Fig. 2. Cesium-137 concentrations in the upper 50 mm of soil (before and after wildfire), unburned litter, and post-fire ash. Data modes are shown within the 25th to 75th percentile boxes. Whisker bars show standard deviation and outlier data are shown as points where present [ash data is from New Mexico Environment Department; pre-fire soils data from Los Alamos National Laboratory (2001)].