Dump as disposal
In 1970, as a professor of oceanography at Florida State University, I received a grant from the U.S. Navy to photograph the liberty ship that was dumped off New Jersey with nerve gas caskets and cylinders at the deep water Sump Site 9. With a team of Ph.D. students and experts from Naval Research Laboratory in Arlington, Va., we successfully took a photo-mosaic of the sunken ship. We verified that there were no leaks of nerve gas. This study is now declassified and hence I am writing.
So I suppose that the best way to get rid of the nerve gas caskets from Syria is to dump them rather than give them to Russia or the U.N.
Robert Y. George
Professor of Marine Biology (retired), UNC Wilmington