What is the fine-grained topic of the following text: JNFL filed requests in January 2014 for safety reviews of the reprocessing plant, the J-MOX fuel fabrication plant (annual capacity of 140 tonnes), a uranium enrichment plant (1,050 SWU/yr capacity), and for a waste storage facility – all at Rokkasho. Only return the topic.
JNFL's safety review requests for nuclear facilities at Rokkasho.