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GCMS analysis results, sample AE07627, April 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis of sample AE07627 conducted April 9, 2002, detecting unknown compounds and 2,4-DDD surrogate at 94% recovery.

NYC-WTC_000047236–000047244

Folder label: “GCMS X 4/2/02 A 4/3/02”

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Data File C:\MSDCHEM\l\DATA\020403\07627.D Vial: 18 Acq On 4 Apr 2002 12:48 am Operator: Nefliu Sample sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020403.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 2 Cyclopentasiloxane, decamet... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 14.69 2.69 ug/1 2448870 Naphthalene-d8 15.77 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 91 2 Cyclopentasiloxane, decamethyl - 370 C10H3005Si5 000541-02-6 91 3 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 90 4 Benzoic acid, 2,5-bis(trimethyls... 370 C16H30O4Si3 003618-20-0 47 Abundance Scan 1976 (14.689 min): 07627.D (-1963) (-) m/ z 73.10 100.00% 73

267 355 5000

L 323 1 45 154 193 223 249 14.40 14.60 14.80 15.00 01 ______________ I I I________ | r ' ' > | i i i । [ । । ' । [ । I r । | । I I । | 1 ,________ I ll . J , ill | ' 1 1 I | I I < 1 | I i V I | I I I I | I I 11] I IM | I r" 111"I ‘ l11 •11" 111 m/z 355.00 55.61% Tl/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115315: Cyclopentasiloxane, decamethyl- 73

355 267 5000 14.40 14.60 14.80 15.00 m/z 267.00 53.73% 45 207 249 I 0 i11" i " " r1 " ' r ' " । ...... .. । 11" " 111111" " 11 Tr* 1 , |rr, rp i", i | fV-i ■ । I I n/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #128838: Cyclopentasiloxane, decamethyl- 355 73 267 14.40 14.60 14.80 15.00 5000 m/z 356.00 20.87%

27 45 i 103 133 162 193 223 249 |2 293 323 0 i " " r ' " i " "11 ■ “TTTTTTTTNTTTTTTTTTT ! ' 'T, | iT ■ p . TTp- mH n/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #103462: Cyclopentasiloxane, decamethyl- 355 14.40 14.60 14.80 15.00 m/z 268.00 14.20% 73 267 5000

4 28 45 108 133 154 176193 223 249 293 323 0 T'1111111111111 ,TITITgmiu TTTTTTTTT "i111 ■ । -PT 1’11 n/z- > 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 14.40 14.60 14.80 15.00

07627.D SCAN020403 ,M Thu Apr 04 10:46:04 2002 Page 4

NYC-WTC_000047243

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NYC-WTC_000047243Source: NYC Law Department, mirrored locally

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