Chlorine Materials

NOSB Review Documents

• 1995 NOSB review for addition to §205.603 for use as a sanitizer and disinfectant (calcium hypochlorite, chlorine dioxide, sodium hypochlorite)
• November 1995 NOSB Recommendation (pdf) (page 23) (calcium hypochlorite, chlorine dioxide, sodium hypochlorite)
• 2006 Technical Report (pdf)
• April 2012 Petition (pdf) requesting addition to §205.611 for use as a disinfectant (aquaculture)
• October 2013 NOSB Subcommittee Proposal (pdf) (aquaculture)
• October 2013 NOSB Recommendation: none, meeting canceled (aquaculture)
• May 2014 NOSB Subcommittee Proposal (pdf) (aquaculture)
• April 2015 NOSB Subcommittee Discussion Document (pdf) (aquaculture)
• April 2015 NOSB Recommendation: none, on hold (aquaculture)
• May 2015 Petition (pdf) requesting addition to §205.603 for use as a sanitizer and disinfectant (hypochlorous acid)
• April 2016 NOSB Subcommittee Proposal (pdf) (page 29-34) (hypochlorous acid)
• April 2016 NOSB Recommendation (pdf) (hypochlorous acid)
• July 2016 Petition (pdf) requesting addition to §205.603 for use as a topical livestock treatment (hypochlorous acid)
• 2017 Limited Scope Technical Report (pdf)
• November 2017 NOSB Subcommittee Proposal (pdf) (hypochlorous acid)
• November 2017 NOSB Recommendation (pdf) (hypochlorous acid)

Rulemaking

• Added to the National List, §205.603(a), effective April 21, 2001 (65 FR 80548, 66 FR 15619) (calcium hypochlorite, chlorine dioxide, sodium hypochlorite)
• Not recommended for rulemaking by NOSB (aquaculture)
• Added to the National List, §205.603(a), effective January 28, 2019 (83 FR 66559) (hypochlorous acid)
• Not recommended for rulemaking by NOSB (hypochlorous acid for use as a topical livestock treatment)