[USCC] Compost made with biosolids vs biosolids

[Frank Crowley]

I would refer you to 40 CFR 503.10(c)(1) for bulk material, and 40 CFR
503.10(f) for bagged material.  If the material derived from sewage sludge
meets pollutant concentration limits, is Class A for pathogens, and has been
reduced to meet the vector attraction requirements, it drops out of the
regulation. 

Don't you just love reading 503?

Pat Crowley
Crowley Consultants LLC
1935 Lucky Strike Road
Helena, MT 59602
(406) 458-1935 phone and fax
(406) 439-9231 cell
pat at crowleyconsultants.com

-----Original Message-----
From: compost-bounces at mailman.cloudnet.com
[mailto:compost-bounces at mailman.cloudnet.com] On Behalf Of Bob Engel
Sent: Thursday, May 15, 2008 10:29 AM
To: compost at mailman.cloudnet.com
Subject: [USCC] Compost made with biosolids vs biosolids

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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