[USCC] Compost made with biosolids vs biosolids

[Bob Engel]

I have a question that I have not been able to find in the EPA 503  regulations.
At least not stated real clearly!
Once biosolids are composted at a approved facility and have undergone treatment are the land application guidlines for biosolids still applied?
It is my feeling that once composted they are not biosolids anymore but a complete new product bearing no resemblance to the feedstock used to make the compost.
Look forward to any answer and if you can refer to the regulation it would be great.
Bob Engel
Bob at gotcompost.com