| liquid mercury | 0.66 | Johnson has shot out of the box like liquid mercury. | ||
| metallic mercury | 0.46 | Part of the problem, he said, is that people do not understand how dangerous metallic mercury can be. | ||
| dental mercury | 0.39 | Last fall, a California congresswoman announced a bill to ban dental mercury nationwide. | ||
| elevated mercury | 0.39 | Tests in most states have found fish with elevated mercury levels. | ||
| poisonous mercury | 0.39 | Preliminary tests have shown that it contains unsafe levels of the poisonous metal mercury. | ||
| elemental mercury | 0.33 | Eliminating the pure elemental mercury was easy. | ||
| metal mercury | 0.33 | Preliminary tests have shown that it contains unsafe levels of the poisonous metal mercury. | ||
| rising mercury | 0.33 | Hideo Nomo-Mania in the land of the rising mercury. | ||
| toxic mercury | 0.26 | Fish in most of the Everglades became off-limits to eating because of toxic mercury contamination. |