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← Document results/DEP Box 18/GCMS X 5/16/02 A 5/20/02
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GCMS scan data for sample AE11420, May 2002

Machine-extracted title · confidence 100%

Fragmented GCMS scan data page showing tentative identification of compounds and surrogate recovery for sample AE11420.

NYC-WTC_000025430–000025446

Folder label: “GCMS X 5/16/02 A 5/20/02

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Scanned page image, NYC-WTC_000025444
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Library Search Compound Report

Data File': C:\MSDCHEM\1\DATA\052002\11420.D Vial: 10 Acq On : 20 May 2002 8:37 pm Operator: Mclean Sample : 5/16 eh 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 11 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 6

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

39.32 0.35 ug/L 304314 Perylene-dl2 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,6-Dioxa-2,4,5,7-tetrasilaoctan ... 294 C10H3002Si4 004342-25-0 38 2 Heptasiloxane, 1,1,3,3,5,5,7,7,9... 504 C14H4406Si7 019095-23-9/25 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 10 4 Stannane, tributylethyl- 320 C14H32Sn 019411-60/0 10 Abundance Scan 6167 (39.314 min): 11420.D (-6147) (-) m/z 147.00 100.00% 73 147 221

281 355 5000

191 i A/*........ । .... । 51 429 39.00 39.20 39.40 39.60 — 96 0- ■ 1 1 " 1 . । ' . । ■ 1 1 ■ r 1 ■ 1 ■ 1 ' ■ 1 1 "i m/z 221.10 96.99% m/z-> 50 100 150 200 250 300 350 400 450 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

73 5000 1—1nd/1/T—n[ 39.00 39.20 39.40 39.60 191 m/z 73.05 87.57% 117

X 279

n/z-> 01 45 T‘138 50 100 U— ,i L 249. I........................ 150 200 250 300 350 400 450 Abundance #27374: Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tet... 73 MrHM . , MA 39.00 39.20 39.40 39.60 5000 207 m/z 207.00 53.29%

133 281 103 1| 177k 1 , 2531 . | 3271,1 377399 429 | . 355 MadyMowoMLyovw 01 Xi ‘47 489 1 ' 1 miz-> 50 100 150 200 250 300 350 400 450 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 39.00 39.20 39.40 39.60 m/z 355.00 50.53%| 281 5000

369 45

/z-> 0 LL 95117 ‘ 1 1 1 1 t 1-" 50 100 ,177,22291 150 200 250 I ". 310 341 J । 300 .... 350 1 .> 1 1 400 i . 450 39.00 39.20 39.40 39.60

11420.D 050102.M Thu May 23 14:07:17 2002 Page 14

NYC-WTC_000025444

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NYC-WTC_000025444Source: NYC Law Department, mirrored locally

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