April 2026
I13 Red List
CLARIFICATIONS
- LBC Watch List and Red List Update Process
- Renamed this section “LBC CASRN Guide and Update Process”
- Updated cadence of updates, role of each list, and implications for project teams and Declare labels.
EXCEPTIONS
- Specific Exceptions by Chemical Class
- Monomeric, Polymeric, and Organophosphate Halogenated Flame Retardants (HFRs)
- Added RL-025a Flame Retardants Required for Code in Mass Timber Wood Adhesives.
- Monomeric, Polymeric, and Organophosphate Halogenated Flame Retardants (HFRs)



