Pizza Pallor

The Lake County toxic gas cloud is leaking out from Wheeling:

Officials identified the material as anhydrous ammonia, used for the refrigeration of processed food. Fire officials said crews mitigated the leak and then remained on location to ventilate the 500,000-square-foot factory, which makes and freezes pizzas. No firefighters were injured.
Seventy employees evacuated, three hospitalized after ammonia leak at Wheeling pizza factory

One observer who was at the scene said: "It looked like a mushroom cloud to me."

Note to Ops: It's all in the delivery.