Toxic nap mats draw suit in Oakland Toxic nap mats draw suit in Oakland An Oakland watchdog group said Tuesday it is suing major manufacturers and retailers, including Target and Amazon.com, for selling nap mats made with a toxic flame retardant that is also a known carcinogen. The lawsuit is the latest legal move for the group, which last year put the companies on notice for selling or making similarly contaminated changing pads ... [News Source]