THE SITE INCLUDES AREA WHICH CONTAINED ELEVATED LEVELS OF LEAD AND ARSENIC. THE TOWN OF LARK IS NO LONGER INHABITED AND MOST OF THE STRUCTURES HAVE BEEN REMOVED. THE ACTUAL OR THREATENED RELEASE OF HAZARDOUS SUBSTANCES FROM THE SITE PRESENTED AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO PUBLIC HEALTH, WELFARE AND THE ENVIRONMENT. THE REMOVAL ACTIONS REQUIRED BY THIS ORDER ARE NECESSARY TO PROTECT THE PUBLIC HEALTH, WELFARE AND THE ENVIRONMENT.