NOSB Review Documents
- August 2008 Petition (pdf) requesting addition to §205.601 for use as a plant or soil amendment
- May 2009 NOSB Subcommittee Proposal and NOSB Recommendation (pdf)
- 2010 Technical Report (pdf)
- 2014 Technical Report (pdf)
- 2023 Limited Scope Technical Report (pdf)
Rulemaking
- Added to the National List, §205.601(j), effective July 07, 2010 (75 FR 38693)