(iv) The costs of measures of reinstatement of impaired environment, unless such impairment is insignificant, if such measures are actually taken or to be taken, and insofar as not included in subparagraph (ii);
(四) 受损坏环境的恢复措施费，条件是实际采取或将要采取此类措施并且该损坏未被第(二)分款所包括，但损害轻微者除外；