Abstract
The authors have investigated the cause of outbreak of organic mercury poisoning in districts along the Agano River. This research finding concerning detection of methyl mercury compound in the moss from drainage of acetaldehyde synthetic industry is presented and discussed in this paper. Their chemical identity has been established in this by the gaschromatographic procedures.
The result of the investigation appears to be one of the most promising leads yet traced to the origin of the causative agent, which has issues and been contaminated from the Showadenko Kanose (acetaldehyde) industry.