A study by Japanese scientists found high levels of bisphenol A in 200 test sites along the shorelines of 20 countries in North America and Southeast Asia. Steve Hentges, a spokesman for the American Chemistry Council, voiced skepticism of the study findings, which was not published in a peer-reviewed journal. "Quite a few studies from other researchers have been published with data on BPA in seawater, freshwater and sediment. None of these researchers have reported BPA at levels even remotely close to what is claimed by the Japanese researchers. The extensive data on BPA that has been published indicates that BPA, if found at all, is present in the environment only at very low trace levels," Hentges said.