Report No. 15 of Yokohama City Pollution Research Institute

Oh Report

• Simultaneous measurement of diffusion-type long-term exposure sampler - NO, NO2, SO2, etc.‐
• Method of measuring fluorochlorofluorochlorofluorochloride compounds by diffusion-type long-term exposure sampler (No. 1)
• Research on the analysis of trace components in rainwater (Part 3) - Quantitative analysis of carboxylic acids in rainwater -
• Classification of acid rain in urban areas due to differences in chemical composition during precipitation over time
• Research on Road Traffic Vibration - Vibration Levels when Vehicles Driving alone -
• Tranularity composition and contamination indicators
• Elution of phosphorus and nitrogen from the bottom of Yokohama Port - Effects of dissolved oxygen concentration and temperature -
• Effects of weather factors in the elongation of the red tide
• Method of estimating the presence or absence of oxygen death by observing the form of gills
• About freshwater fish, benthic animals, algae in Sakaigawa and Hikichi rivers
• Consideration of water purification method by combination of aquatic plants and contact aeration method (3rd report)
• Consideration of water purification method for river water (No. 1)
• Basic research on the recycling of wastewater treatment sludge (No. 5)-Effective use of solidified waste in sewage sludge-
• Pesticide monitoring of rivers in Yokohama city
• Groundwater contamination by volatile organic chlorine compounds (No. 1) - Relationship between pollutants and decomposed products -
• Groundwater contamination by volatile organic chlorine compounds (Second Report) - Decomposition reaction model of tetrachloroethylene
• Study on subsidence of soft ground (5)-Measurement of subsidence by layer in subsidence zone and analysis of it-
• Survey on groundwater in Yokohama (1)-Analysis of groundwater surfaces based on the results of groundwater level survey-
• Survey on Groundwater in Yokohama (2) - Consideration of Groundwater Contamination in Land Subsidence Areas -
• Estimation of the contribution of various sources in suspended particulate matter in Yokohama City
• Quantification of cations in environmental samples by ion chromatography
• About 2% NBKI solution of oxidant automatic measuring instrument
• Manual for use of diffusion-type long-term exposure sampler for simultaneous measurement of NO and NO2
• Survey of organic chlorine compounds in wastewater from Yokohama city offices
• Acute toxicity assessment of o-dichlorobenzene red fins and lobster shrimp
• Classification using nucleic acid composition analysis (guaninoccitocin content) of aquatic bacteria in Yokohama city