"Dave Bugg" > wrote in message
...
> AllEmailDeletedImmediately wrote:
>
>> but what if it didn't quite process enough? could lead to the e coli
>> thing.
>
> Any evidence to support that "what if"? Biosolid processing is similar to
> any other composting; raising the temp of the biosolids to a level that
> kills pathogens.

well perhaps the thermostat was wrong for one batch? who'd know?