GULF OF MAINE, ISSUES, Pollution ISSUES: The Silent Killers on the Ocean Floor Around the world thousands of tons of munitions lie rusting on the ocean floor. They consist of both explosives and chemical weapons. As the metal rusts away, the toxic chemicals are exposed causing an environmental wasteland around them. rcinet.ca-The silent killers on the ocean floorDownload Type your email… Subscribe Share this:RedditEmailPrintFacebookLinkedInTwitterTumblrPinterestPocketLike this:Like Loading... Related