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GCMS blank analysis for sample AE02152, March 2002

Machine-extracted title · confidence 100%

Laboratory blank analysis report for sample AE02152 conducted on March 18, 2002, to verify instrument cleanliness.

NYC-WTC_000010473–000010482

Folder label: “GCMS X 1/31/02 A 3/4/02

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NYC 9/11 Public Portal Document Library Search Compound Report pata File C:\MSDCHEM\1\DATA\030402\0131LB.D Vial: 5 Acq On 4 Mar 2002 1:32 pm Operator: McLean Sample 1/31 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 Cyclohexasiloxane, dodecame... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 15.14 0.70 ug/L 276266 Naphthalene-d8 13.05

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclohexasiloxane, dodecamethyl-... 444 C12H3606Si6 000540-97-6 91 2 Cyclohexasiloxane, dodecamethyl- 444 C12H3606Si6 000540-97-6 90 3 METHYL 2,3-BIS(TRIMETHYLSILYLOXY... 341 C16H27DO4S12 000000-00-0 40 4 Cyclohexasiloxane, dodecamethyl-... 444 C12H3606Si6 000540-97-6 32 Abundance Scan 1330 (15.139 min): 0131LB.D (-) m/z 73.10 100.00% 73

5000 341

147

m/z-> Abundance 0- -+45

50 100 117 150 If Ji 200 179 207 250 300 251 350 400 r i • ■ ■ • i 429 14.80 15.00 15.20 1540 m/z 341.00 36.20%

#352523: Cyclohexasiloxane, dodecamethyl- $$ Dodecamethylc... 73 341

429 5000 14.80 15.00 15.20 15.40 m/z 147.10 15.88% 147 45 117 I 207 267 311[ 397, 0- IIm* m/z-> Abundance —g 100 150 200 250 300 350 #352522: Cyclohexasiloxane, dodecamethyl- 400

73 ’111’1/11/8 14441144489 14.80 15.00 15.20 15.40 5000 m/z 342.00 12.34% 341 429 147 45 117 7 m, 177 297 237 271 311 367 397 ; 1 0* ’.8 • ■ i 1 P -r PI 11 r"dr 1-1 f 14 "I6**** miz—> 50 100 150 200 250 300 350 400 Abundance#289709: METHYL 2,3-BIS(TRIMETHYLSILYLOXY)-5-DEUTEROPHEN Y 73 180 TI T T l ‘ ‘ ‘ I 14.80 15.00 15.20 15.40 m/z 429.10 12.29%

5000 341 45

0 1 • t 1 TT—T 1222 , 106 149 268 310, .......... ’I T T T T miz-> 50 100 150 200 250 300 350 400 14.80 15.00 15.20 15.40

0131LB.D 5080302.M Mon Mar 18 08:30:10 2002 Page 4

NYC-WTC_000010480

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NYC-WTC_000010480Source: NYC Law Department, mirrored locally

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