GCMS analysis results for sample AE02575, March 2002

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Laboratory report documenting GCMS analysis of sample AE02575 conducted on March 25, 2002, identifying other unknown compounds.

NYC-WTC_000038871–000038890

Folder label: “GCMS X 3/4/02 A 3/20/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\MAR1902\2575.D Vial: 24 Acq On : 21 Mar 2002 3:41 am Operator: Sample : gc/ms scan 3/4 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 3-Isopropoxy-l,1,1,7,7,7-hexam Concentration Rank 3

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

20.86 0.66 ug/1 145955 Acenaphthene-dl0 21.22

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy-1 1,1,7,7, 7-hexamethyl 576 C18H5207Si7 071579-69-6 40 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 38 3 3-Isopropoxy- 1, 1,1,5,5,5-hexamethyl 354 C12H3404Si4 072182-11-7 16 4 4-Amino-5-imidazole carboxamide, tr 342 C13H30N4OSi3 000000-00-0 10 Abundance Scan 1722 (20.857 min): 2575.D (-) : m/ z 73.00.. 100.00% / 73

5000 147 281 ----- 327 45 20.60 20.80 21.00 21.20 - 117 . 191 43 251— 4 1 L . 383 415, A... m/ z 281.00 40.19% m/z-? 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-lsopropoxy-1?1,1,7,7,7-hexamethyl-3.5,5-tris(trim 73

5000 147 20.60 20.80 21.00 21.20

221 m/z 147.0p 39.55% I 281 327 415 519 561 ■ “ i 1 1 ■ ' i 1 ' ' ' 1 1 1 1 ■ r ■ ' 1 ■ i ' ■ ‘ ■ 1 1 ■ < • i T > m/z->50 100 150 200 250 300 350 400 450 500 550 Abundance 73 147 ........A...... A— 281 20.60 20.80 21.00 21.20 5000- m/z 326.90 15.07%

207 369 249 338 -r-T , > I . i | I . 1 I | r-TT-i-j-T-T ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i • ■ ■ ■ i ■ ■ • ■ i ■ ■ ■ r i ■ ■ • 1 i ■ ■ m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #49645: 3-lsopropoxy-1,1,1,5,5,5-hexamethyl-3-(trimethylsil - 73 20.60 20.80 21.00 21.20 281 m/z 282.00 11.47% 5000 207 339 249 —————133 — 177 ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ■ ■ > ■ i ■ ■ ■ ■ । ■ ■ ■ ■ । ■ i ■ • —..... A........ m/z-> 50 100 150 200 250 300 350 400 450 500 550 20.60 20.80 21.00 21.20

2575.D GCMS0308.M Thu Mar 21 14:23:40 2002 Page 5

NYC-WTC_000038882

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NYC-WTC_000038882Source: NYC Law Department, mirrored locally

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