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GCMS analysis results for sample AD28860, Dec 16 2001

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Laboratory report of GCMS analysis for sample AD28860 conducted on December 16, 2001, showing compound identification.

NYC-WTC_000018817–000018829

Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : M:\INSTRU~1\209\DATA\DEC2701\29735.D Vial: 18 Acq On : 29 Dec 2001 3:45 pm Operator: 209 GALOS Sample : GC/MS SCAN Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 3-Isopropoxy-l,l,l,7,7,7-hexam Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. 20.28 0.37 ug/1 157332 Acenaphthene-dl0 20.56 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy- 1,l^Z/7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 42 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 42 3 3-Isopropoxy-1,1,1,5, 5,5-hexamethyl 354 C12H3404Si4 072182-11-7 23 4 4-Amino-5-imiaazole carboxamide, tr 342 C13H30N4OSi3 000000-00-0 9 Abundance Scan 1660 (20.280 min): 29735.D (-) m/z 73.00 100.00% 73

5000 147 281 327 r. , .9 1- APr । । m/z-> 45 I 50 100 117 T-f-r 150 191,2?1 251 ut Part 1* 200 250 —LG 300 350 400 450 500 550 20.00 20.20 20.40 20.60 rn/z 281.00 34.91% Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73

5000 147 20.00 20'20 20.40 20.60 m/z 147.00 34.45% 271 231 327 415 519 561 j । 1 r !-i । 1""r 1 । 11 rj' r r r j j rer IIIIIII"IIIf m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459; Trisiloxane, 1.1.1.5,5.5-hexamethyl-3,3-bis[(trimet 73 147 - • i ■ ■ ■ • i • ' 281 20.00 20.20 20.40 20.60 5000 rn/z 326.90 14.85% 369 207 249 338 miz-> 50 100 150 200 250" 300 ’350 400 450 ’ 500’’550 Abundance #49645: 3-lsopropoxy-1.1,1,5,5,5-hexamethyl-3-(trimethylsil 73 281 20.00 20'20 20.40 20.60 m/z 282.00 9.60% 5000 207 339

1111101133,177,77 50 100 150 200 250 300 * i • • 350 400 450 500 550 20.00 20.20 20.40 20.60

29735.D GCMS1126.M Tue Jan 29 14:27:28 2002 Page 5

NYC-WTC_000018828

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NYC-WTC_000018828Source: NYC Law Department, mirrored locally

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