NOSB Review Documents
- June 2014 Petition (pdf) requesting addition to §205.601 for use as a plant or soil amendment
- April 2015 NOSB Subcommittee Proposal (pdf)
- April 2015 NOSB Recommendation (pdf) (flue gas desulfurization (FGD) gypsum)
Rulemaking
- Not recommended for rulemaking by NOSB