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Report No. 14 of Yokohama City Pollution Research Institute

Pollution Research Institute No.93, March 1990, page 212 of A4 version

Last Updated March 3, 2020

Oh Report


  • Results of mercury survey in the environmental atmosphere in Yokohama City
  • Study of analytical methods using a special material gas dilution system (1) - Simultaneous analysis of alcin and monosilane using PID-gaschromatography
  • Research on the analysis method of trace components in rainwater (Part 2) - Quantitative analysis of aldehyde in rainwater -
  • The mechanism and oxidation process of air pollutants by cloud particles and rain droplets (second report) - chemical composition of cloud water over urban and industrial areas -
  • Mechanism of air pollutants by cloud particles and rain droplets and their oxidation process (3rd report) - morphological features of insoluble particles in cloud water and rainwater
  • Research on Road Traffic Vibration-Survey of Road Traffic Vibration-
  • Urban environmental noise and its simple prediction method
  • Self-cleaning action in urban rivers (No. 2) - Purification effect of weirs -
  • Self-cleaning action in urban rivers (3rd report)-Maioka, Akuwa, and Toriyama rivers
  • Self-cleaning action in urban rivers (No. 4) - Izumi River
  • Water quality change characteristics in coastal and offshore areas of Yokohama
  • Examination of water purification method by combination of aquatic plants and contact aeration method (No. 2)
  • Sediment factors of sedimentation at Yokohama Port
  • Research to investigate the causes of death in fish I-Changes in blood properties when dissolved oxygen in carp is reduced.
  • Comparison of COD, BOD, and TOC analysis of low concentration organic pollutants
  • Basic research on the recycling of wastewater treatment sludge (No. 4) - Solidification experiment of sewage sludge incineration ash-
  • Creation of magnetic tapes in a unified format of water quality measurement results for public water bodies in one prefecture and two prefectures along the Tokyo Bay coast.
  • Suborient nutrition bacteria in rivers in Yokohama-Ooka River
  • Observation of organic pollution status of coastal seawater in Yokohama by continuous measurement of ultraviolet absorption, turbidity, and fluorescence intensity
  • Results of COD survey of wastewater containing surfactants

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Environmental Science Research Institute, Environmental Conservation Department, Green Environment Bureau

Telephone: 045-453-2550

Telephone: 045-453-2550

Fax: 045-453-2560

Email address: mk-kanken@city.yokohama.lg.jp

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