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GCMS analysis results for sample AE11381, May 22 2002

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Laboratory report showing GCMS analysis results for sample AE11381 conducted on May 22, 2002.

NYC-WTC_000025102–000025126

Folder label: “GCMS X 5/15/02 A 5/17/02

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Data File : C:\MSDCHEM\1\DATA\051702\11380.D Vial: 7 Acq On : 17 May 2002 5:40 pm Operator: Mclean Sample : 5/15 ad Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 13 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 2

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

39.32 0.98 ug/L 699861 Perylene-dl2 34.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

l 3,6-Dioxa-2,4,5,7-tetrasilaoctan . .. 294 C10H3002Si4 004342-25-0 43 2 3-Isopropoxy-1,1,1,7,7,7-hexamet... 576 C18H5207Si7 071579-69-6 38 3 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 37 4 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 35 Abundance Scan 6169 (39.326 min): 11380.D (-6156) (-) m/z 73.05 100.00% 73 147 221

5000 281 355 MWMARMA WW 429 193 39.00 39.20 39.40 39.60

m/z-> 0- 0 4950 100 150 200 1 1 i i

250 .1 ।' । i । ' 11 > ■ ■ ■ ।

300 350 400 450 500 ■ ■ । ' ■ 1 1 । 1 1 1 ■ i ' • 550 m/z 147.10 79.15%

Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

73 A A______ IA A 5000 ' ’ 1 1 1 '“T r" 39.00 39.20 39.40 39.60 191 m/Z 221.10 72.40%

JU 117 279 45 ,, 1 249 | 0-1T 1 ''11 1 ' i ' "■ ■ i r 1 1 1 i 1 1 m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 Abundance #26784: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73 ■ 1 i 1 1 ■ 1 i 39.00 39.20 39.40 39.60 5000 m/Z 281.00 36.65% 147 43 221 281 327 415 519 561 1 1 Ti/z-> 0- 0 50 ■ ■ i ■ ■ ■■ ■ 1 i ■ ■ 100 150 200 250 300 350 400 450 500 550 Wmlpy Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 39.00 39.20 39.40 39.60 147 m/z 207.00 35.13%

5000 uwWpAAw"wwoospuk 221 45 193 0- 13. 1L | r r 104 I ' ' 1. m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 39.00 39.20 39.40 39.60 1

11380.D 050102.M Mon May 20 15:46:53 2002 Page 16

NYC-WTC_000025125

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NYC-WTC_000025125Source: NYC Law Department, mirrored locally

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