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Document / 13 pages

GCMS scan file header, Nov 2001

Machine-extracted title · confidence 90%

Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.

NYC-WTC_000030685–000030697

Folder label: “GCMS SCAN X 10/31/01 AN 11/21/01

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Scanned page image, NYC-WTC_000030693
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\NOV1901\LBA.D Vial: 14 Acq On : 20 Nov 2001 3:59 am Operator: 209 GALOS Sample : gc/ms unknown Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 3 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 4

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

38.05 0.81 ug/1 165294 Perylene-d12 37.15

Hit# of 5 Tentative ID MW MolForm ' CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 37 2 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 12 3 2,6-Dimethyl-3,4-bis(trimethylsilyl 311 C15H29NO2Si2 000000-00-0 12 4 Tris(trimethylsilyl)borate 278 C9H27BO3Si3 004325-85-3 10 Abundance Scan 3596 (38.053 mln): LBA.D (-) m/ z 73.00~ 100.00% 73 147 221 5000 281 355 ... 429 _ 37.80 38.00 38.20 38.40 TIWITTTTTTTTT mH mpmp 41 1 191 , 401 1 mmp m 119. m/z 146.95 71.90% miz-> 40 60 80 100120140 160180200220240 260 280 300320340360380 400 420 Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasiiaoctane, 2,2,4,4.5,5,7,7- 147 221 73 5000 37.80 38.00 38.20 38.40 191 117 279 m/z 221.05 53.63% mmmp phm rmmmmm mz-> 40 60 80 100120140160180200220240260 280300320340360380400420 Abundance #72972. 1 2-benzonedicarboxylic acid. bis(trimethylsily!) e 147 , , ( ITT I I ।, . । Dr ■ 1 ■ ■ ■ 73 37.80 38.00 38.20 38.40 5000 m/z 280.95 29.58%-

i 45 295 119 193 221 | TTI"B—d—Eg]gg] II J | I 1 Cl | I I U I I U I | I U I TOHr I I I | miz-> 40 60 80 100120140 160180200220240260 280300 320340 360380400420 Abundance: #44359: 2,6-Dimethyl-3,4-bis(trimethylsilyloxymethyl)pyridi 73 221 37.80 38.00 38.20 38.40

£ m/z 354.95 24.79% 5000 147

178 45 — I - . 296 ,, 111... I,, 111., I,, 11,111,,, I,,,,, A______ r■ 1 ■ ■ i 1 ' miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 37.80 38.00 38.20 38.40

LBA.D NP103001.M Tue Dec 11 09:19:12 2001 Page 3

NYC-WTC_000030693

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NYC-WTC_000030679 · Box DEP Box 21

Gas chromatography-mass spectrometry scan record from late October to November 2001 regarding environmental sample analysis.

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