Japan. Kankyōsho. Sōgō Kankyō Seisakukyoku. Kankyō Hokenbu. Kankyō Anzenka

• Heisei 20-nendo PRTR denshiban haishutsuryō tō sanshutsu manyuaru tō no shisutemu kairyō gyōmu
• Heisei 20-nendo PRTR denshiban haishutsuryō tō sanshutsu manyuaru tō no shisutemu kairyō gyōmu