Part 1 Chapter 20 "Reactions" part 2 / Chapter 21 "The Leaker"

Following the news that chlorinated chemicals were created in the mixing of chlorine and the potassium cresylate, over a week after the spill, the techs begin to tackle how to patch Car three, which continues to leak deadly chlorine gas.

Pictured: Glen Giles gives her testimony at an evacuee meeting, as Lucinda Hodges looks on.