| BARIUM (elemental) | Vane & rachis: see citation Table 6 | Feather concentration (flight, tail) | NR | Adult | 1 | Frontenac, Eastern Ontario | Toxicity Factor Datasets | CANADA | 
          
                                                                                      | BARIUM (elemental) | San Pedro: 0.4, Roosevelt: <0.5, Alamo: 0.24 µg/g dw | Egg concentration |  |  | San Pedro: 5, Roosevelt: 2, Alamo: 1 |  | Toxicity Factor Datasets |  | 
          
                                                                                      | BARIUM (elemental) | San Pedro: 4.3, Roosevelt: 2.9, Alamo: 3.4 µg/g dw | Eggshell concentration |  |  | San Pedro: 2, Roosevelt: 2, Alamo: 1 |  | Toxicity Factor Datasets |  | 
          
                                                                                      | BARIUM (elemental) |  | Reference intervals for blood concentration | B | Both Adults and Juveniles | 49 | Howick Group of Islands | Toxicity Factor Datasets | AUSTRALIA | 
          
                                                                                      | BARIUM (elemental) | BI-89: 0.259, WM-89: 0.351, SW-91: 0.823 µg/g ww | Egg concentration | NR | Embryo | 5 | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | Toxicity Factor Datasets | USA |