Killer SmogA deadly story set in a small

Pennsylvania town.

Donora…

…is a mill town on the Monongahela

River

Location of theDonora Zinc Works

and the American Steel & Wire Plant

Smoke was released into the air every day from the zinc smelter process.

October 26th, 1948One of the worst air

pollution disasters in the nation’s history happened

here…

Smog was so thick that you could hardly see…

12 NOON

7000 residents (1/2 of the town’s population) had respiratory symptoms…

Some had nausea and vomiting, headaches and abdominal

cramps as well.

After 5 days, rain began to fall and wash the pollutants

from the sky.

In a 12-hour period, 18 people died.

Within a month, the number was up to 70.

How did this happen?

BREAK-OUT RESEARCH:1. TEMPERATURE INVERSIONS2. ZINC SMELTING PROCESS