GCMS analysis results for sample AE12473, June 2002

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Data File : C:\MSDCHEM\1\DATA\052802\12473.D Vial: 11 Acq On : 28 May 2002 10:26 pm Operator: McLean Sample : 5/24 ad 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 4 1,3-Butadiyne, 1,4-difluoro- Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.92 2.10 ug/L 1290460 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,3-Butadiyne, 1,4-difluoro- 86 C4F2 064788-23-4 4 2 3-Pentanone 86 C5H10O 000096-22-03 3 Phosphonic difluoride 86 F2HOP 014939-34-/ 2 4 Imidazol, 4-fluoro- 86 C3H3FN2 030086-17/0 2 Abundance Scan 142 (3.914 min): 12473.D (-141) (-) m/z 86.00 1 00.00% 85

5000 35 41 58 50

H 44 83 3.60 3.80 4.00 4.20 Of ■ ‘ i ■ • “ i • ■ ■ ■ i'' •11 ■ ■ *PmmPT ■11 “ " i'1 m/z 35.10 35.28% nz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34645:1,3-Butadiyne, 1,4-difluoro- 85

5000 ■ ■ ■ i ■ ■ ■ ■ i ■ ‘ ■ I 1 1 1 1 I 1 1 ' 1 I 3.60 3.80 4.00 4.20 ^m/z^^^ 31 55 1 36 43 67 01 TIMIITWIT mz-> 20 25 30 35 40 45 50 55 60 "857’’75’80’’s5 90 95 Abundance #108085:3-Pentanone 29 57 T T ‘ 3.60 3.80 4.00 4.20 50001 m/z 58.0.0 25.42%

miz-> Of ""88 20 26 1 ,32 36 39 42 45 5053., ,6063 67 71 7679 — 25 11' “ I “ ‘ 11' H11' ■'' I' ■' ‘ 11 I—uma—B—pur 30 35 40 45 50 55 60 65 70 »i • ■ ■ ■ i ■ ‘ 75 80 86 ■ l 85 " i ■ ■ “ i ■ ■ 90 95 "M Abundance #34889: Phosphonic difluoride 1 1 ■ i ■ ■ ■ • i ■ ■ ■ ■ i ■ ‘ ■ ■ i ■ ■ • i 86 3.60 3.80 4.00 4.20 m/z 50.10 18.56% 5000

47 66 69 AMMWund 31 50 0 "। । ।1 ■1 ■ " ।111111 -■i■■ ■■i•“■i i1 ■ H i " “ i " •' i “ " i “ ■ ■ । • ■ 1 ■ । ‘ ।1 ■ • ■ । ■ ■ ■ ■ । n/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

12473.D 052202.M Thu May 30 10:42:23 2002 Page 6

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