Report No. 12 of Yokohama City Pollution Research Institute

〇 Report

• Acid precipitation in Yokohama
• Effects of non-equal speed suction in dust measurement (II) - when tark particles and suction flow velocity are constant -
• Multi-component elements in soot and dust emitted from fixed sources
• Intake mechanism and oxidation reaction by cloud particles and rain droplets of air pollutants (first report)
• Study of sound reduction effect of tree-planting zone (3rd report) - Physical effect as insertion loss II-
• Transition of contamination at Yokohama Port as seen from bottom column samples
• Subcontamination at Yokohama Port (No. 1)
• Investigation of Fish Death Accidents-Kashio River
• Monitoring of river water quality using breeding carp as an index
• Basic Survey on Recycling of Wastewater Treatment Sludge (No. 3) - Manufacturing of fluid media and wastewater treatment experiments using external circulating three-phase fluid beds
• Study on the subsidence of soft ground (3rd report) - Soft ground structure and land subsidence characteristics of Katabira River Lowlands -
• High-grade fatty acid concentration in the waters of Yokohama Port
• Simple breathing measurement method of fish
• Effects of residual chlorine on carp’s gill breathing