Table 6. Soil samples collected at Toftavatn in the Faroe Islands 6 September 1999 ¹³⁷Cs ²²⁶Ra ²³²Th ^239,240Pu ²³⁸Pu Depth in cm Bq kg^-1 dry Bq m^-2 StD % Bq kg^-1 dry Bq m^-2 StD % Bq kg^-1 dry Bq m^-2 StD % Bq kg^-1 dry Bq m^-2   StD % Bq kg^-1 dry Bq m^-2  StD % 0-10 78.44 917 8 0.8 2.56 300 22. 3 5.47 640 19.1 1.770 207.1 5.9 0.0567 6.63 14.9 10-20 12.71 178 0 2.0 3.37 471 7.7 3.90 547 13.1    20-30 2.39 305 6.9 3.39 433 6.9 3.78 482 12.4    30-40 1.20 166 15.5 3.11 430 8.5 3.93 543 15.1