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The studies of terrestrial ecotoxicity were waived based on the fact that:

(i) in its current applications, reaction mass of lanthanum phosphate and cerium phosphate and terbium phosphate is not intended to reach the soils.

(ii) the sludges from the physico-chemical wastewater treatment unit at the exit of the industrial workshops were not spread on soils, but recycled to recover the rare earths.

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