title: Forest fire fallout.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000413:Alaska; D002170:Canada; D004784:Environmental Monitoring; D005390:Fires; D008628:Mercury / Q000032:analysis*; D012987:Soil; D014197:Trees
chemical_list: D000393:Air Pollutants; D012987:Soil; D008628:Mercury