You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?

Correct Answer: Option C — Diisopropylamine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.)

Chemical compatibility charts in 46 CFR Part 153 dictate that certain reactive hazard groups, such as amines and carbon disulfide, require ultimate physical separation by at least two independent barriers like cofferdams or void spaces to prevent catastrophic reactions.