NOSB Review Documents
- April 2015 Petition (pdf) requesting addition to §205.601 for use as a plant or soil amendment
- October 2015 Addendum #1 (pdf)
- 2016 Technical Report (pdf)
- April 2016 NOSB Subcommittee Proposal (pdf)
- April 2016 NOSB Recommendation (pdf)
Rulemaking
- Added to the National List, §205.601(j), effective January 28, 2019 (83 FR 66559)