So let’s say it’s 1947, you’re the War Assets Administration, and you’ve got 30,000 pounds of spare metallic sodium from WWII on your hands. It’s too dangerous to transport — anyone who has taken high school Chemistry knows what happens if this stuff gets wet — so no commercial railway or trucking company will agree to transport it. So you decide to toss it into the fish-free, frozen-over Lake Lenore and film the results. “A once-lethal war chemical becomes a peacetime pyrotechnic display!” Indeed.
The first drum holds 3,500 pounds of sodium. Boom!