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GCMS analysis results for sample AE03803, March 22, 2002

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Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AE03803 conducted on March 22, 2002.

NYC-WTC_000037935–000037947

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

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\031902\3803.D Vial: 13 Acq On : 19 Mar 2002 9:29 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 1 Cyclotetrasiloxane, octamet... Concentration Rank 5

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

8.91 0.46 ug/L 144801 1,4-Dichlorobenzene-d4 9.54

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclotetrasiloxane, octamethyl- ... 296 C8H2404Si4 0556-67-2 91 2 Cyclotetrasiloxane, octamethyl- 296 C8H24O4S14 000556-67-2 91 3 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4S14 000556-67-2 91 4 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si 000556-67-2 78 Abundance Scan 643 (8.908 min): 3803.D (-) m/z 281.10 100.00% 281

5000

73 133 249265 I .. 193 8.60 8.80 9.00 9.20

miz-> 0- ................ „............... r... 1... II’L TTT - 1634444 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 m/z 282.00 28.19%

Abundance #244216: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 281

5000 ’’’r1r T \.................... ................ TI1 I’ ’t 11kt ’J 8.60 8.80 9.00 9.20 m/z 283.00 15.06% 73 133

mlz-> 28 45 0 ■rp+r . ।। 1, 103 . |. j... > ।. Tmmmgsg 177’23209 ...g.u 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244215: Cyclotetrasiloxane, octamethyl- 281

■ ■ i • •111 ■ • ‘11' ■ ■ • i • ■ ■ ■ i 8.60 8.80 9.00 9.20 m/z 193.00 8.73% 5000

25 51 73 103 133 1611/7 299 0- T100TTpn 1,7,11 Tr h TTTTT TTr n , ‘I’T m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244218: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 281 T T T TT 8.60 8.80 9.00 9.20 m/z 265.00 8.70%

5000

73 .193 249265 I

m/z—> 45 0- ' i " ■' i | —177 1,7+,221. 249/47.12 133 J “ i “ “ i “ ■ ‘ i ■ " ■ i'' “ i “ 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 297 rp-r T T 8.60 8.80 9.00 9.20 T • l • ■ • ‘ I

3803.D 5080302.M Thu Mar 21 11:46:07 2002 Page 3

NYC-WTC_000037942

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NYC-WTC_000037942Source: NYC Law Department, mirrored locally

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