Nitrogen used to reduce the power load onto the divertor in tokamak fusion devices (JET. AUG) has the drawback of ammonia formation. Non-negligible quantity of tritiated ammonia could be a serious concern for ITER. since it cannot be reduced through the presently designed fuel cycle loop. https://www.roneverhart.com/Woodford-Reserve-Master-s-Collection-Five-Malt-Stouted-Mash-Whiskey/