. _:b670483750 . _:b670466462 . _:b670466462 . _:b670466462 . _:b670466462 . "A portion of ethanol enriched soil is a portion of soil with elevated levels of ethanol." . . . _:b670483750 . _:b670483750 . _:b670466462 . "ethanol enriched soil" . _:b670483750 . _:b670483750 .