Thousands of banana pickers in Costa Rica have filed a lawsuit in Los Angeles against two chemical companies [Dow Chemical, Shell Chemical] and three major U.S. fresh produce companies [Chiquita, Dole, Del Monte] claiming that exposure to a toxic pesticide caused a range of reproductive disorders...A spokesman for...Chiquita said the company had "just become aware of this and has not had time to review the complaint." Dow spokesman Adam Muellerweiss said the company was aware of the lawsuit but could not comment. Muellerweiss said Dow had stopped selling Fumazone after it was banned by the U.S. Environmental Protection Agency. A Dole spokeswoman said the company had not seen the lawsuit and had no comment. Representatives for Shell and Del Monte were not available for comment.