Kabushiki Kaisha Kankyō Sōgō Tekunosu
Heisei 20-nendo gyorui dokusei shiken chōsa (kaiiki gyorui) gyōmu hōkokusho- Heisei 20-nendo gyorui dokusei shiken chōsa (tansuiiki gyorui (medaka), shoki seikatsu dankai dokusei shiken, 2) gyōmu hōkokusho
- Heisei 20-nendo gyorui dokusei shiken chōsa (tansuiiki gyorui (nijimasu), kyūsei dokusei shiken) gyōmu hōkokusho