WASTE ROCK MIXING.

SEC. 109. WASTE ROCK MIXING. After completion of the conveyance, the State shall obtain the approval of the Administrator before disposing of any material quantity of laboratory waste rock if— (1) the disposal site is on land not conveyed under this title; and (2) the State determines that the disposal could result in commingling of laboratory waste rock with waste rock disposed of by Homestake before the date of conveyance.115 STAT. 2353