[%] polar    GISS_B    LSCE_B    ULAQ_B     LOA_B   MPI_HAM UIO_CTM_B UIO_GCM_B     UMI_B   average

         SO4     46.29     58.73     46.95     68.30     67.76     57.74     55.41     64.99     58.27
          BC      6.10      4.45      6.52      3.61      3.73      4.62      5.44      4.08      4.82