Report No. 4 of Yokohama City Public Hazard Research Institute

Oh Report

• Particle size distribution of soot and dust discharged from fixed sources (No. 1) - Particle size analysis of soot and dust from boilers -
• Survey results of suspended particulate matter and heavy metal concentrations in the atmosphere in Yokohama City and analysis based on their main component analysis
• Research on the transport and transformation process of nitrogen oxides emitted from the Keihin Industrial Zone (1)
• Study on standard gas generation methods using steam diffusion
• Thin-layer Chromatograph - Examining polycyclic aromatic hydrocarbon analysis methods contained in suspended dust in the atmosphere using high-speed liquid chromatography -
• Study on the accuracy of oxidant meters - Effects of temperature fluctuations around measured values -
• (1) - Air pollution-
• About low-frequency air vibration generated from large compressor Bloy
• High-level measurement results of road noise propagating from flat roads in urban areas and their prediction methods
• Production of organic chlorine compounds through chlorination
• Application of mass chromatography (GC-MS/MC) to quantitative analysis
• Examination of the effects of sulfuric acid in phosphate analysis - Mathematical analysis of optimal measurement time -
• Study of fixed-floor activated sludge method
• Examination of treatment methods for wastewater containing polyvinyl alcohol (No. 2)
• Effects on aggregation treatment of non-ionic surfactants
• Effects of feeding on breeding water
• About morphological changes in carp gills during oxygen deficiency and excess, and residual chlorine exposure.
• Acute and subacute effects of sodium chloride on carp
• Research and study on the use of groundwater in Yokohama-shi-About the actual use of wells for agriculture (livestock business)
• Pollution control of arterial roads and public awareness-One consideration of roadside environment improvement measures-