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RUN SUMMARY - Model 21
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Run Description:
c  FUV/EUV/SXR backgounds - no cloud boundary radiation                 
c  assumed HI column density =  9.00000e+17                             
c  T(hot gas) = 10^6 K                                                  
c  cosmic abundances assumed in hot gas                                 
c  Mathis, Metzger & Panagia FUV spectrum                               
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Element  Abundance                  Ion Density
          (ppm)         I         II         III        IV
------------------------------------------------------------------------
    H    1.00E+06      0.233     0.0532       0.00       0.00
    He   1.00E+05     0.0193    0.00912   0.000234       0.00
    C        219.   1.87E-08   6.17E-05   9.73E-07       0.00
    N        30.9   6.58E-06   2.26E-06   3.78E-10       0.00
    O        282.   6.68E-05   1.39E-05   2.03E-09       0.00
    Ne       123.   6.88E-06   2.22E-05   6.09E-06   1.46E-10
    Na       2.04   6.81E-10   5.07E-07   7.62E-08   2.53E-12
    Mg       3.55   1.32E-09   7.97E-07   2.17E-07       0.00
    Al     0.0794   1.09E-12   2.20E-08   3.92E-10   2.80E-10
    Si       4.57   4.03E-11   1.31E-06   2.25E-09   3.61E-11
    P       0.219   7.19E-12   6.17E-08   8.97E-10   5.29E-12
    S        10.0   1.62E-10   2.78E-06   8.05E-08   6.40E-12
    Ar       2.82   2.82E-07   3.84E-07   1.40E-07   1.32E-12
    Ca   0.000407   1.41E-15   1.39E-12   1.15E-10   1.51E-14
    Fe       1.41   4.93E-11   3.96E-07   7.69E-09   1.40E-12