I am an historian of workers' compensation. Your story on Oregon's Sen. Smith really caught my attention. That number of amputations for a frozen food factory is what you might expect if we were back in 1910. Really. Leather drive belts for the equipment etc. It is really extraordinary.
Sincerely,
Robert Asher
Professor of History Emeritus
University of Connecticut
It's not just that his employees are regularly amputated. Food expert Jill Richardson at La Vida Locavore filled in some details about what it means for Smith to irrigate his crops with partially treated sewage, ie toxic chemicals mixed with 'poop and pee'.
The idea of composting human waste and spreading it on farm fields is an ancient one. The Chinese did it rather famously. Instead of treating poop as a burdensome, toxic waste product, it was valued fertilizer. Composting, by the way, kills off any harmful bacteria. If this stuff was composted properly, there wouldn't be E. coli floating around in it.
But the nightsoil the Chinese used didn't have heavy metals like lead and cadmium in it. Because we mix all waste from all sources together, ours does. What happens to human waste now is that they do what they can to clean it up and whatever's left, well... there's no real good solution. It's toxic, and no one [in their right mind] wants it.