Table 1
Elemental Abundance Ratios Measured with the
High Energy Cosmic Ray Experiment on ISEE-3

Ratio  Value    Uncertainty         Ref.

 B/C   0.261    (+0.009,-0.009)      a

 C/O   0.976    (+0.034,-0.034)      a
 N/O   0.251    (+0.006,-0.006)      a

 F/Si  0.118    (+0.010,-0.010)      b
Ne/Si  0.982    (+0.051,-0.051)      b
Na/Si  0.189    (+0.011,-0.011)      b
Mg/Si  1.330    (+0.040,-0.040)      b
Al/Si  0.211    (+0.009,-0.009)      b
 P/Si  0.037    (+0.003,-0.003)      b
 S/Si  0.176    (+0.008,-0.008)      b
Cl/Si  0.036    (+0.003,-0.003)      b
Ar/Si  0.073    (+0.005,-0.005)      b
 K/Si  0.064    (+0.005,-0.005)      b
Ca/Si  0.154    (+0.009,-0.009)      b
Fe/Si  0.719    (+0.054,-0.054)      b
Sc/Fe  0.0487   (+0.0044,-0.0037)    c
Ti/Fe  0.1630   (+0.0084,-0.0077)    c

 V/Fe  0.0787   (+0.0053,-0.0047)    c
Cr/Fe  0.1527   (+0.0074,-0.0067)    c
Mn/Fe  0.0938   (+0.0056,-0.0050)    c
Co/Fe  0.0085   (+0.0018,-0.0013)    c
Co/Fe  0.0085   (+0.0018,-0.0013)    c
Ni/Fe  0.0482   (+0.0039,-0.0033)    c
Cu/Fe <0.00083                       c
Zn/Fe  0.00074  (+0.00072,-0.00022)  c

References
 a "The Isotopic Composition of Cosmic Ray Boron and Nitrogen",
   K. E.  Krombel and M. E. Wiedenbeck, Ap. J., 328, 940 (1988).
 b "Composition Measurements from ISEE-3: Fluorine through Calcium",
   R. A. Leske and M. E. Wiedenbeck, 23rd Internat. Cosmic Ray Conf.
   (Calgary), submitted 1993.
 c "The Elemental and Isotopic Composition of Galactic Cosmic-Ray
   Nuclei from Scandium through Nickel", R. A. Leske, Ap. J., 405,
   567 (1993).