Yokohama Institute of Environmental Science Report No. 21

Oh Reports

• Survey of suspended particulate matter during the year-end and New Year holidays in Yokohama
• Surface temperature prediction model in Yokohama city area
• Investigation of the impact of bronze image due to acid rain
• Leaching test of copper plate, etc. by acid depletion - Comparison of urban and clean areas -
• Ageing change of NO3-/SO42- ratio of wet and dry descent in Yokohama City (1984-1995)
• Comparative study of formaldehyde measurement method - Examination of measurement method using PID-GC and formaldehyde standard gas continuous generation method -
• Sound environment for visually impaired people
• Sound environmental awareness survey of local residents (Part 1 Residential System)
• Nitrogen and phosphorus removal by kisshob and concentration of raw water (No. 2)
• Absorbing and purification experiment of well water contaminated with organic chlorine compounds
• Surveillance of riverbed pollutants in urban rivers (Fifth Report)
• About fecal coli group in river water in Yokohama city
• Acid rain survey in Yokohama City -1995 survey results -
• Leaching test of copper plate and blue copper plate due to artificial acid rain
• Investigation of harmful substances in the city of Yokohama
• Monitoring of hydrocarbons in the atmospheric hydrocarbons using the thermal desorption method
• Survey of Selenium Wastewater Treatment at Yokohama City Office
• Agrochemical survey in river waters in Yokohama