Visible crew/equipment: As Jonathan is being attacked by Hercules you can see that Jonathan, or his stunt double, has on a arm cuff that is used for protection of attack dogs.
Visible crew/equipment: Just after Becker starts to chase Lucy there is a shot looking up the hill towards the lodge where she started skiing from. To Lucy's left you can see a fresh pair of ski tracks being made by whatever the camera is on. You can tell these are fresh tracks because there is fresh snow being kicked in the air because of them.
Answer: The kryptonite only creates mutations when it reacts with the environment and an individual. Remember, the FDA and several environmental groups did check out Smallville after the meteor shower, but found no danger in the rocks. Obviously they're not always emitting mutating rays, or all the flora and fauna of the surrounding area would be horribly mutated.
Phoenix