commiss decis decemb approv treatment inhibit develop pathogen micro organ bivalv mollusc marin gastropod eec commiss european commun regard treati establish european econom commun regard council direct eec juli lai health condit product place market fisheri product chapter iv iv annex thereto bivalv mollusc marin gastropod harvest area refer chapter annex council direct eec juli lai health condit product place market live bivalv mollusc constitut potenti threat consum subject treatment spain unit kingdom put forward treatment inhibit develop pathogen bivalv mollusc marin gastropod process adequ ensur health product subject advanc purif relai measur provid decis accord opinion stand veterinari committe adopt decis articl treatment set annex decis inhibit develop pathogen micro organ bivalv mollusc marin gastropod harvest area refer chapter annex direct eec subject relai purif market approv articl decis address member state brussel decemb commiss rai mac sharri member commiss oj oj annex steril bivalv mollusc marin gastropod subject steril hermet seal contain compli requir chapter iv iv annex direct eec heat treatment bivalv mollusc marin gastropod shell frozen undergo process immers boil water period requir rais intern temperatur mollusc flesh mainten minimum temperatur period second cook minut enclos space temperatur pressur kg cm shell freez flesh core temperatur