Translate the following English sentence to French:
"If there are any reasons at all for concern, alternatives to depleted uranium must be invested in and, until certainty has been arrived at, its use may have to be suspended."
Au moindre doute, il faudra trouver des solutions alternatives à l'uranium appauvri et son usage devra éventuellement être suspendu tant que nous n'aurons pas la garantie de son innocuité.