About TOJO TOSHIKI
About 大阪市環境科研
About SAKIYAMA TAKANORI
About 大阪市環境科研
About 環境化学討論会要旨集(CD-ROM)
About Osaka prefecture
About atmosphere(location)
About dioxins
About annual variation
About environmental monitoring
About equivalent
About concentration(ratio)
About polychlorinated biphenyl
About seasonal variation
About TEQ
About Co-PCB
About seasonal variation
About Examination and measurement of air quality
About Other pollutants
About 大阪
About 大気中
About ダイオキシン類濃度
About 推移