NOSB Review Documents
- September 2016 Petition (pdf) requesting classification as a nonsynthetic
- 2017 Technical Report (pdf)
- October 2018 NOSB Subcommittee Proposal (pdf)
- October 2018 NOSB Recommendation (pdf)
Rulemaking
- Proposed for addition to the National List, §205.602, published October 18, 2019 (84 FR 55866)
- Not included in Final Rule, published November 05, 2020 (85 FR 70431)