"Farooq W"

|
| My fault... Its ppm for entries below SO3. More surprising the uptake
| of heavy metals especially Th and U by the plants...Barium is
| abnormally high or the soil on which that tree grew was rich in barium
| ores!
|

-------------
The up take of uranium by plants is well know. See for example :-

Botanical Prospecting for Uranium on La Ventana Mesa, Sandoval County
New Mexico. US Geological Survey Bulletin 1009-M. 1956.

Some plants uptake serious amounts of selenium.

Description of Indicator Plants and Methods of Botanical Prospecting for
Uranium Deposits on the Colorado Plateau. US Geological Survey Bulletin
1030-M. 1957.



--
donald j haarmann
-----------------------
Science is a collection
of successful recipes.
Paul Valéry
French poet-essayist
(1871-1945)