S-34 Symposium on Food Safety and Reliability in Japan S34-1 The probulem of food safety in Japan for the gyoza dumpling contaminated with organophosphorus pesticides S34-2 Imported food poisonings with toxic chemicals –From  toxicologist’s viewpoint S34-3 Ensuring the safety of imported foods in the Quarantine station. ∼mainly on inspection∼ S34-4 The Activities of Consumers Co-operative Union to assure food safety S34-5 Enhancement Food Safety and Riliability