I I I "I I I III-

9.00 9.20 9.40 9.60 m/z 283.00 17.28% 25 51 73 87 103 119133147 1 63177 193207221 235249 265 , 299 O-T 1 I ■' ' 1 I 1 ■ 1 1 I 1 T PI"t 1“1“ I t | । i t 1 | । i l"l | I "I' I i | T i r i । । । li । IT > । । i । 17 | । Il r । ii । । I /z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #128141: Cyclotetrasiloxane, octamethyl- 2(H

9.00 9.20 9.40 9.60 5000 m/z 133.00 9.56%

265 73 133 o1 ' I ■' I 11 I ■ i 45 59 ■■ ■ ■ ■ I i ■ । ■ ■1 i ■ ■11 r 1 11 i ■ ■ 11 i 177 193207 235 i11'11 1 m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #97367: Cyclotetrasiloxane, octamethyl- 2(11 9.00 9.20 9.40 9.60 m/z 193.00 9.56%

5000

120 207 15 29 45 59 73 96 119 | 147 163177191 | 221235249 265 O-T ■ । • i । ■ ■' । ■ , .. I ll______________ ______ 1 . II ' ' | ' ' ' ' | ' ' ' ' | ' 1 ' ' | ......! . I | I I . . I .III . III III +295— ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । । ' i । । । । m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 9.00 9.20 9.40 9.60

10814.D 050102.M Thu May 16 14:16:38 2002 Page 5

NYC-WTC_000046090

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NYC-WTC_000046090Source: NYC Law Department, mirrored locally

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