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GCMS method 508 scan data for WTC samples, March 2002

Machine-extracted title · confidence 90%

Instrument data file containing chromatographic scans and compound identification for environmental samples analyzed in March 2002.

NYC-WTC_000037884–000037905

Folder label: “GCMS X 2/20/02 A 3/20/02

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Scanned page image, NYC-WTC_000037890
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NYC 9/11 Public Portal Document

» Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\031902\3800.D Vial: 10 Acq On : 19 Mar 2002 7:02 pm Operator: McLean Sample : RE-INJ 2/20 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L

Peak Number 2 Cyclotetrasiloxane, octamet... Concentration Rank 11

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

8.91 1.08 ug/L 356905 1,4-Dichlorobenzene-d4 9.54

Hit# of 5 Tentative ID MW MolForm CAS# Qual

l Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-291 2 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 $91 3 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 91 4 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4; 000586-67-2 90 Abundance Scan 643 (8.908 mln): 3800.D (-) m/z 281400 100.00% 281

5000

T T “T I 73 133 193 249 8.60 8.80 9.00 9.20 0 56 | mpmmmmmp 103 163I k I L m/z 282.10 28.84% miz-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244216: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 281

5000 .. 1... •' I' ‘ ‘ ‘ I ■ ‘ ‘' 1' ‘ ' i' ' I 8.60 8.80 9.00 9.20 m/z 283.00 16.11%

28 45 73 103 133 163 193 d 249 [ L 0--i TITTIT TTppn T TItI T 111 ri^ । Th TDTIT miz-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244215: Cyclotetrasiloxane, octamethyl- 281

1' 11'1 ■ 11' ■' I' ■ ■' i ■' ■ • 1 8.60 8.80 9.00 9.20 m/z 133.00 9.58% 5000

mtz-> 0 +25,,51,73103..4133.163.144221..248,4.1,299, 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244214: Cyclotetrasiloxane, octamethyl- $$ Octamethyicycl... 281 TITrr 1111' 1' ‘' 1 8.60 8.80 9.00 9.20 m/z73.10 8.85%

5000

133 207 249 , 15 45 73. .................... - 0 TDmDTem ■' i1 • ■ ■ i ■ ■ ■ • 1 •1111 ■1 ■11 miz—> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 8.60 8.80 9.00 9.20

3800.D 5080302.M Thu Mar 21 11:42:14 2002 Page 4 NYC-WTC_000037890

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NYC-WTC_000037890Source: NYC Law Department, mirrored locally

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