NOSB Review Documents
- February 2013 Petition (pdf) requesting addition to §205.601 as a plant or soil amendment
- October 2013 NOSB Subcommittee Proposal (pdf)
- October 2013 NOSB Recommendation: none, meeting canceled
- May 2014 NOSB Subcommittee Proposal (pdf)
- May 2014 NOSB Recommendation (pdf)
- 2021 Technical Report (pdf)
Rulemaking
- Added to the National List, §205.601(j), effective January 28, 2019 (83 FR 66559)