Shizuoka gov. urges revision to radiation limit for tea leaves+ Jun 23 08:33 AM US/Eastern TOKYO, June 23 (AP) - (Kyodo)—The governor of Shizuoka Prefecture, a major tea leaf production region in Japan, urged the health minister Thursday to revise the provisional limit of radioactive substances in the product. Shizuoka Gov. Heita Kawakatsu said the maximum level was unreasonable and a recent test showed tea leaves and processed tea in the area as being safe during a meeting with health minister Ritsuo Hosokawa, who promised to make public the results and check the limit's validity. The survey was conducted under...