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GCMS blank analysis results, May 22, 2002

Machine-extracted title · confidence 95%

Laboratory report showing blank sample analysis for volatile organic compounds using gas chromatography-mass spectrometry on May 22, 2002.

NYC-WTC_000013049–000013076

Folder label: “GCMS X 5/21/02 A 5/21/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\052102\LB.D Vial: 10 Acq On 21 May 2002 8:40 pm Operator: Mclean Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 17 Cyclononasiloxane, octadeca... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 35.38 1.46 ug/L 1136330 Perylene-dl2 34.67 Hit# of 5 Tentative ID MW MolForm CAS#

1 Cyclononasiloxane, octadecamethyl- 666 C18H5409Si9 000556-71-8 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 38 4 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 35 Abundance Scan 5497 (35.377 min): LB.D (-5487) (-) m/ z 73.05 1 .00% 73 147 221

5000 281 355 ‘ r l‘ 1 429 3500 35.20 35.40 35.60 35.80

miz-> 0- 44 ■ ‘ 11 ■ 1-‘ i ■1 - 191 13254 —fr ... .......... 503................................. 50 100 150 200 250 300 350 400) 450 500 550 600 .650 m/z 147.10 77.46% Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429

. i ■1. 355 5000 281 3500 35.20 35.40 35.60 35.80 m/z 221.10 75.02% 475 651 0- ' ■11 ’ ■ ■ ■ i • ■ 1...... 4/... M — miz-> 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221 ....... R......... 73 3500 35.20 35.40 35.60 35.80 5000 m/z 281.00 38.09% 191 279 28 . 0- TTt — 2501................. miz-> 50 100 150 200 250 ‘360' '356' 400 450 500 550 600 650 Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 35.00 35.20 35.40 35.60 35.80 147 m/z 355.10 29.78% 5000 281 369

/z-> 0 L 50 100 117 150 207 249 200 250 300 350 400 450 500 550 600 650 ___________ 35.00 35.20 35.40 35.60 35.80

LB.D 052202.M Wed May 22 12:03:25 2002 Page 2 0

NYC-WTC_000013072

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NYC-WTC_000013072Source: NYC Law Department, mirrored locally

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