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GCMS analysis results for sample AE02381, March 2002

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Laboratory report detailing gas chromatography-mass spectrometry analysis of environmental sample AE02381 conducted on March 22, 2002.

NYC-WTC_000010659–000010676

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

Data File C:\MSDCHEM\l\DATA\030402\2381.D Vial: 16 Acq On 4 Mar 2002 10:32 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 6 SILICATE ANION TETRAMER Concentration Rank 7

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

24.29 0.57 ug/L 259977 Phenanthrene - dl 0 22.52

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 SILICATE ANION TETRAMER 888 C24H72012S112 000000-00-0 50 2 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si 003555-47-3 50 3 SILICONE POLYMER 458 C14H4205 .6 000000-00-0 43 4 TETRACOSAMETHYLCYCLODODECASILOXA. . . 888 C24H7201 i12 018919-94-3 43 Abundance Scan 2339 (24.291 min): 2381 D (-) m/z 73.10 100.00% 73

5000 147 221 281 TTT ■ i ' ■ ' ■ i ■ ■■ 355 24.00 24.20 24.40 24.60

m/z-> 45 0- 1 1 141 1 1*1 *1 | ! —Pr 50 100 150 +191— A+4321. 401 200 249 „ 250 .. 429 400 300 ——— 350 m/z 147.10 42.25%

Abundance #391009: SILICATE ANION TETRAMER 73

5000 147 '■T-n-rrA • i ■ ■ • ■ i • ■ 24.00 24.20 24.40 24.60 221 m/z 221.10 25.24% 28 281 401 0- ■ I n i X. rp 1 1 , m/z-> 50 100 150 200 250 300 350 400 Abundance #322218: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 147

281 24.00 24.20 24.40 24.60 5000 m/z 281.00 25.09%

369 45 207 249

miz-> 0- 44 50 117 TTPrT —fT 100 150 | 200 177 rr4 ■ 'i 250 I 310 341....... 300 350 400 Abundance #392084: SILICONE POLYMER 73 T T 11 T 24.00 24.20 24.40 24.60 m/z 207.00 11.95%

5000 147

221

m/z—> 0 43 • ■ i 1 • 50 100 150 182 s * 200 A —— 249 4ee)T 221 pi 250 300 350 * 400 24.00 24.20 24.40 24.60

2381.D 5080302.M Mon Mar 18 08:33:25 2002 Page 8

NYC-WTC_000010671

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NYC-WTC_000010671Source: NYC Law Department, mirrored locally

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