Yokohama Institute of Environmental Science, No. 21

Oh Report

• Survey of suspended particulate matter during the year-end and New Year holidays in Yokohama City
• Surface temperature prediction model in Yokohama city area
• Investigation of the influence of bronze statues due to acid rain, etc.
• Reaching test of copper plate and other materials with acid degradation - Comparison of urban and clean areas -
• Age change of NO3-/SO42-compared moisture and dry descent in Yokohama (1984-1995)
• Comparative study of formaldehyde measurement methods -Examination of measurement methods using PID-GC and formaldehyde standard gas continuous generation method -
• Sound environment for the visually impaired
• Survey on Sound and Environmental Awareness of Local Residents (Part 1 Residential System)
• Removal speed of nitrogen and phosphorus by kishobu and raw water concentration (second report)
• Experiments on adsorption and purification of well water contaminated with organic chlorine compounds
• Survey of the dynamics of riverbed pollutants in urban rivers (No. 5)
• About fecal colitis group in river water in Yokohama city
• Acid rain survey in Yokohama City - Results of 1995 -
• Reaching test of copper plate and blue copper plate due to artificial acid rain
• Survey of hazardous substances in the atmosphere in Yokohama City
• Monitoring of hydrocarbons in the atmosphere using the thermal desortion method
• Survey of serene wastewater treatment at Yokohama City Offices
• Pesticide survey in river water in Yokohama city