| 3919 | O,O-dimethyl O-3-methyl-4-(methylthio)phenyl phosphorothioateBaycid, Baypex, Baytex, Entex, Faster, Fenthion, MPP |  | Act on Confirmation, etc. of Release Amounts of Specific Chemical Substances in the Environment and Promotion of Improvements to the Management Thereof | Class I Designated Chemical Substances |  | Submission of a report of the amount of transfer and emission to the environment (if more than 1t per year) | Ministry of Economy, Trade and Industry |  |  | 
| 2503 | O,O-dimethyl O-3-methyl-4-(methylthio)phenyl phosphorothioateBaycid, Baypex, Baytex, Entex, Faster, Fenthion, MPP |  | Agricultural Chemicals Control Act |  |  | Prohibition of manufacture, processing and import without registration | Ministry of Agriculture, Forestry and Fisheries |  | Agricultural Chemicals Control Act | 
| 1644 | O,O-dimethyl O-3-methyl-4-(methylthio)phenyl phosphorothioateBaycid, Baypex, Baytex, Entex, Faster, Fenthion, MPP |  | Poisonous and Deleterious Substances Control Act | Deleterious Substances |  | Management of the storing amount; Locked storage; Showing “Deleterious substance, not for medical use” on containers and storage, restriction of manufacture, import, sale, and handling | Ministry of Health, Labour and Welfare |  | Poisonous and Deleterious Substances Control Act | 
| 1966 | O,O-dimethyl O-3-methyl-4-(methylthio)phenyl phosphorothioateBaycid, Baypex, Baytex, Entex, Faster, Fenthion, MPP |  | Poisonous and Deleterious Substances Control Act | Deleterious Substances |  | Management of the storing amount; Locked storage; Showing “Deleterious substance, not for medical use” on containers and storage, restriction of manufacture, import, sale, and handling | Ministry of Health, Labour and Welfare |  | Poisonous and Deleterious Substances Control Act |