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GCMS analysis results for sample AE10809, May 2002

Machine-extracted title · confidence 50%

Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045984–000046005

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\10809.D Vial: 19 Acq On 15 May 2002 5:01 am Operator: Mclean Sample 5/7 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 5 Cyclotetrasiloxane, octamet.. Concentration Rank 4

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

9.25 0.36 ug/L 432909 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-2 64 2 7H-Dibenzo[b,g]carbazole, 7-methyl- 281 C21H15N 003557-49-1 64 3 5H-Naphtho[2,3-c]carbazole, 5-me... 281 C21H15N 100025-44-3/53 4 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 47 Abundance Scan 1051 (9.255 min); 10809.D (-1039) (-) m/z 2 81.00 100.00% 281

5000 ......... /.......... ' ' 1 ■ I ‘ 1 1 ' I 1 ' 1 1 1 1 ' ' ' I 11 1 133 193207 249 265 9.00 9.20 9.40 9.60 45 57 73 103 163 177 1 4 l„ I O— i I । V । | 1 । i 1 [ I i r ' i '' 1 1 1 i 1 1 ' ' 1 1 1 1i । 1 । । I । । । T । T 1 i । 4 m/z 282.10 28.55% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #128141: Cyclotetrasiloxane, octamethyl- 281

5000 9.00 9.20 9.40 9.60 m/z 283.00 14.35% 265 — 59 73| 133 177 193 207 o1 45 T"1 I I | I1 | I I | I U I Ou T I | I i i i | TV t I I I I I I I I I I I I 11 235 1 m/z-> :20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #97365: 7H-Dibenzo[b,g]carbazole, 7-methyl- 281 1 1 1 ■ i ' 1 1 ' i ‘ 1 1 ' i 1 1 ' 1 i 1 1 ' 9.00 9.20 9.40 9.60 5000 m/z 193.00 10.53%

266 119 133 150163175187200213226239252 | 27 39 51 63 75 87 100 । r i‘‘| t", i11"7 iiii |-i । । । । iii ■ t ■ i ■ ■ । i ii "1 । i" i 1* 0 • 1 > i 1i r i ■ i | I I I I | I I I i | i

m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #97364: 5H-Naphtho[2,3-c]carbazole, 5-methyl- 281 9.00 9.20 9.40 9.60 m/z 133.00 9.45%

5000

140 266 27 39 51 63 75 87 100113125 | 163175187200213226239252 | , 0I । i i । TT i r TT**I—r i | i 'i i t | r i I1 i I 'i I1 1" t i' r i | "DI IIIIIII rr i ] i । i i“| । i't । T । rT _______ ________ ■ ■ i ' 1 1 1 i 1 1 ' ■ i 1 ' ■ ■ i 1 r

m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 9.00 9.20 9.40 9.60

10809.D 050102.M Thu May 16 12:37:30 2002 Page 9

NYC-WTC_000045997

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NYC-WTC_000045997Source: NYC Law Department, mirrored locally

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