Report No. 9 of Yokohama City Pollution Research Institute

Oh Report

• Prototype of chemical-emitting ozonemeter using NO/O3 reaction
• Regarding the impact of high water and dust on the NOx meter for the source
• Seasonal changes and particle size distribution of polycyclic aromatic hydrocarbons (BkF, BaP, BghiP) concentrations in the atmosphere
• Transport and transformation process of photochemical contamination air masses from coastal urban areas to inland areas (I) - Case analysis of summer survey in 1983.
• Survey on Acid Precipitation (First Report) - Current Situation of Acid Precipitation in Yokohama -
• Study on Acid Precipitation (Second Report) - the dynamics of calcium contained in precipitation in urban areas -
• Research on acid precipitation (3rd report) - Analysis of seasonal changes in precipitation components -
• Study of sound reduction effect of tree-planting zone (No. 1) - Physical effect as insertion loss -
• Effects of sodium chloride on the blood properties of carp (No. 2)
• About feeding rate and feed efficiency in carp (2nd report) - Relationship between water temperature -
• A morphological study of carp gills - relationship between water temperature and dissolved oxygen levels -
• Acute toxicity test using carp from plating wastewater (No. 1)
• Investigation of the potential for algae growth in the Tsurumi River by culture test of Nitzschia palea(Kütz)W.Smith
• Investigation of the potential for algae growth in Sakaigawa using a culture test of Nitzschia palea(Kütz)W.Smith
• Analysis and evaluation of water quality fluctuations in the Tsurumi River water system
• About fatty acid concentration distribution in city rivers
• Relationship between oil content and chemical substances in the bottom of the roadside area of Yokohama City
• Particle size distribution and presence of metals in bottom sediment
• Study of highly concentrated activated sludge method using ultrafiltration film (No. 1)