GCMS analysis results for sample AE11928, June 2002

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Data File : C:\MSDCHEM\l\DATA\052302\11928.D Vial: 8 Acq On : 23 May 2002 3:40 pm Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 8 Tetraborane(10) Concentration Rank 7

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

4.54 1.00 ug/L 730349 1,4-Diehlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qua 1 Te t raborane(10) 54 B4H10 018283-93-7 10 2 Propiolonitrile 51 C3HN 001070-71-9/4 3 Methylene Chloride 84 CH2C12 000075-09-2 2 4 Methylene Chloride 84 CH2C12 000075-09/2 2

"Mo Abundance Scan 248 (4.536 min): 11928.D (-246) (-) m/z 47.10 100.00% 47 51 88 57 39 44 5000 36 83 ' ■ ■ i ■ ■ • ' i ■ • ■ ■ i ■ ' ■ ■ i ■ ■ ■ ■ i 1 4.20 4.40 4.60 4.80 M Bnt— "MyAwwop. Oh 1’011—0011—0222210113131200111088 4 Th- TTTT’[’3 m/z 87.95 92.77% m/z-> 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12315: Tetraborane(10) 48

5000 ' ‘ I ' ‘ ‘ ' I ‘ ' I ■ ' ' ' I ‘ ‘ I 1 35 45 4.20 4.40 4.60 4.80 38 m/z 51.10 88.86% 11 151 >*.

niz-> Of o 442123,,3 +4 Ip 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ,j....I.......

Abundance #12371: Propiolonitrile 51 ■ ■ । ■ ■ • ■ । ‘ ‘ ‘ । ‘ ■ i ■ ■ ■ ■ । • 4.20 4.40 4.60 4.80 5000 m/z 49.10 72.29%

■ ............. Oh ■ ‘' i11 *mmpapWm2p—9*BBBRRgT niz-> 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride • 1 l i ‘ ■ I ‘ • l ■ ■ < • l • ■ • ■ l i 49 4.20 4.40 4.60 4.80 84 m/z 48.05 70.78% 5000

88 14 18 24 2831 353841 || ,52 70 - OhTTTTp^TTTTrHTrrrrp-rr^^ .j.II ‘ ‘ I ‘ ‘ ‘ ' I ‘ ‘ ‘ I ‘ 1 ' ‘ I ■ ‘ ' l ' n/z—> o 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.20 4.40 4.60 4.80

11928.D 052202.M Wed May 29 09:48:48 2002 Page 11

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