What is a sabotage/contamination chemical of interest (COI) for purposes of CFATS?
For the purposes of CFATS, DHS defines sabotage/contamination COI as those chemicals that are capable of releasing a poisonous gas when exposed to water. Referenced Text: Additional information on the treatment of sabotage/contamination COI under CFATS can be found in the preamble to Appendix A to CFATS at 72 FR 5406.