GCMS blank analysis results, sample AE10809, May 2002

NYC 9/11 Public Portal Document

Data File C: \MSDCHEM\1\DATA\051402\0507LB.D Vial: 16 Acq On 15 May 2002 2:34 am Operator: Mclean Sample 5/7 kb 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 20 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 4

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

39.76 2.70 ug/L 1232100 Perylene-dl2 34.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 38 2 3-Isopropoxy-1,1,1,7,7,7 -hexamet.. . 576 C18H5207Si7 071579-69-6 12 3 Benzeneacetic acid, .alpha.,3,4-... 472 C20H4005Si4 037148-65-5 10 4 2,6-Dimethyl-3,4-bis(trimethylsi... 311 C15H29NO2Si2 1000079-52-1 10 Abundance Scan 6243 (39.760 min): 0507LB.D (-6221) (-) m/z 147.05 100.00% 14 7 221

73 355 5000 281 429 1 I [ I I I I I UI I I I I * I I I

44 39.40 39.60 39.80 O+ 1 1 i i ■ 1 I I __ I I I I I I I 1 I I 1 I I l I I I i I I I I 1 I I m/z 221.10 99.64% m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

73 5000 A ... /....\AAA ' ' 1 1 1 1 ‘ I1 1 ‘ 1 1 1 1 11 ) 39.40 39.60 39.80______ 191 m/z 207.00 67.86% 117 279 45 249. | 0U TII L ■I 1 1 — n/z—> 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

39.40 39.60 39.80______ 5000 m/z 73.10 60.05% 147 43 221 281

/z-> 0U X 50 ■

100 । ■ ■ ■ ■

150 t ■ > ■ •

200 I „ l.. .1TT । 4 k I-1 . ■ ■ ■

250 । ■

300 327

350 415 519 561 inni ' । । । । । ।' ।' o । । r । 400 450 500 550 Abundance #128843: Benzeneacetic acid, .alpha.,3,4-tris[(trimethylsi... 73 355 39.40 39.60 39.80 m/z 355.10 52.60%

5000

45 147 OU Un I 117 . . I" 193 237 267 295 .. (r/*.* 325. 384 429 457 AA....... I I I ■ I I I I I I I > I I

m/z-> 50 100 150 200 250 300 350 400 450 500 550 39.40 39.60 39.80

0507LB.D 050102.M Thu May 16 12:36:05 2002 Page 23

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