"The specific object of the property observed. Examples are: biological agents, chemical substances, and radioactivity objects"@en . . "Water Observable Property Object"@en . _:B3c88b7b8f01e2a8aeb7be99aa4573d71 . . . . _:B3c88b7b8f01e2a8aeb7be99aa4573d71 . _:B3c88b7b8f01e2a8aeb7be99aa4573d71 . _:B3c88b7b8f01e2a8aeb7be99aa4573d71 .