From the FDA:
It’s made in Pakistan.
Toxic waste, indeed.
Oh boy. Can you imagine the discussions? “Well, it says right on the package - “Nuclear Sludge.” What did you think you were getting?”
Toxic Waste brand - taking Plausible Deniability to breathtaking new heights!
I’d be expecting something radioactive, preferably with significant amounts of uranium or plutonium. I can’t use lead to fuel my nuclear reactor!
Monty Python already covered this.