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GCMS analysis results for sample AE10305, May 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE10305 conducted on May 17, 2002.

NYC-WTC_000045113–000045136

Folder label: “GCMS X 5/1/02 A 5/8/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\l\DATA\050802\10305R.D Vial: 26 Acq On 9 May 2002 12:56 pm Operator: Mclean Sample re-inj Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 13 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 36.50 0.48 ug/L 364141 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 47 2 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 37

□ 3 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 27 4 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 27 Abundance Scan 5688 (36.499 min): 10305R.D (-5680) (-) m/z 73.10 100.00% 73 147 221 281 5000 355 Wpsod 193 429 1 1 1 1 1 ' ' 1 ITT 1 36.20 36.40 36.60 36.80 0—T 44 — .......|....... I 111111*’1 * 1' ’ ’IT || I I | m/z 147.00 84.09% m/z-> 0 50 100 150 200 250 300 350 400 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

73 MAAA 5000 1 1 I ‘ ' 36.20 36.40 36.60 36.80 191 m/z 221.10 80.62% 117 279 — 45 1, I . 11 I 249 . ........................ ............... ... 0—T TI 1'11 1 1 m/z-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147 .............. .) __36.20 36.40 36.60 36.80 5000 m/z 281.05 63.80% 221 45 . 193 01 13.1), i ' ' ’ ■ i 1 1 - 104 , 169 , , ' 1 ' 1 1 1 1 1 1 1 m/z-> 0 50 100 150 200 250 300 350 400 Abundance #97318: Pentasiloxane, dodecamethyl- 1 I 1 1 73 147 281 36.20 36.40 36.60 36.80 m/z 355.10 40.94%

5000 369 207 249 45 117 0 mfe-> 0 50 100 150 200 250 300 350 400 36.20 36.40 36.60 36.80

10305R.D 050102.M Thu May 09 13:51:08 2002 Page 16

NYC-WTC_000045133

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NYC-WTC_000045133Source: NYC Law Department, mirrored locally

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