If you clear folks to return to their homes they'll be passing by that site every days. Yes - most folks probably aren't going to shove their noses in the trai

If you clear folks to return to their homes they'll be passing by that site every days. Yes - most folks probably aren't going to shove their noses in the train wreck but the people with the weakest resistance to poisons (kids) absolutely will be all over the site. If adults are getting significant side effects then children will likely have very severe reactions.