Cobalt-60 irradiation (C-60) is the traditional means used to irradiate foods. The gamma ray from the cobalt isotope is very penetrating through food packages and product. There is no residual radioactivity.
Crystal Seas Oysters
http://www.crystalseasoysters.com/
• Live, In-Shell
• Irradiated To Eliminate Vibrio To Non-Detectable Levels
• Cold From Reef To Table
• Reef-Fresh Flavor
• Tested To Ensure Quality
Food Technology Service, Inc.
http://www.foodtechservice.com/
502 Prairie Mine Road
Mulberry, Florida 33860
Main Phone: 863-425-0039;
Main Fax: 863-425-5526