it was a few days ago and was found to be long- dropped mustard gas canisters from the war

[link to www.ajc.com]
Crews begin cleaning mustard gas-tainted clam boat

Crews have begun decontaminating a clam boat that pulled up eight munitions shells containing mustard gas.

A decontamination tent is seen at the superfund site in New Bedford, Mass on Monday, June 7, 2010. A fishing boat dredging for clams off New York's Long Island pulled up 10 canisters, including one that broke open and released an unidentified chemical that caused two crew members to blister and struggle to breathe, the U.S. Coast Guard said Monday. The ESS Pursuit took the sickened crew members back to its New Bedford port, where emergency medical workers rushed the hospital. (AP Photo/Standard Times, Mike Valeri)
More Nation & World stories »

Coast Guard Chief Petty Officer Jeff Hall says officials are hoping the New Jersey-based vessel, the ESS Pursuit, will be free to leave by Thursday. He said cleanup crews are relying heavily on elbow grease and bleach, which dilutes the mustard gas.

80% rule applies. more at link