21.   Some of wood from the Milams home which contain high levels of arsenic -- evident by the light green powder on the wood.

22.   That water obviously contains high levels of arsenic.

23.   The air was found to contain levels of perchloroethylene, a suspected carcinogen, that exceeded state guidelines, in some rooms by a factor of five.

24.   The leaves contain poisonous levels of oxalic acid.

25.   The new species of coca, the raw material for cocaine, contains higher levels of cocaine alkaloid than the coca traditionally cultivated in Colombia.

26.   The record does not contain the level of proof necessary to convict and remove the President.

27.   The researchers found that coral skeletons and clam shells did not even contain elevated levels of arsenic.

28.   The wild fruit eaten by primates contained higher levels of calcium, potassium and iron than levels found in cultivated varieties.

29.   These fish contain elevated levels of mercury, a poison that attacks the central nervous system.

30.   Therefore, wines contain different levels too.