[USCC] Compost made with biosolids vs biosolids

[William (Bill) Carter]

Unless the rules have changed recently: if your composting process meets the criteria under the Processes to Further Reduce Pathogens, as part of the rules for Class A biosolids, then the compost qualifies as Class A biosolids without restrictions on distribution and use, and are thus no longer subject to the land application guidelines for Class B biosolids.
 


Bill Carter
Water Quality Monitoring & Assessment    MC 165
Texas Commission on Environmental Quality
P.O. Box 13087
Austin, TX  78711-3087
Phone:  512-239-6771
Fax:  512-239-4410
wcarter at tceq.state.tx.us 

>>> Bob Engel <rrengel at yahoo.com> 5/15/2008 11:28 AM >>>
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    


      
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